Energy Transformation and Conservation

Front

How are different forms of energy related?

Back

They can all be transformed into other forms of energy.

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Front

A change from one form of energy to another

Back

energy transformation

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Front

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

Back

A toaster converts electrical to thermal energy

Front

What is an example of multiple energy transformations?

Back

A flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light.

Front

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

Back

potential

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Front

When does a pendulum have the most kinetic energy?

Back

At the bottom of its swing.

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Front

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

Back

no

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Front

What cannot be created or destroyed?

Back

energy

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Front

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

Back

thermal

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Front

What kind of energy in the sun transforms into electromagnetic energy? Options: nuclear, thermal, electric, chemical

Back

nuclear

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