Energy Transformations and Conservation

How are different forms of energy related?

• they can all be transformed into other forms of energy

• none of them can be transformed into other forms of energy

• they can be created

• they can be destroyed

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A change from one form of energy to another

• energy conservation

• energy transformation

• potential energy

• kinetic energy

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Which is an example of a single energy transformation?

• A toaster converts electrical to thermal energy

• A match converts mechanical to thermal to electromagnetic

• A biker converts chemical to mechanical to thermal

• A car converts chemical to thermal to mechanical

What is an example of multiple energy transformations?

• Your body transforms chemical to thermal

• Your body transforms chemical to mechanical

• a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light

• a phone converts electrical to electromagnetic

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As an object falls its __________ energy decreases and its kinetic energy increases

• potential

• chemical

• thermal

• electric

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A pendulum has the most kinetic energy when?

• at the top of its swing

• at the bottom of its swing

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According to the Law of Conservation of Energy, when one form of energy is transformed into another, __________ energy is lost in the process

• no

• some

• all

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_________ CANNOT be created or destroyed

• energy

• transformation

• motion

• pendulums

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Whenever a moving object experiences friction, some of its kinetic energy is transformed into __________ energy.

• thermal

• electrical

• nuclear

• mechanical

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What kind of energy in the sun transforms into electromagnetic energy?

• nuclear

• thermal

• electric

• chemical

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