Burning paper changes ___ to heat and light energy.
chemical
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20
If you use 500 joules of energy to charge your iPad, how much energy will you get out?
500 joules
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thief
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25
gift
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gift
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banana
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15
True or False: Chemical energy CANNOT be changed to mechanical energy.
FALSE
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15
If you put 1000 joules of energy into your body, how much energy will you get out?
1000 joules
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15
What form of energy does a car use?
chemical, electrical
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15
Name one form of energy a car engine produces when it is running and moving.
heat, light, sound, mechanical, electrical
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25
A hair dryer uses 1000 joules of electrical energy and produces heat and sound energy. If it produces 700 joules of heat energy, how much sound energy does it produce?
300 joules
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boom
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fairy
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shark
Other team loses 10 points!
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banana
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15
Name one form of energy a car engine produces when it is running and moving.
heat, light, sound, mechanical, electrical
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15
True or False: When energy is changed from one form to another some of it is lost.
FALSE
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seesaw
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shark
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gift
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banana
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15
True or False: Energy can be changed from one form to another.
TRUE
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15
What form of energy is produced in the sun's core?