Chapter 5 Lesson 2 Thermal Energy Transfers

The transfer of theermal energy by electromagnetic waves is ___________.

• conduction

• radiation

• convection

• nuclear

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Convection is the thermal energy transferred from one location to another in a fluid because of difference in density of warmer and cooler parts of the liquid.

• True

• False

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Why do hot air ballons ride?

• thermal conduction

• thermal convection

• thermal expansion

• thermal radiation

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THe pizza crust and pizza sauce have the same temperature. Why then does the pizza sauce burn your mouth, but the pizza crust does not?

• thermal conduction

• thermal radiation

• specific heat is higher the sauce

• sauce has less thermal energy

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A pot holder is an example of ___________.

• thermal insulator

• thermal conductor

• gloves

• keeping your hands warm

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When you fill a 5 gallon plastic gas can with gasoline and screw on the lid and let it sit outside in the warm sun, what happens to the plastic container?

• thermal radiation

• thermal conduction

• thermal expansion

• heat transfer

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NGSS.MS-PS1-4

How can putting a hot liquid into a very cold glass cause the glass to break?

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What happens to the volume of a gas when it is heated?

• volume decreases

• volume increases

• volume doesn't change

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How do bulb thermometers demonstrate thermal expansion in a liquid?

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What can cause thermal expansion in sidewalks?

• The heat from the sun

• People walking on the concrete

• control joints

• existing cracks