Unit 4: Transfer of Energy Study Guide

Which is not a form of energy?

• Weight

• Thermal

• Light

• Mechanical

Draw a picture that best shows the transfer of electrical energy from one place to another.

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What type of energy transfer causes things, like ice cream, to melt?

• Thermal

• Sound

• Chemical

• Nuclear

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Why does flipping a wall switch turn on a light?

• It sends a signal to the bulb to light

• It opens the circuit to stop the flow of electricity

• It is connected to the light bulb

• It closes the circuit to make the electricity flow

A student made the circuit in the following drawing:

• He built his circuit incorrectly because the circuit is open

• He built his circuit correctly because the light bulb is connected to a wire

• He built his circuit incorrectly because the battery is too small

• He built the circuit correctly because the light bulb is connected to the battery.

A doorbell will not stop ringing. Electricity is constantly being changed into sound energy. What could be wrong?

• The circuit is staying closed

• Too much electricity is traveling in a circuit

• The circuit is staying open

• Electricity has stopped traveling in a circuit

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You know of several objects that use electrical energy. People use these objects in different ways. Name one object that you know of, identify one form of energy the object produces by transferring electrical energy, and then describe how the object helps people.

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What has more thermal energy?

• A cup of boiling water

• A cup of milk

• A cup of warm water

• A cup of cold water

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Which statement accurately describes an example of a prototype?

• A car is assembled in an assembly line

• The first telephone is built and tested

• A battery is produced in a factory

• A microwave is installed in the kitchen

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Which action produces the most heat during a baseball game?

• Throwing a baseball

• Sliding into first base

• Catching a baseball

• Walking to home plate

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