Ques:Q: When someone falls, the kinetic energy the person has upon reaching the floor is the amount of what energy lost by falling through height? Choices: - gravitational energy - thermal energy - nuclear energy - potential energy A:

Ans:potential energy
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Ques:Q: What property is a measure of the average kinetic energy of molecules? Choices: - mass - velocity - density - temperature A:

Ans:temperature
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Ques:Q: What term is used to describe potential energy due to an object's shape? Choices: - stimulated potential energy - flexible energy - kinetic energy - elastic potential energy A:

Ans:elastic potential energy
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Ques:Q: Which is the ultimate energy source in a bear's food chain? Choices: - decomposers - plants - heat - sun A:

Ans:
sun
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