Forms of energy word find

1. sound wave

   (acoustics) a wave that transmits sound

   The vibration of the object pushes the air molecules nearby which travel as
   sound waves to the listener.

2. electromagnetic spectrum

   the entire frequency range of electromagnetic waves

   The portion of the
   electromagnetic spectrum that humans can see is commonly called “light.”

3. electrical energy

   energy made available by the flow of electric charge through a conductor

   Electrical energy is created when electrons, small particles of atoms, are caused to move along a path called a circuit.

4. kinetic energy

   the mechanical energy that a body has by virtue of motion

   Kinetic energy is the energy which comes from movement, and potential energy is the stored energy which comes from an object’s placement.

5. electrical circuit

   an electrical device that provides a path for electrical current to flow

   When we turn on a light, we are closing an
   electrical circuit and the lights come on.

6. refract

   subject to change in direction of a propagating wave

   Light can also be
   refracted, meaning it can be “bent” when it travels from one medium to another.

7. mechanical energy

   energy in a mechanical form

   Mechanical energy is the energy which is possessed by an object due to its motion or due to its position.

8. heat energy

   a form of energy that is transferred by a difference in temperature

   A fire, a hot cup of coffee, or a heating stove has “thermal” or
   heat energy.

9. kinetic

   relating to the motion of material bodies and their forces

   Mechanical energy can be in the form of
   kinetic or potential energy.

10. potential energy

    energy stored by a body or system by virtue of its position

    Mechanical energy can be in the form of kinetic or
    potential energy.

11. electromagnetic

    pertaining to or exhibiting magnetism produced by electric charge in motion

    The portion of the
    electromagnetic spectrum that humans can see is commonly called “light.”

12. electron

    an elementary particle with negative charge

    Electrical energy is created when
    electrons, small particles of atoms, are caused to move along a path called a circuit.

13. insulator

    a material with little electrical or thermal conductivity

    Materials through which electrons flow easily, such as copper wire, are called conductors, while materials such as rubber or plastic, which do not allow electrons to flow through them as easily are called
    insulators.

14. thermal

    relating to or associated with heat

    A fire, a hot cup of coffee, or a heating stove has “
    thermal” or heat energy.

15. light bulb

    electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

    We can adjust the amount of electrical energy in a
    light bulb if we want a room to be brighter or dimmer.

16. electric motor

    a motor that converts electricity to mechanical work

    All
    electric motors in everything from toy cars to powerful fans use electromagnetic fields to create their power.

17. laser

    an optical device that produces an intense beam of light

    Laser lights have become important tools for doctors in surgery, for the manufacture of CD and DVD players and computers, and even for teachers and speakers who use laser pointers in their presentations.

18. microwave

    kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food

    A
    microwave works differently; it uses microwaves (longer waves around a food in length are the ones that help heat food in the microwave itself) to make the particles inside the food move more rapidly.

19. molecule

    the simplest structural unit of an element or compound

    The higher the temperature the faster the particles, or
    molecules, of an object are moving.

20. particle

    (nontechnical usage) a tiny piece of anything

    The higher the temperature the faster the
    particles, or molecules, of an object are moving.

21. electrical

    relating to or concerned with electricity

    Electrical energy is created when electrons, small particles of atoms, are caused to move along a path called a circuit.

22. dimmer

    a rheostat that varies the current through an electric light in order to control the level of illumination

    We can adjust the amount of electrical energy in a light bulb if we want a room to be brighter or
    dimmer.

23. pointer

    a mark to indicate a direction or relation

    Laser lights have become important tools for doctors in surgery, for the manufacture of CD and DVD players and computers, and even for teachers and speakers who use laser
    pointers in their presentations.

24. atom

    the smallest component of an element

    All matter is made up of
    atoms.

25. mechanical

    using tools or devices

    Mechanical energy is the energy which is possessed by an object due to its motion or due to its position.

26. DVD

    a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set

    Laser lights have become important tools for doctors in surgery, for the manufacture of CD and
    DVD players and computers, and even for teachers and speakers who use laser pointers in their presentations.

27. electricity

    a physical phenomenon that can produce light, heat and power

    For the electrons to flow and
    electricity to be evident, the circuit must be closed, that is to say the path along which electrons are flowing must not be broken, or open, anywhere along the way.

28. spectrum

    a broad range of related objects, values, or qualities

    The portion of the electromagnetic
    spectrum that humans can see is commonly called “light.”

29. humans

    all of the living human inhabitants of the earth

    The portion of the electromagnetic spectrum that
    humans can see is commonly called “light.”

30. telescope

    a magnifier of images of distant objects

    Curved lenses in
    telescopes refract light in order to magnify the picture.

31. computer

    a machine for performing calculations automatically

    It takes energy to cook a meal, ride a bicycle, speak to a friend, turn on a
    computer, or listen to a song.

32. temperature

    the degree of hotness or coldness of a body or environment

    Temperature is really a measure of how much thermal energy an object has.

33. surgery

    science treating disease or injury by operative procedures

    Laser lights have become important tools for doctors in
    surgery, for the manufacture of CD and DVD players and computers, and even for teachers and speakers who use laser pointers in their presentations.

34. planet

    a celestial body that revolves around the sun

    Without sources of energy, the Earth would be a lifeless
    planet.

35. copper

    a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

    Materials through which electrons flow easily, such as
    copper wire, are called conductors, while materials such as rubber or plastic, which do not allow electrons to flow through them as easily are called insulators.

36. metal

    a chemical element or alloy that is usually a shiny solid

    Sound waves can be demonstrated by striking a
    metal rod and feeling the vibration of the ringing rod or by simply placing our hand on our throat and speaking.

37. electric

    using or providing the flow of charge through a conductor

    All
    electric motors in everything from toy cars to powerful fans use electromagnetic fields to create their power.

38. brain

    the organ that is the center of the nervous system

    Our ears are designed to be sensitive to these waves of sound, which our
    brain translates back into the voice which we hear.

39. human

    a person; a hominid with a large brain and articulate speech

    The portion of the electromagnetic spectrum that
    humans can see is commonly called “light.”

Created on October 21, 2011