SUPER

Science

7th

grade

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Thermal Energy & Heat

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25 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
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    Energy cannot be created or destroyed. It can only be changed from one form to another. This is known as the law of conservation of ____________ :

    mass

    energy

    temperature

  • 2. Multiple Choice
    2 minutes
    1 pt
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    There are different kinds of electricity: 1.) static electricity - contact between equal amount of protons and electrons (positively and negatively charged subatomic particles). 2.) current electricity - flow of electric charge across an electrical field (created for a purpose it will travel through a medium like an insulated wire). 3.) hydro electricity - water moves turbines which produces mechanical energy which produces electrical energy 4.) solar electricity can generate heat which produces thermal energy or can produce electron movement via materials within a battery.

    All of this is an example of:

    transfer of mechanical energy

    transfer of radiation energy

    transfer of chemical energy

    all of the above

    both a and b

  • 3. Multiple Choice
    2 minutes
    1 pt
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    At which point is potential energy greatest?

    W

    X

    Y

    Z

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