Chapter 7 Energy Review

Why would a piece of chocolate melt in your car on a sunny day?

• Conduction

• Radiation

• Convection

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NGSS.MS-PS3-4

Why does warm air rise?

• Conduction

• Convectiion

• Radiation

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If you burn your hand while taking out a cookie sheet from the oven, heat was transferred to your skin by...?

• Conduction

• Convection

• Radiation

Explain how heat moves?

• Cold places to warm places

• Warm places to cooler places

• In many directions

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Which object is a conductor?

• Plastic spoon

• Penny

• Rubber

What is an object that DOESN'T conduct heat well?

• Conductor

• Insulator

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What is wood?

• Conductor

• Insulator

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What is iron?

• Conductor

• Insulator

Energy CANNOT be created, it can only be transferred.

• True

• False

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What kind of energy describes the work you have done when you pull someone in a wagon?

• Electrical

• Light

• Sound

• Mechanical

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