Word study science technology

10000+ результатов для ‘science and technologies’

A2, Technologies,definitions

A2, Technologies,definitions
Случайное колесо

от Marina430

6 класс
Средняя школа
English
technologies

A2 Technologies, vocabulary

A2 Technologies, vocabulary
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от Marina430

6 класс
Средняя школа
English
technologies

Technologies

Technologies
Случайные карты

от Shalyginapolina

Technologies

Technologies
Случайные карты

от Margaritaten

Technologies

Technologies
Анаграмма

от Tatjanapouchok

Computers and technologies.

Computers and technologies.
Случайные карты

от Vagapovayw

Technologies and communication questions

Technologies and communication questions
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от Mkurkova1

Flashcards EN-RU Speak about Science and Technology

Flashcards EN-RU Speak about Science and Technology
Флэш-карты

от Sofiedelight

Science and Technology

Technologies

Technologies
Перевернуть плитки

от Meinherzschlagt

Computer technologies and tools

Computer technologies and tools
Групповая сортировка

от Varvaramaksimov

Computers and technologies

Computers and technologies
Сопоставить

от Vagapovayw

Gadgets and technologies

Gadgets and technologies
Найди пару

от Gushinadi

Technologies: Before and now

Technologies: Before and now
Совпадающие пары

от Savinmariy

9-й класс
10-й класс
11 класс

Technologies and nature

Technologies and nature
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от Olefir150295

Technologies

Technologies
Поиск слов

от Yelena

Technologies

Technologies
Викторина

от Lilytheteacher

Technologies

Technologies
Случайные карты

от Stepanova

Technologies

Technologies
Случайное колесо

от Natalefarova

Technologies

Technologies
Угадай буквы

от Orinocoflow2010

english
academy stars 4

Cutting Edge technologies and Communication

Cutting Edge technologies and Communication
Флэш-карты

от Mcartstoys

teens
adults
10-й класс
11 класс
collocations
English
EGE
Gateway
IELTS

Technologies

Technologies
Сопоставить

от Vikusyassvikusy

Computer
Internet
Technologies

Opinions about feelings and technologies

Opinions about feelings and technologies
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от Mini2000

Technologies

Technologies
Случайные карты

от Pervukhinanv

Особое потребность в образовании
English

Technologies

Technologies
Откройте поле

от Teckhy

ОГЭ

Technologies

Technologies
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от Evgenushka47

Английский язык
Elementary
Prepare 2

Technologies

Technologies
Анаграмма

от Dashabazanova

Technologies

Technologies
Кроссворд

от Marina332

TECHNOLOGIES

TECHNOLOGIES
Случайные карты

от Arinapaloran

technologies

technologies
Угадай буквы

от Gach92

Technologies

Technologies
Анаграмма

от Wowspeak1

9-й класс
English

Technologies

Technologies
Кроссворд

от Erinovaer

Technologies

Technologies
Пропущенное слово

от Volshebstvo13

Technologies

Technologies
Найди пару

от Alekhina

Technologies

Technologies
Угадай буквы

от Tanya10

 Technologies

Technologies
Случайное колесо

от Meinherzschlagt

Technologies.

Technologies.
Викторина «Игровое шоу»

от Natalefarova

Technologies

Technologies
Случайное колесо

от Gamburgenok

technologies

technologies
Викторина

от Vystavkinanadez

13-17
Focus2

Technologies

Technologies
Случайные карты

от Fsmvsm

Technologies

Technologies
Викторина

от Mart1st

technologies

technologies
Случайные карты

от Courage

FCE Speaking Part 1 Technologies and Discoveries & Innovations

FCE Speaking Part 1 Technologies and Discoveries & Innovations
Случайные карты

от Udovichenkoas

FCE Cambridge
9-й класс
10-й класс
English

Modern Technologies

Modern Technologies
Сопоставить

от Dom56

6 класс
English
Modern Technologies

ЕГЭ Reading Modern technologies and communication

ЕГЭ Reading Modern technologies and communication
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от Anutatkachenko

Task 2 ОГЭ Hobbies and technologies

Task 2 ОГЭ Hobbies and technologies
Случайные карты

от Zadoyatatyana

PET: communication and technologies (1/4) ana

PET: communication and technologies (1/4) ana
Анаграмма

от Maltaza

PET: communication and technologies (2/4) ana

PET: communication and technologies (2/4) ana
Анаграмма

от Maltaza

 Phrasal verbs (science and technology)

Phrasal verbs (science and technology)
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от Kira23karp

Science and Technology

Science and Technology
Откройте поле

от Nadia57

Science

Science
Флэш-карты

от Zhanna18

Starlight 11Day of Russian Science

Risk and hazard

Risk and hazard
Викторина «Игровое шоу»

от Languages2

Science

Objects and shadows

Objects and shadows
Флэш-карты

от Languages2

Science

technologies gg2

technologies gg2
Сопоставить

от Lyahova93

Go Getter 2

H and R revision.

H and R revision.
Викторина

от Languages2

Science

Light sources and reflectors

Light sources and reflectors
Откройте поле

от Languages2

Science

Inventors

Inventors
Викторина

от Languages2

Science

Sources of light and reflection. Revision

Sources of light and reflection. Revision
Викторина

от Languages2

Science

Animals and their babies

Animals and their babies
Совпадающие пары

от Avkeng7

1-й класс
Science

HW Light and objects

HW Light and objects
Групповая сортировка

от Languages2

Science

Magnetic and non-magnetic objects

Magnetic and non-magnetic objects
Групповая сортировка

от Languages2

Science

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Вы верите в пользу научно-технического прогресса? Наука и современные технологии предлагают спорные достижения. Прочитайте короткие тексты на английском языке про основные достижения науки и техники и сделайте выводы сами.

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Мы начинаем тему «Science and Technology» с исследования космоса. Как известно, Россия занимает ведущее место в космических исследованиях. Советский ученый Константин Циалковский является создателем теории «космического полета», инженер Сергей Королев спроектировал первую космическую ракету «Восток» и первый спутник «Салют». А первым в космос полетел советский космонавт  — Юрий Гагарин. Выучите английские слова по теме «Science and Space Research» и прочитайте текст про исследование космоса (Russia’s achievments in Space Research).

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Sceince and technology is what we cannot imagine our life nowadays. Throughout the history inventors’ ideas have changed the way we live, making it easier and more enjoyable. The twenty-first century is no exception as it is noted for the invention of the television, computers, spacecraft, genetic engineering and many others. Read the texts about famous inventors and their inventions and remember their names. Before reading you should make sure that you know the words — Science. Английские слова. Список №1 

Science and Technology. Тексты по теме для подготовки к экзамену

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Прочитав этот текст на английском языке, вы узнаете много интересных фактов о зарождении понятия «времени», о появлении первых часов, о видах часов и о том, как полезно следить за течением времени, которое проходит мимо нас так незаметно.

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Методическая разработка может использоваться преподавателями на уроках английского языка, а также учащимися
в процессе самостоятельной работы и при подготовке к ЕГЭ.

В данной разработке представлены
различные типы аутентичных текстов, которые помогут вам обогатить ваш словарный запас, познакомиться с интересными факта ми,
а также повысить свой уровень
знаний.

Science and Technology


1. Read about some important scientific discoveries. Match the discovery
and the field of science it
is connected with. There is one extra field
which
you should not choose.

Надпись: Space o Neuroscience	Mathematics	Cosmology	Physics	Human origins Energy	Cloning

1)     In 2003, scientists unveiled the most detailed map of the cosmic microwave background the light emitted by the universe moments after the big bang.
It reveals that only 4% of the universe is ordinary matter. A quarter is dark
matter. The rest is mysterious dark energy
that drives the expansion of the universe.

Field:                                                                      

2)   In 2004, South Korean researchers
claimed to have cloned a human embryo. But the research, led by Woo Suk Huang,
became a scandal when it emerged the results were fabricated.

Field:                                                                      

3)    The
international space station
welcomed its first inhabitants, while missions to the
moon and Mars both detected frozen water. Planet hunters spotted hundreds of
worlds beyond our solar system, including
some that may be habitable.

Field:                                                                      

4)    Work began on the international
thermonuclear experimental reactor in Cadarache, France. The project
aims to generate cheap and plentiful power through nuclear
fusion.

Field:                                                                      

5)   Scientists find evidence that schizophrenia, dyslexia
and Tourette syndrome
are caused by faulty
wiring in the brain. Other
research shed light
on how the brain stores
memories.

Field:                                                                      

6)     The
European Nuclear Research
Organisation near Geneva started up the Large Hadron Collider, the world’s most
powerful particle accelerator. Discoveries at the laboratory will decide the direction of physics for the next two decades.

Field:                                                                      

7)   The
remains of Ardi, a 4.4m year
old female and the oldest putative human ancestor,
left, were unearthed in Ethiopia.
Short for Ardipithecus ramidus, the skeleton
dates back to the dawn of humanity. In 2003, the
remains of a diminutive and hitherto unknown species of human were unearthed on the Indonesian island of Flores.
The discovery of Homo floresien sis, or «hobbit», is regarded as the most important anthropological find in 50 years. Adults
of the species stood
just 1m tall and lived
as recently as 13,000 years
ago.

Field:
                                                                     

From the Guardian
Major
Breakthroughs of the Decade

№ 2. Read an extract from the article ‘Does Modern Technology Affect Teens?’ Six sentences have been removed from the article.
Choose from the sentences
A–G the one which fits each gap
(1–5). There is one extra sentence which you do not
need to use. There is an example
at the beginning (0).

A teen wants to help change the world and
make it a better place to live.                                      To
him, the best way to contribute to these changes is through modern technology.

Before the advent of
the computer, the teens spent much time and effort in using their manual typewriters and had headaches in using
erasing liquids, retyping their works, crumpling their papers and throwing them
to the baskets. The computer changes this.

It shortens their time, saves a lot of money for
supplies and helps create presentations that wowed their teachers.

If the computer affects
the teens, the Internet catapulted the teens in greater heights. The Internet
revolutionized the way teens look at the world and the future.                                          Most
of all, it gives them the opportunity to interact with other teens and discuss
relevant issues making them mature and real decision
makers. The Internet allows them to post comments and sug gestions to various
organizations, government agencies and other concerned personalities. If before the teens had a hard time to criticize government leaders for their shortcomings, mod ern technology had encouraged them to
speak up and be counted. The teen wants to be heard, and they got it!

Another technological breakthrough is the cell phone. Almost every teen owns a cell phone, some the lesser types, others
the most advanced ones.                                           Some TV
networks had programs allotted
for public announcements and interactions, and these teens express
their criticisms, observations and requests for positive actions from the
government. Problems are now attended to, thanks to the teens and their cell phones.

Try imagining of a day
that a teen has to be late because he must go to the library but has no way of
informing his parents except to scamper to the nearest public phone which might
be congested of callers. Or he has to find his way over dusty bookshelves to
look for the needed book. What about those teens who are really shy to stand up during forums,
and instead will opt to keep silent with a big idea buzzing
in his head. What a pity!

These teens really want a change, and modern
technology is the answer.                             They must not allow
these high tech tools to enslave them,
but rather, utilize
modern technology to its fullest for the good of mankind.

by Clint Jhonson
Source:
www.uberarticles.com

№ 3. Read an extract from the article ‘How Technology Is Changing Our Lives’.
For questions 1–10, choose from the people A–H. Some of the people may be cho sen more than once.
There
is an example at the beginning (0).

Which person says that technology helps him/her:

0.  

make purchases online

1.  
work from home

2.  
enjoy better
medical service

3.  
lose weight and stay in shape

4.  
feel connected all the time with his/her family
and friends

5.  
live a full life in spite of his/her
illness

6.  
meet new people online

7.  
learn about everything that is going on worldwide

8.  
make his/her hobby more interesting

9.  
watch live video

10.  
make a career

A.

«Internet technology has totally changed
my life. I review my online bank statements,
make transactions and pay bills, all through
online portals. I go shopping
for electronics, books and DVDs  all through the Internet. I pay online,
and then I track my shipment online. I log on to the web portal of my
telephone company to review my phone bills, pay them and change or request new
services with a click of the mouse. I practice digital photography and compose music as a hobby and those fields are full of different
technologies to help me direct the images and music.»

B.

«I totally embrace new technology. Because of
broadband Internet, I am able to work from my
bosses’ home or my home and was able to quit a job that I hated
and that kept me stressed out to the max. Because of cell phones,
we are able to forward
the business phones
when we are out or on the
road. Laptop computers also help making the job mobile when necessary. My life
has been improved in many ways since I got on line. I have made many friends
across the south from chatting.
I never would have met any of these people if not for the Internet.»

C.

«I am autistic
but I have struggled to communicate with those around me. I married a young woman, we had kids, and she was
already internet comfortable. I discovered the whole universe of the Internet.
Now I can write, send, and receive,
to and from virtually anyone.

Without this thread of technology I would have remained isolated
and utterly un influential. And, if communication
technology has helped me to this degree, imagine what it has done for those who
are not autistic.»

D.

«I would like to share some interesting things
happening in India. Five years ago, tele phones
in the home were only for the rich. These days getting a phone service is like
getting a pizza. It is that easy. Medical technology in India has developed to
a great level today. Twenty years ago there was no proper drugs for diabetics.
My grandfather died because of it. But today, diabetes is controllable. Lots of
facilities are open. When new technology arrives, there will be positive and negative results.
But positive results
are greater in my opinion.»

E.

«I am a veteran of the U.S. Army. I spent most of my adult life searching for a career in
jobs that had very little
potential for career
opportunities for me. I became
extremely passion ate about
Web development, and it has shaped the rest of my life. I have several of my
own Web sites, as well as sites that I have built, managed and maintained for my employers. Technology in general, and the Internet,
in particular, have inexorably changed
my life and put me on a career path that I would never have
discovered if not for the technological boom of personal computers, the
proliferation of the Internet, my desire to find a better life for myself, and
my dissatisfaction with my current career path.»

F.

«For the past seven years I have worked as an
exploration geologist in Mongolia for a Canadian company. Communication was
always an issue with expatriates working overseas. Satellite telephones have
helped me to keep in touch with my family but the per minute cost prohibited long or chatty calls. Now, I can talk to anyone in the world who has either a phone
or an Internet connection with «voice over IP (VOIP)» Internet telephoning. Now I can call
my mom in Canada from my western
Mongolia ger (round wool tent) field office any time of
the day or night for just eight cents a minute. I can see her face on my laptop as I left her a Web cam
on my last visit home. I can watch live Web
cam video of my eight month old daughter in Mongolia. I can hear her talk into the microphone and see it all in «real time» with a Skype «Voice over IP» Internet telephone system.»

G.

«Technology has changed my family’s and my life.
We have seen many advances in tech nology here in Ethiopia  we are happy at home watching satellite
news, films and documen taries, which
keeps us well informed. Mobile
phones have also contributed to changes in our
life, making them easier. My children have their own phones, as do my wife and
I, as well as a fixed landline at home and in our offices. It is wonderful.»

H.

«I have always been a fan of technology, the most
recent item I purchased that has had a major impact on my life  and my health  is the Apple iPod. I have always known that the only way to lose weight
and maintain it is to eat right
and exercise. I changed my diet but the exer cise was slow to follow. Then my
iPod arrived. All excuses for not to strap on my sneakers and go for a run literally jumped out the
window. I always need music to motivate me, but just the process of selecting a
CD sometimes took so long I had only a few minutes to get ready for work. Or I would listen to the same CD
over and over again until I was not longer motivated during the run. But now
with a full selection of up to 5,000 songs and the ability to download new music, I never get bored and increased my distance from a one mile to three miles a day in just a couple months.
As a result, I lost nearly 30lb and feel great.»

№ 4. A. Read the article below
quickly to say if the following statements
are true or false.

1)  
Technophobia is a new term. T/F

2)  
Today we are living
in the Age of Technology.
T/F

3)  
Most phobias are expressed by a strong
physical reaction.
T/F

4)   Some
people worry that they will lose their friends because
they cannot keep up with the times.
T/F

5)  
Experts in the field of technology are becoming older and older.
T/F

6)  
In most cases lack of self confidence is the cause of technophobia. T/F

7)  
Knowledge and learning is the way to rectify
the situation.
T/F

Technophobia

by Katherine Bilsborough

Technophobia What?

Technophobe:
Someone who does not like, trust, or want to use technology, especially
computers. (Macmillan English Dictionary)

Technophobia is not a new term and technophobes
have existed since the Industrial Revolution and probably for a lot longer
in some shape
or form. Today
we are living in the Age of Technology. Things that were once deemed
Science Fiction are becoming a reality. We either accept these changes and move with the
times or we resist and become technophobes.

Technophobia Why?

The reality is much simpler
than saying that technophobes fear technological advance. Technophobes are anxious because
the environment in which they live and work is changing. Most phobias are expressed by a strong
physical reaction. People
who are claustrophobic suffer palpitations
and anxiety attacks when they are enclosed in a small area. An agoraphobic
suffers in a similar way if they are exposed to the great outdoors. Technophobes, on the other hand, experience milder symp toms. They
suffer feelings of self doubt and anxiety. They often feel insecure and
obsolete. Some worry that they will lose their job because they cannot keep up
with the times. In more extreme cases, technophobes convince themselves that
technology will take over the world or that humans will be con trolled by computers and robots. At other times they are afraid that if they press the wrong button on
their keyboard, the computer will explode.

Technophobia Who?

In most cases technophobes belong to older generations who were not
brought up playing with computer games and mobile phones.
They have never sent a text message
or heard of an i pod. Not only do they not possess a DVD, they
still have not worked out how to use their VHS. These examples seem to validate
the old saying: «You can’t teach an old dog new tricks». It is
understandable that technophobia exists. Experts
in the field of technology are becoming younger
and younger. Being taught by somebody who is young
enough to be your grandson goes against the laws of nature. Traditionally
information and knowledge has been passed down from older generations to
younger generations. Young people were taught to respect their elders in part
because of the knowledge they possess. If this system is turned upside
down, then what happens to the respect
for our elders?

Technophobia The answer.

If ignorance is, in most cases, the cause of technophobia, then it follows
that knowledge and learning is the way to rectify the
situation. What technophobes need is information. Simple computer classes often
prove highly successful, especially where the student groups are made up of
peer groups; like minded people of a
similar age who are willing to learn but who have no desire to be patronised by
fellow students who are twenty
years younger and possibly quicker
on the up take. It is equally
impor tant that groups of technophobes who have decided «to give it
a go» have an appropriate teacher; some body as similar as possible as
themselves in age. Somebody who will send out a message that says «If I can do it, then so can you».

Source: www.britishcouncil.org

B. Look through the article again. Answer the
questions briefly and fill in the
table. Use a number, a word or a word combination. There is an example at the beginning (0).

0)  
Since when have technophobes existed?

1)  
What do technophobes fear?

2)  
What kind of
people suffer palpitations and anxiety attacks when they are enclosed in a small area?

3)   What kind of people feel anxious if they are exposed to the great outdoors?

4)  
What will control humans
according to technophobes?

5)  
What gadget have older generations never heard of?

6)  
What do technophobes need?

7)  
What proves to be highly successful with technophobes?

0

The Industrial Revolution

4

1

5

2

6

3

7

№ 5. Read the text below. Complete the sentences. Choose from the sentences
A–I the one which fits each gap (1–7). There is one extra sentence which you do not
need to use. There is an example
at the beginning (0).

The human
species’ use of technology began with the conversion of natural resources
into simple tools. The prehistorical discovery of the
ability to control fire increased the available sources of food and the
invention of the wheel helped humans (0)                                                                              . Recent
technological developments, including
the printing press, the telephone, and the Internet,
have

lessened physical barriers to communication and (1)                                               . However,
not all technology has been used for peaceful purposes;
the development of weapons of ever increas ing destructive power has
progressed throughout history, (2)                                                      .

Technology has affected society and its surroundings
in a number of ways. In many soci eties, technology has helped develop more
advanced economies (including today’s global economy). Many technological
processes produce unwanted by products,
known as pollution, and deplete
natural resources, (3)                                                                               .

Technology refers to tools and machines (4)                                               . It
is a far reaching term that may include simple tools, (5)
                                                   ,
or more complex machines,

(6)   
                                         . The word «technology» can
also be used to refer to a collection of techniques.

Technology can be viewed as an activity that forms or
changes culture. Additionally, tech nology is the application of math, science,
and the arts for the benefit of life as it is known.
A modern example is the rise of communication technology, (7)                                                                  .

Source:www.en.wikipedia.org

A.  
that may be used to solve real world problems.

B.   
allowed humans to interact
freely on a global scale.

C.   
in travelling and controlling their environment.

D.   
that is debated by scientists, historians and politicians

E.   
to the detriment of the Earth and its environment.

F.  
which has lessened barriers
to human interaction.

G.   
such as a space
station or particle
accelerator.

H.   
from clubs to nuclear
weapons.

I.     
such as a crowbar or wooden spoon

0

1

2

3

4

5

6

7

C

№ 6. Read the short story below. For questions 1–7,
choose the answer (A, B,
C, D) which fits best according to the text.

Light Verse

The very last person
anyone would expect to be a murderer was Mrs.
Avis Lardner. Widow of the great astronaut martyr, she was a philanthropist, an art collector, an extraordinary hostess,
and, every one agreed, an
artistic genius. But above all, she was the gentlest and kindest human being one could imagine.

Mrs. Lardner had received a generous pension, and she
had then invested wisely and well. By late middle age she was very wealthy.

Her house was a showplace, a veritable museum,
containing a small but
extremely select collection of extraordinarily beautiful jew eled objects. She had one of the first
jeweled wristwatches manufac tured in
America, a jeweled dagger from Cambodia, a jeweled pair of spectacles from
Italy, and so on almost endlessly.

All was open for inspection. The artifacts were not
insured, and there were no ordinary security
provisions. There was no need for anything
conventional, for Mrs. Lardner main tained a large staff of robot
servants, all of whom could be relied on to guard every item with imperturbable concentration, irreproachable honesty, and irrevocable efficiency.

Everyone knew the existence of those robots and there
is no record of any attempt at theft, ever.

And then, of course, there was her light sculpture.
How Mrs. Lardner discovered her own genius at the art, no guest at her many
lavish entertainments could guess. On each occasion, however, when her house
was thrown open to guests,
a new symphony of light
shone through out the rooms.

It was for the light
sculpture more than anything else that the guests came.
It was never the same twice, and never failed to explore new
experimental avenues of art. Many people who could  afford  light consoles 
prepared  light sculptures  for  amusement,  but 
no  one  could

approach Mrs. Lardner’s expertise. Not even those who considered
themselves professional artists.

She herself was charmingly modest about it. «No,
no,» she would protest when someone waxed
lyrical. «I wouldn’t
call it ‘poetry in light.’
That’s far too kind. At most, I would say it
was mere ‘light verse.'» And everyone smiled at her gentle wit.

Though she was often asked,
she would never
create light sculpture for any occasion
but her own parties.
«That would be commercialization,» she said.

She had no objection, however,
to the preparation of elaborate
holograms of her sculp
tures so that they might be made permanent and reproduced in museums of art an over the world. Nor was there
ever a charge for any use that might be made of her light
sculptures.

«I couldn’t ask a penny,» she said,
spreading her arms wide. «It’s free to all. After all, I have no further
use for it myself.» It was true. She never used the same light sculpture twice.

When the holograms were taken, she was cooperation
itself. Watching benignly at every step,
she was always ready to order her robot servants to help. «Please,
Courtney,» she would say,
«would you be so kind as to adjust the step ladder?»

It was her fashion. She always addressed
her robots with the most formal courtesy.

Once, years before, she had been almost scolded by a
government functionary from the Bureau of Robots and Mechanical Men. «You can’t do that,» he said severely.
«It interferes with their efficiency. They are constructed to follow orders,
and the more clearly you give
those orders, the more efficiently they follow them.
When you ask with elaborate politeness, it is difficult
for them to understand that an order is being given. They react more slowly.»

Mrs. Lardner lifted her aristocratic head. «I do not ask for speed and efficiency,» she said. «I ask
goodwill. My robots love me.»

The government functionary might have explained
that robots cannot love, but he with ered
under her hurt but gentle glance.

It was notorious that Mrs. Lardner never even returned a robot to the factory for adjustment.

Mrs. Lardner shook her head. «Once a robot is in
my house,» she said, «and has performed his duties, any minor eccentricities must be borne with. I will not have him manhandled.»

It was the worse thing possible to try to explain
that a robot was but a machine. She would say very stiffly, «Nothing that
is as intelligent as a robot can ever be but a machine. I treat them as people.»

She kept even Max, although
he was almost helpless.

«But why not have him adjusted?» asked a friend,
once.

«Oh, I couldn’t. He’s himself. He’s very lovable,
you know.»

«But if he’s maladjusted,» said the friend, looking at Max
nervously, «might he not be dan gerous?»

«Never,» laughed Mrs. Lardner. «I’ve had him for years. He’s completely harmless
and quite a dear.»

Actually he looked like all the other robots, smooth,
metallic, vaguely human but expres sionless.

To the gentle Mrs. Lardner, however, they were all individual, all sweet,
all lovable. It was the kind of woman she was.

How could she commit
murder?

The very last person
anyone would expect
to be murdered would be John Semper
Travis.

He was chief engineer
of U.S. Robots
and Mechanical Men, Inc.

But he was also an enthusiastic amateur in light
sculpture. He had written a book on the subject, trying to show that the type of mathematics he used in working out positronic brain paths might be modified
into a guide to the production of aesthetic light sculpture.

His attempt at putting theory
into practice was a dismal
failure, however. The sculptures
he himself produced, following his mathematical principles, were stodgy,
mechanical, and uninteresting.

It was the only reason for unhappiness in his quiet,
introverted, and secure life, and yet it was
reason enough for him to be very unhappy indeed. He knew his theories were
right, yet he could not make them work. If he could but produce one great piece of light sculpture.

Naturally, he knew of Mrs. Lardner’s light sculpture. She was universally hailed as a genius, yet Travis knew she could not
understand even the simplest aspect of robotic mathe matics. He had corresponded with her but she consistently refused to explain
her methods, and he wondered if she had any at all. Might it not be mere intuition? But even intuition
might be reduced to mathematics. Finally
he managed to receive an invitation to one of her parties. He simply had to see her.

Mr. Travis arrived rather late. He greeted Mrs.
Lardner with a kind of puzzled respect and said, «That was a peculiar robot
who took my hat and coat.»

«That is Max,»
said Mrs. Lardner.

«He is quite maladjusted, and he’s a fairly old
model. How is it you did not return it to the factory?»

«Oh, no,» said Mrs. Lardner.
«It would be too much trouble.»

«None at all, Mrs. Lardner,» said Travis.
«You would be surprised how simple a task it was. Since I am with U. S.
Robots, I took the liberty of adjusting him myself. It took no time and you’ll find he is now in perfect working
order.»

A queer change came over Mrs. Lardner’s
face. Fury found a place on it for the first time in her gentle life.

«You adjusted him?» she shrieked. «But it was he who created
my light sculptures. It was
the maladjustment, the maladjustment, which you can never restore,
that  that  «

It was really unfortunate that she had been showing
her collection at the time and that the jeweled dagger from Cambodia
was on the marble tabletop
before her.

Travis’s face was also distorted. «You mean if I
had studied his uniquely maladjusted positronic brain paths I might have learned «

She lunged with the knife too quickly
for anyone to stop her and he did not try to dodge.

Some said he came to meet it  as though he wanted to die.

After Isaac Asimov From ‘Buy Jupiter and Other Stories’

1.   Mrs. Lardner was wealthy because

A.  
she had sold some beautiful jeweled
objects

B.   
she had invested her pension wisely

C.   
she created light sculpture
for rich people

D.   
she had come into a fortune

2.   Mrs. Lardner’s
artifacts were not insured because
                   

A.  
she was not afraid
of thieves

B.   
they were fakes

C.   
robot servants
guarded them

D.   
the house had a good burglar
alarm

3.   The main reason why the guests
came to Mrs. Lardner’s house
was                    

A.  
to look at the collection of jeweled objects

B.   
to see robot servants

C.   
to admire
the light sculpture

D.   
to enjoy her hearty
welcome

4.   Mrs. Lardner
treated her robots                   

A.  
as if they were people

B.   
like servants

C.   
like slaves

D.   
as if they were her children

5.   Mrs. Lardner kept Max in spite of the fact that he was                   

A.  
dangerous

B.   
slow

C.   
expressionless

D.   
maladjusted

6.   John Semper
Travis was unhappy
because                    

A.  
he could not produce
beautiful light sculpture

B.   
he did not understand the simplest aspects
of robotic mathematics

C.   
Mrs. Lardner had not invited him to her party

D.   
many of the robots
that he had produced reacted
slowly

7.   Mrs. Lardner
killed Travis because
                   

A.  
he wanted to steal the jeweled dagger from Cambodia

B.   
he had adjusted Max

C.   
he had created light
sculpture which was better than hers

D.   
he wanted
to die

A. Replace the words and expressions in bold in sentences 1 — 18 with a word or expression

from the box.

analysed • genetic engineering • breakthrough • molecular biology

a technophobe • safeguards • development • cybernetics • invented

nuclear engineering • combined •

life expectancy

discovered

a technophile • innovations • react

• an experiment

research

1.The company is carrying out scientific study to find a cure for Aids.

2.The planning and production of the new computer system will take some time.

3.Modern home entertainment systems and other modern inventions are changing everyone’s lives.

4.Some elements change their chemical composition when mixed with water.

5.The scientists have created a new machine to automate the process.

6.Who was the person who found penicillin?

7.When the food was examined closely and scientifically, it was found to contain bacteria.

8.Rain joined together with CO2 gases produces acid rain.

9.Ron is terrified of modern technology.

10.Geoff is very interested in modern technology.

11.Protection against accidents in this laboratory are minimal.

12.Scientists conducted a scientific test to see how people react to different smells.

13.Brian is studying the techniques used to change the genetic composition of a cell so as to change certain characteristics which can be inherited.

14.Sarah is studying the things which form the structure of living matter.

15.Christine is studying how information is communicated in machines and electronic devices in comparison with how it is communicated in the brain and nervous system.

16.Neil is studying the different ways of extracting and controlling energy from atomic particles.

17.There has been a sudden success in the search for a cure for cancer.

18.The number of years a person is likely to live has increased a great deal thanks to modern medicine and technology.

vocabulary specific-topic

75

For reference, see the Easier English Dictionary for Students (978 0 7475 6624 3)

topic-specific vocabulary

Science & technology

B. Read this description of a computer. Unfortunately, the person who is describing it is not very familiar with computer terminology and cannot remember all the words. Help them by using the appropriate word or expression in the box to give a more scientific definition of their words in bold.

log on • keyboard •

load / install

virus

e-mail

download

hardware

crashed •

software •

Internet

scanner

• mouse

base unit

/

disk drive

website

printer

monitor

OK, here’s my new computer. As you can see, there are five main parts. Now, the large box with the slots and sliding disk carrier (1) ________________ is the most important part. It carries all the stuff that makes the computer work (2)_______________. You can also put in (3)_______________ your own games and other things (4)_______________. Next to it there is the thing that looks like a small television (5)_______________ so that you can see what the computer is doing. To the right of that, there is the machine that lets you make black and white or colour copies of the documents that you create on the computer (6)_______________. You can control the computer by using the rectangular flat thing with all the letters and numbers on (7)_______________ or the funny little object with the long lead which you can move across your desk (8)_______________. The large flat thing to the left of the computer is the machine you can use to make copies of your photographs onto the computer, a bit like a photocopier (9)_______________.

It’s a very useful machine, of course. Once you get it up and running (10)__________ you can do lots of things on it. You can create documents, play games or get information from the fantastic thing that links computers from around the world (11)_______________. A lot of companies and organizations have their own special computer page (12)_______________ which you can look at, and you can transfer (13)_______________ the information to your own computer files. Or, if you like, you can send messages to other people by using a special electronic letter-sending facility

(14)_______________.

Unfortunately, I can’t let you use it as it stopped working (15)_______________ last night. It’s probably got a technical fault, usually created on purpose, that affects computer files and folders

(16)_______________.

Don’t forget to keep a record of the words and expressions that you have learnt, review your notes from time to time and try to use new vocabulary items whenever possible.

76

For reference, see the Easier English Dictionary for Students (978 0 7475 6624 3)

Science & technology

C. Now look at this essay and fill in the gaps with one of the words or expressions from Tasks A and B. In some cases, more than one answer may be possible. You may need to change some of the word forms.

Technology has come a long way in the last fifty years, and our lives have become better as a result. Or have they?

The second half of the twentieth century saw more changes than in the previous two hundred years. Penicillin has already been 1__________________________ and used to treat infections; there have been many remarkable advances in medicine that have helped to increase our average 2__________________________ way beyond that of our ancestors. Incredible 3__________________________

such as television have changed the way we spend our leisure hours. Perhaps the most important 4__________________________ , however, has been the microchip. Nobody could have imagined, when it was first 5__________________________ , that within a matter of years, this tiny piece of silicon and circuitry would be found in almost every household object from the kettle to the video recorder. And nobody could have predicted the sudden proliferation of computers that would completely change our lives, allowing us to access information from the other side of the world via the 6__________________________

or send messages around the world by 7__________________________ at the touch of a button. Meanwhile, 8__________________________ into other aspects of information technology is making it easier and cheaper for us to talk to friends and relations around the world. Good news for 9__________________________ who love modern technology, bad news for the 10__________________________ who would prefer to hide from these modern miracles.

But everything has a price. The development of 11__________________________ led to mass automation in factories, which in turn led to millions losing their jobs. The genius of Einstein led to the horrors of the atomic bomb and the dangerous uncertainties of 12__________________________ (we hear of accidents and mishaps at nuclear power stations around the world, where 13__________________________ to prevent accidents were inadequate). The relatively new science of 14__________________________ has been seen as a major step forward, but putting modified foods onto the market before scientists had properly 15__________________________ them was perhaps one of the most irresponsible decisions of the 1990s. Meanwhile, pharmaceutical companies continue to 16__________________________ on animals, a move that many consider to be cruel and unnecessary.

Of course we all rely on modern science and technology to improve our lives. However, we need to make sure that we can control it before it controls us.

vocabulary specific-topic

Don’t forget to keep a record of the words and expressions that you have learnt, review your notes from time to time and try to use new vocabulary items whenever possible.

77

For reference, see the Easier English Dictionary for Students (978 0 7475 6624 3)

topic-specific vocabulary

78

Food & diet

A. Find words in the box below which have the same meaning as the dictionary definitions 1- 11. A sample sentence with the word removed has been given to you.

1. Units of measurement of energy in food.

(Example: She’s counting ____________________ to try and lose weight)

2.A compound which is an essential part of living cells, one of the elements in food which you need to keep the human body working properly.

(Example: Eggs are a rich source of ____________________ )

3. A chemical substance containing carbon, hydrogen and oxygen.

(Example: Bread, potatoes and rice are good sources of ____________________ )

4.A white substance from plants or animals which can be used for cooking.

(Example: Fry the meat and drain off the ____________________ )

5.Matter in food which cannot be digested and passes out of the body.

(Example: A diet that doesn’t contain enough ___________________ can cause intestinal problems)

6.A fatty substance found in fats and oils, also produced by the liver and forming an essential part of all cells.

(Example: If you eat too much ____________________ , it can be deposited on the walls of arteries, causing them to become blocked)

7.Essential substance which is not synthesised by the body but is found in food and is needed for health and growth.

(Example: He doesn’t eat enough fruit and suffers from ____________________ C deficiency)

8.Substance which is found in food, but which can also be dug out of the earth.

(Example: What is the ____________________ content of spinach?)

9.Too heavy, often as a result of eating too much.

(Example: The doctor says I’m ____________________ and must go on a diet)

10.The result of not having enough to eat, or the result of eating too much of the wrong sort of food.

(Example: Many of the children in the refugee camp were ____________________ )

11.Receiving food.

(Example: We are developing a scheme to improve ____________________ in the poorer areas)

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T

For reference, see the Easier English Dictionary for Students (978 0 7475 6624 3)

Food & diet

B. Match sentences 1-10 with a second sentence A-J. Use the key words in bold to help you.

1.A lot of people are allergic to nuts.

2.Many people do not trust genetically modified foods.

3.Organic vegetables are more expensive but are better for you.

4.We refuse to eat battery chickens.

5.We prefer to eat free range meats.

6.The harvest has been very bad this year.

7.Following the floods in Mozambique, there was a terrible scarcity of food.

8.There has been an outbreak of salmonella, listeria and other food poisoning in Perth.

9.Too many people don’t eat a balanced diet.

10.Fast food is very popular.

A.This is because they are cultivated naturally, without using any chemical fertilisers or pesticides.

B.There wasn’t enough to feed everyone affected by the disaster.

C.They are not sure that altering the composition of cells to change certain characteristics is safe.

D.It’s good to know that the animals were given enough space to express their natural behaviour.

E.Terrible weather conditions have prevented the crops from ripening and reduced the yield.

F.A lot of people are in hospital as a result.

G.Unfortunately, a diet of burgers, pizzas and fried chicken is not very healthy.

H.They physically react very badly.

I.This is because they spend their life confined in a small cage.

J.They don’t consume sufficient quantities of the different food groups.

C. Now complete this article with one of the words or expressions from Tasks A and B. In some cases, more than one answer may be possible. You may need to change some of the word forms.

Most children enjoy eating 1____________________ , but scientific tests have shown us that burgers and pizzas can lack essential 2____________________ and 3____________________ which are essential for health and growth, while simultaneously containing large amounts of 4____________________ and 5____________________ which can result in obesity and heart problems. Many children end up suffering from 6____________________ , since they eat too much of the wrong sort of food. In fact, in many areas of the developed world, a lot of children show similar symptoms to those in poorer developing countries, where 7____________________ of food causes thousands of deaths from starvation, especially in the wake of natural disasters which ruin crops and in some cases totally destroy the annual 8___________________ .

Dieticians tell us that we must eat a 9____________________ , as it is essential we consume sufficient quantities of the different food groups. They tell us that we should all eat more 10___________________, which cannot be digested by the body, and fewer foods which are high in 11____________________ , as this can block the walls of arteries and lead to heart problems. This is good advice, of course, but our lifestyles often make this difficult. Many of the ready-prepared foods we buy from supermarkets are high in 12____________________ , giving us more energy than we actually need. 13____________________ foods are appearing on our supermarket shelves, even though nobody is really sure if altering the composition of food cells is safe. We have the option, of course, of buying 14____________________ foods, but naturallycultivated fruits and vegetables are expensive. And to make matters worse, we are continually hearing about outbreaks of 15____________________ and 16____________________ which put us off eating certain foods, as nobody wants to spend time in hospital suffering from 17____________________ .

A few things to watch out for next time you go shopping. If you have the time and the money, that is!

vocabulary specific-topic

79

For reference, see the Easier English Dictionary for Students (978 0 7475 6624 3)

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SADDLEBACK

S T W V I C

ELLIOTT QUINLEY 1

◆ Science in the News ◆ The Natural World

◆ Computers and the Net ◆ Observations and Experiments

VOCABULARY

SCIENCE AND

TECHNOLOGY

WORDS

VOC

ABUL

ARY

in context

VOCABULARY

in context

▼ Introduction ………………… 4

UNIT 1 Preview ……………………….. 5

LESSON

1 Unit 1 Glossary ………………….. 6

2 How Does Sunlight

Produce Vitamin D?…………. 9

3 Waves, Surf, Seas,

and Swells : What’s the
Difference?……………………… 12

4 Some Surprising Facts

About Bones …………………… 15

5 Science in the News: A Very

Long-Term Experiment….. 18

6 Have You Ever Seen a

Sun Dog?………………………… 21

7 Science in the News: The

Dangers of Mercury……….. 24
Unit 1 Review …………………… 27

UNIT 2 Preview ……………………… 30

LESSON

1 Unit 2 Glossary ………………… 31

2 What’s a Hertz? ………………. 34

3 What Causes

Precipitation?…………………. 37

4 Try It Yourself: Make a

Standing Wave……………….. 40

5 Carbon: A Common

Element………………………….. 43

6 In Pursuit of Knowledge:

The Scientific Method ……. 46

7 Science in the News: Rewriting

the Record Books……………. 49
Unit 2 Review …………………… 52

CONTENTS

UNIT 3 Preview ……………………… 55

LESSON

1 Unit 3 Glossary ………………… 56

2 Today’s Weather Forecast:

A National Overview……… 59

3 Try It Yourself: Making

Mold ……………………………….. 62

4 Two Kinds of Research:

Basic and Applied…………… 65

5 How Does a Radio Work? .. 68

6 The Amazing Rhino………… 71

7 Science in the News:

Avoiding Potholes on the
Information Highway …….. 74
Unit 3 Review …………………… 77

UNIT 4 Preview ……………………… 80

LESSON

1 Unit 4 Glossary ………………… 81

2 Rabbits and Hares: What’s

the Difference?……………….. 84

3 Animal Intelligence ……….. 87

4 Why Are Deserts Dry?……. 90

5 Q&A Sites on the

Internet………………………….. 93

6 Science in the News:

Monitoring Vesuvius……….. 96

7 Noise Pollution: How Loud

Is Too Loud? …………………… 99
Unit 4 Review …………………. 102

▼ End-of-Book Test ……… 105

▼ Word List …………………. 109

Welcome to VOCABULARY IN CONTEXT!

A well-developed vocabulary pays off in many important
ways. Better-than-average “word power” makes it easier to
understand everything you read and hear—from textbook
assignments to TV news reports or instructions on how to repair
a bicycle. And word power obviously increases your effectiveness
as a communicator. Think about it: As far as other people are
concerned, your ideas are only as convincing as the words you
use to express them.
In other words, the vocabulary you use when
you speak or write always significantly adds to or detracts from
what you have to say.

VOCABULARY IN CONTEXT was written especially for you.
The program was designed to enrich your personal “word bank”
with many hundreds of high-frequency and challenging words.
There are six thematic books in the series— Everyday Living ,
Workplace and Careers , Science and Technology , Media
and Marketplace
, History and Geography , and Music, Art,
and Literature
. Each worktext presents topic-related readings
with key terms in context. Follow-up exercises provide a wide
variety of practice activities to help you unlock the meanings of
unfamiliar words. These strategies include the study of
synonyms and antonyms; grammatical word forms; word
roots, prefixes, and suffixes; connotations; and the efficient
use of a dictionary and thesaurus. Thinking skills, such as
drawing conclusions and completing analogies, are included
as reinforcement.

A word of advice: Don’t stop “thinking about words” when
you finish this program. A first-class vocabulary must be
constantly renewed! In order to earn a reputation as a first-
rate communicator, you must incorporate the new words you
learn into your everyday speech and writing.

INTRODUCTION
GLOSSARY
A glossary is an alphabetical list of unusual or specialized words from a certain
field of knowledge. Following are some important scientific and technical words
that all educated people should know.

atmosphere the air (made of
gases, fine dust, and water vapor)
that surrounds the Earth
atoms tiny parts into which all things
on Earth can be broken down
bacteria simple, one-celled organisms
that are visible only through a
microscope
bit the smallest unit of information
used by a computer; represented by
a 0 or a 1
byte a string of eight bits standing
for a single character
carbohydrates sugars and starches
in food that give people energy
chemistry the scientific study of
what substances are made of
and how they can change when
combined with other substances

climate a region’s average weather
over many years
crust the outer layer of the Earth
diskettes disks made of magnetic
material and used to store data
entered into a computer
ecology the study of how all living
things depend on one another
erosion the wearing away of soil by
wind and water
evolution changes in a species over
time
food chain a group of organisms,
each of which is dependent on
another for food
fossils the remains of organisms that
lived long ago
organisms living things

WORDS IN CONTEXT
Complete each sentence with a word from the glossary. Use the other words in the
sentence to help you decide which word to add. Check the dictionary definition if
you’re still not sure.
1. The devastating Dust Bowl of the 1930s was caused by the
widespread ____________________ of America’s farmland.

Lesson 1 SCIENCE AND TECHNOLOGY WORDS

UNIT 1

2. Life science is the study of all the ____________________ on Earth.
3. Fruits, vegetables, and grains are all good sources of
____________________.
4. Some ____________________ are useful for making foods such as
cheese; other kinds can cause sickness and death.
5. There are two hydrogen ____________________ and one oxygen
____________________ in a water molecule.
6. Each ____________________ of information in a computer program
stands for a letter, number, or symbol.
SCRAMBLED WORDS
First unscramble the words from the glossary.
Then solve the crossword puzzle with words
that complete the sentences.
ALCTIME ____________________
ODFO ACHIN ____________________
COYLOGE ____________________
MYSTERCHI ____________________
STRUC ____________________
HERPOSTMAE ____________________

ACROSS

5. _____ is the study of what
matter is made of and how
it can change.
6. The continents and the
ocean floor are part of the
Earth’s _____.

DOWN

1. The _____ extends more
than 1,400 miles above
the Earth’s surface.
2. Each of the organisms in a
_____ (two words) eats one of
the other organisms.
3. The study of the relationship
between different populations in a
habitat is called _____.
4. A desert _____ is mostly hot and dry.

AF
E
C

CT

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1

6

5

4

3

2

SCIENCE AND TECHNOLOGY WORDS Lesson 2

How Does Sunlight Produce Vitamin D?

WORD SEARCH
1. What eight-letter word in the reading means
“the smallest particle of a substance that can
exist alone without losing its chemical form”? _____________________
2. What three organs of the human body are named in the reading?
___________________ ____________________ ____________________
3. What nine-letter word in the reading means
“food” or “nourishment”? ____________________
4. What two-syllable word in the reading means
“to attract and take in another substance”? ____________________

Vitamin D is a chemical that allows
your body to make use of an
important nutrient called calcium. Our
bodies make the Vitamin D we need
by “doing chemistry.”
Sunlight is a part of the chemical
reaction that makes Vitamin D. When
it’s in your skin, the ultraviolet energy
in sunshine snips up another chemical
that is already floating around in your
body. The new chemical formed is
called Vitamin D3. But your body can’t
make use of Vitamin D3 until a few
more chemical reactions occur. So the
D3 is carried to your liver, where the
atoms are rearranged to form a new

molecule. Then that chemical ends up
in your kidneys. There it is taken apart
again and put back together as
calcitrol. This is the Vitamin D your
stomach needs to absorb calcium.
Vitamin D is essential to everyone’s
nutrition. It helps young people grow
strong teeth and straight new bones.
It keeps older people’s bones from
getting brittle. Years ago, parents were
concerned about the lack of sunshine
in the dark winter months. They
worried that their children weren’t
getting enough Vitamin D. Today,
Vitamin D is added to almost all milk
that’s sold in the United States.

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UNIT 1

WORD ROOTS
  • The Latin roots vit and viv mean “life.” The word vitamin , for example, means “a
substance needed by the body for normal growth and health.” Read the list of
words containing vit or viv. Then write a letter to match each word with its meaning.
Use a dictionary if you need help.
1. _____ survive a. clear; bright; strong
2. _____ vital b. lively, spirited, energetic
3. _____ vivid c. to continue to live or exist
4. _____ vivacious d. necessary to life
5. _____ revival e. act of bringing back to life
  • Now write sentences of your own, using the five boldface words above.
1. ________________________________________________________________
2. ________________________________________________________________
3. ________________________________________________________________
4. ________________________________________________________________
5. ________________________________________________________________
ANALOGIES
An analogy is a statement of relationship. It points out a likeness between things that
are otherwise unalike. Complete the following analogies with words from the reading.
1. Biology is to biologist as ______________________ is to chemist.
2. Adjust is to readjust as action is to ______________________.
3. Athlete is to athletic as ______________________ is to energetic.
4. Multiply is to multiplication as ______________________ is to
rearrangement.

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Lesson 3

All four terms refer to the
conditions of a large body of water’s
surface. The generic term wave refers
to the undulations of the water’s surface.
In their graceful rise and fall, waves
are a combination of sea and swell.
Swell results from the wind’s past
action on the water. It has a gentler,
more rolling action than that of a
wave. You can see swells in the open
water even when the current wind is
calm. The distance between successive
crests is called the wavelength.
Sea refers to the distinct features
of the wave—such as crests—caused
by wind blowing across the water’s
surface.

WORD SEARCH
1. What ten-letter noun in the
reading means “the surface
features of a region, including
hills, rivers, roads, etc.”? _____________________________
2. What ten-letter adjective in the
reading means “going in regular
order without a break”? _____________________________

Surf is the interaction of the waves
and the shoreline. It is influenced by
the height and energy of the waves.
The topography of the coast also
affects surf. A beach with a gentle,
offshore slope, for example, will have
small surf. A beach that drops off
sharply will have larger surf.

Waves, Surf, Seas, and Swells : What’s the Difference?

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UNIT 1
SCIENCE AND TECHNOLOGY WORDS

WORDS AND MEANINGS
Use the clues to help you solve the crossword puzzle. Answers are words from the reading.

1 SWT

G
RF

C

IC

5 6

4

2 3

8

7

PREFIXES
  • The prefix inter- means “between,” and the prefix off- means “away from.” Write a
word from the reading that begins with each prefix.
1. _______________________________ _______________________________
  • Now replace each scrambled word in the sentences below with a new word that
begins with inter- or off-. The first one has been done for you.
2. Tom said the tree house is MILSTI ____________________ until he
repairs the floor.
3. That science fiction story is about TALCGAIC ____________________
warfare in outer space.
4. The actor waited GATES ___________________ until he heard his cue.
5. Route 66 is a well-known ETAST ____________________ highway.

ACROSS

2. colorless liquid found in
oceans
5. points toward; assigns
meaning to
7. tops or summits of waves
8. has an effect on

DOWN

1. the outside of something
3. words or phrases with
special meanings in
science, art, etc.
4. describes smooth, beautiful
ease of movement
6. qualities or characteristics

off-limits

Lesson 4

Some Surprising Facts About Bones

WORD SEARCH
1. What seven-letter noun in the reading
means “a group of plants or animals that
are alike in certain ways”? _______________________
2. What seven-letter adjective in the reading
means “active, energetic, vigorous”? _______________________
3. What seven-letter noun in the reading
describes the hardened remains of
ancient plants or animals? _______________________

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UNIT 1
SCIENCE AND TECHNOLOGY WORDS

Many people think of the
skeleton as a symbol of death. But
each and every bone is a living
organ, full of dynamic vitality. In
fact, every square inch of your
skeleton is regenerated every
ten years. Some parts—the
spongy bones of the spine
and hip—renew themselves
much more often.
In a broader sense, human bone
is a key to understanding who we
are as a species. The bones of long-
dead creatures that have turned to
fossils tell us much about life. Without
them, scientists would know very
little about the history of vertebrates
over the past 600 million years.

Living cells make up less than five
percent of your body’s bones—but they
are continually busy! At this very
moment, specialized cells in your
skeleton are chewing up old, worn-
out bits of bone and putting fresh
new material in their place.
Meanwhile, these same busy
bones are turning out new blood
cells. And they’re making sure
that every part of your body
gets just the right amount of
calcium to keep it going. How do
your bones do this? They act as a
storage bank for calcium. In fact, 99
percent of the calcium in your body is
held in bone—ready for release into the
bloodstream as needed.

SYNONYMS
First unscramble the words from the reading. Then write each unscrambled word
next to its synonym (word with a similar meaning).
SELS _________________________ OMANUT _______________________
ADED ________________________ TRUERACES _____________________
SYBU ________________________ NETFO _________________________
RAPT _________________________ LIARMEAT ______________________
1. piece ______________________ 5. deceased ____________________
2. quantity ___________________ 6. frequently ___________________
3. fewer ______________________ 7. industrious __________________
4. beings _____________________ 8. substance ___________________
SENTENCE COMPLETION
Puzzle answers are words from the
reading that complete the sentences.

ACROSS

1. Every bone is a _____ organ.
5. A skeleton is often thought
to be a ____ of death.
6. Every bone is full of
dynamic _____.
7. Worn-out bits of bone are soon
replaced with _____ new material.

DOWN

1. Fossils are the remains of _____
dead creatures.
2. Fossils tell us about the history of _____.
3. The bones of the spine and hip have a _____ texture.
4. Bones release _____ into the bloodstream.

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Lesson 5

Science in the News: A Very Long-Term Experiment

Seeds buried by a
botanist 121 years
ago have recently
bloomed into bright
yellow flowers.
In the late 1800s,
William Beal was
a botany professor
at Michigan State
University. In 1879, he devised an
experiment to determine how long
seed would continue to germinate. To
do this he put seeds of mullein plants
in 20 glass bottles and then buried
them on the campus.
Professor Beal directed that one
bottle should be unearthed every five
years. To extend the experiment, the

WORD SEARCH
1. What nine-letter noun means “a college or
university teacher of the highest rank”? _______________________
2. What eleven-letter compound word in the
reading means “glass buildings that can be
heated for growing plants”? _______________________
3. What ten-letter noun in the reading
means “a test to find out whether a theory
is correct”? _______________________

intervals were lengthened to every ten
and then every 20 years.
The fifteenth bottle was dug up on
an April day in the year 2000. The
1,050 seeds in the bottle were set out
in a growth chamber. Twenty-five
seedlings, nearly all of them mullein,
began to grow.
Put in greenhouses, the plants
soon started blooming. The bright
yellow flowers were described as
“beautiful” by botanists following
through with Professor Beal’s
experiment.
Five of William Beal’s bottles still
remain buried on the Michigan State
campus. The next one is scheduled to
be dug up in 2020.

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UNIT 1
SCIENCE AND TECHNOLOGY WORDS

ANTONYMS
Use words from the reading to solve the crossword
puzzle. Clue words are antonyms (words that mean
the opposite) of the answer words.

ACROSS DOWN

2. unearthed 1. pale; dull
4. wither 3. long
5. terminate
6. earlier
SYNONYMS
First unscramble the words from the reading. Then write each word next to its
synonym (word with a similar meaning).
DISCBREED ___________________ RINWOLFEG _____________________
NEATIMERG ___________________ NEXTED _______________________
CRIEDEDT _____________________ EDSIVED _______________________
1. blooming ___________________ 4. ordered ____________________
2. invented ___________________ 5. lengthen ___________________
3. sprout ______________________ 6. characterized ________________
THINKING ABOUT THE READING
1. How many of the 1,050 seeds planted in the year
2000 did not grow? _______________
2. What’s the name of the branch of
science that studies plants and how
they grow? ___________________________
3. How many glass bottles of seeds have already
been dug up? _______________

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YRALUVOC ABSCIENCE ANDTECHNOLOGYWORDS◆ Science in the News◆ Computers and the Net◆ The Natural World◆ Observations and ExperimentsVOCABULARYin contextELLIOTT QUINLEY1VOCABULARYiinn ccontexto n te x tEVERYDAY LIVING WORDSHISTORYMEDIAANDANDMUSIC, ART,SCIENCEGEOGRAPHY WORDSMARKETPLACE WORDSANDANDWORKPLACELITERATURE WORDSTECHNOLOGY WORDSANDCAREER WORDSThree WatsonIrvine, CA 92618-2767E-Mail: info@sdlback.comWebsite: www.sdlback.comDevelopment and Production: Laurel Associates, Inc.Cover Design: Elisa LigonInterior Illustrations: Katherine Urrutia, Debra A. LaPalm, C. S. ArtsCopyright © 2002 by Saddleback Educational Publishing.

All rights reserved.No part of this book may be reproduced in any form or by any means, electronicor mechanical, including photocopying, recording, or by any information storageand retrieval system, without the written permission of the publisher.ISBN-10: 1-56254-400-4ISBN-13: 978-1-56254-400-3eBook: 978-1-60291-484-1Printed in the United States of America07 06 05 04 039 8 7 6 5 4 3 2 12CONTENTS▼ Introduction …………………4UNIT 1 Preview ……………………….. 5LESSON1 Unit 1 Glossary …………………..

62 How Does SunlightProduce Vitamin D? …………. 93 Waves, Surf, Seas,and Swells: What’s theDifference? ……………………… 124 Some Surprising FactsAbout Bones …………………… 155 Science in the News: A VeryLong-Term Experiment ….. 186 Have You Ever Seen aSun Dog? ………………………… 21UNIT 3 Preview ……………………… 55LESSON1 Unit 3 Glossary ………………… 562 Today’s Weather Forecast:A National Overview ……… 593 Try It Yourself: MakingMold ………………………………..

624 Two Kinds of Research:Basic and Applied …………… 655 How Does a Radio Work? .. 686 The Amazing Rhino ………… 717 Science in the News:Avoiding Potholes on theInformation Highway …….. 74▼ Unit 3 Review …………………… 777 Science in the News: TheDangers of Mercury ……….. 24▼ Unit 1 Review …………………… 27UNIT 2 Preview ……………………… 30LESSON1 Unit 2 Glossary …………………

31UNIT 4 Preview ……………………… 80LESSON1 Unit 4 Glossary ………………… 812 Rabbits and Hares: What’sthe Difference? ……………….. 842 What’s a Hertz? ………………. 343 What Causes3 Animal Intelligence ……….. 874 Why Are Deserts Dry? ……. 905 Q&A Sites on the4 Try It Yourself: Make a6 Science in the News:5 Carbon: A Common7 Noise Pollution: How Loud6 In Pursuit of Knowledge:▼ Unit 4 Review …………………. 1027 Science in the News: Rewriting▼ End-of-Book Test ………105▼ Unit 2 Review ……………………

52▼ Word List ………………….109Precipitation? …………………. 37Standing Wave ……………….. 40Element ………………………….. 43Internet ………………………….. 93Monitoring Vesuvius ……….. 96Is Too Loud? …………………… 99The Scientific Method ……. 46the Record Books ……………. 493INTRODUCTIONWelcome to VOCABULARY IN CONTEXT!A well-developed vocabulary pays off in many importantways. Better-than-average “word power” makes it easier tounderstand everything you read and hear—from textbookassignments to TV news reports or instructions on how to repaira bicycle. And word power obviously increases your effectivenessas a communicator. Think about it: As far as other people areconcerned, your ideas are only as convincing as the words youuse to express them.

In other words, the vocabulary you use whenyou speak or write always significantly adds to or detracts fromwhat you have to say.VOCABULARY IN CONTEXT was written especially for you.The program was designed to enrich your personal “word bank”with many hundreds of high-frequency and challenging words.There are six thematic books in the series—Everyday Living,Workplace and Careers, Science and Technology, Mediaand Marketplace, History and Geography, and Music, Art,and Literature. Each worktext presents topic-related readingswith key terms in context.

Follow-up exercises provide a widevariety of practice activities to help you unlock the meanings ofunfamiliar words. These strategies include the study ofsynonyms and antonyms; grammatical word forms; wordroots, prefixes, and suffixes; connotations; and the efficientuse of a dictionary and thesaurus. Thinking skills, such asdrawing conclusions and completing analogies, are includedas reinforcement.A word of advice: Don’t stop “thinking about words” whenyou finish this program. A first-class vocabulary must beconstantly renewed! In order to earn a reputation as a firstrate communicator, you must incorporate the new words youlearn into your everyday speech and writing.4SCIENCE AND TECHNOLOGY WORDSUNIT 1PREVIEWHere’s an introduction to the vocabulary terms, skills, and concepts you will study inthis unit.

Answers are upside down on the bottom of the page.Write T or F to show whether each statement is true or false.1. _____ The words molecule and atom are synonyms.2. _____ Hexagon is the noun form of hexagonal.3. _____ Cirrus clouds are dark and dense.4. _____ Botanists are scientists who study a type of food poisoningcalled botulism.5. _____ The words pollute and sterilize are antonyms.6. _____ The prefix -al turns the word digit into digital.7. _____ The Greek root therm means “heat.”8.

_____ Dynamic is the adjective form of the noun dynamics.9. _____ The plural form of bacterium is bacteriums.10. _____ The suffix -ion can be used to turn a verb into a noun.SPELLINGCircle the correctly spelled word in each group.2. professor3. germanatevirtabrateproffessorgerminatevertebrateperfessergermenateANSWERS: 1. F 2. T 3.

F 4. F 5. T 6. F 7. T 8. T 9. F 10. T1. vertabrate5SPELLING: 1. vertebrate 2. professor 3. germinateUNIT 1Lesson 1SCIENCE AND TECHNOLOGY WORDSGLOSSARYA glossary is an alphabetical list of unusual or specialized words from a certainfield of knowledge. Following are some important scientific and technical wordsthat all educated people should know.atmosphere the air (made ofgases, fine dust, and water vapor)that surrounds the Earthatoms tiny parts into which all thingson Earth can be broken downbacteria simple, one-celled organismsthat are visible only through amicroscopebit the smallest unit of informationused by a computer; represented bya 0 or a 1byte a string of eight bits standingfor a single charactercarbohydrates sugars and starchesin food that give people energychemistry the scientific study ofwhat substances are made ofand how they can change whencombined with other substancesclimate a region’s average weatherover many yearscrust the outer layer of the Earthdiskettes disks made of magneticmaterial and used to store dataentered into a computerecology the study of how all livingthings depend on one anothererosion the wearing away of soil bywind and waterevolutiontimechanges in a species overfood chain a group of organisms,each of which is dependent onanother for foodfossils the remains of organisms thatlived long agoorganisms living thingsWORDS IN CONTEXTComplete each sentence with a word from the glossary.

Use the other words in thesentence to help you decide which word to add. Check the dictionary definition ifyou’re still not sure.1. The devastating Dust Bowl of the 1930s was caused by thewidespread ____________________ of America’s farmland.62. Life science is the study of all the ____________________ on Earth.3. Fruits, vegetables, and grains are all good sources of____________________.4. Some ____________________ are useful for making foods such ascheese; other kinds can cause sickness and death.5. There are two hydrogen ____________________ and one oxygen____________________ in a water molecule.6. Each ____________________ of information in a computer programstands for a letter, number, or symbol.SCRAMBLED WORDS1First unscramble the words from the glossary.Then solve the crossword puzzle with wordsthat complete the sentences.ALCTIME____________________ODFO ACHIN____________________COYLOGE____________________MYSTERCHI____________________STRUC____________________HERPOSTMAE ____________________2AF345CECTACROSS5.

_____ is the study of whatmatter is made of and howit can change.6. The continents and theocean floor are part of theEarth’s _____.DOWN1. The _____ extends morethan 1,400 miles abovethe Earth’s surface.6C2. Each of the organisms in a_____ (two words) eats one ofthe other organisms.3. The study of the relationshipbetween different populations in ahabitat is called _____.4. A desert _____ is mostly hot and dry.7WORD FORMSAdd vowels (a, e, i, o, u) to complete a different form of a glossary word. Use contextclues for help. The first one has been done for you.1. A b__ca t__r__e i __la infection can usually be treated with an antibiotic.2. As weather __r__d__s rocks, salt from the rocks enters the soil.3. __t__m__c energy is used to power some submarines.4. Ch__m__s t s often conduct their experiments in laboratories.5.

Over time, organisms will f__s s__l__z__ if all the conditions areright.6. All of today’s plants and animals __v__l v__d from tiny one-celledcreatures.7. Scientists call lightning an “__t m__s p h__r__c disturbance.”EXAMPLESCircle an example of each boldface glossary item.1. climatemountainousoverpopulatedhumidprosperous2. carbohydrateslettucebutterproteinspotatoes3. organismsfleas8glacierschemicalsinstrumentsUNIT 1Lesson 2SCIENCE AND TECHNOLOGY WORDSHow Does Sunlight Produce Vitamin D?Vitamin D is a chemical that allowsyour body to make use of animportant nutrient called calcium. Ourbodies make the Vitamin D we needby “doing chemistry.”molecule. Then that chemical ends upin your kidneys. There it is taken apartagain and put back together ascalcitrol. This is the Vitamin D yourstomach needs to absorb calcium.Sunlight is a part of the chemicalreaction that makes Vitamin D.

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  • Word stressed on the second syllable