Heat Energy Review

Which of the following is the best CONDUCTOR of heat energy?

• glass

• metal

• cotton

• air

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Mrs. Jones is baking brownies. Which material should she wrap her brownie pan in, to stop heat energy from escaping the brownies?

• tin foil

• plastic wrap

• a clean towel

• nothing

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Which tools would best help you record data as you track heat energy flowing into an insulator?

• A measuring tape

• A graduated cylinder

• A timer and a meter stick

• A timer and a thermometer

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What object radiates heat?

• A hot pan

• The sun

• Boiling water

• A hair dryer

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How does heat flow?

• From a cooler object to a warmer object

• From a warmer object to a hotter object

• From a warmer object to a cooler object

• From a cooler object to a cold object.

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Why are most pots and pans made out of metal?

• Metal is strong and won't break

• Metal is a good conductor of heat

• Metal is good insulator of heat

• Metal will burn your food

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How does heat travel through a pot of soup to cook the ingredients in the soup?

• Heat travels through the liquid soup by convection

• Heat travels through the soup by radiation

• Heat travels through the soup by insulation

• Heat travels through the soup by conduction.

When heat energy enters particles, they...

• spread out and move more quickly

• get closer together and slow down

• spread out and move slowly

• get close together and move very fast

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Heat is a form of energy because it..

• creates motion and causes change

• creates light

• makes sound

• has particles

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Which of the following is an INFERENCE about how heat energy affects a thermometer inside of a mitten?

• The thermometer read 72 degrees at the beginning

• The thermometer's temperature increased after 30 minutes

• The thermometer outside the mitten had a cooler temperature than the thermometer in the mitten

• We think the thermometer outside the mitten was cooler because the wind was cool, and the mitten may have trapped heat inside.

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