Heat Transfer

Identify the method of heat transfer that takes place in each illustration. Explain where the thermal energy starts and goes to.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What kind of heat transfer is used to cook eggs? Explain where the thermal energy starts and is transferred to.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

This is a hair dryer. It is used to dry your hair with air that flows. What kind of heat transfer is used to dry wet hair? What is the source of thermal energy and where does it transfer to?

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

You buy a lava lamp in the store. As the lamp heats up, blobs of liquid rise to the top then sink down to the bottom. This process happens because of

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

You are roasting marshmallows at a campfire. The metal stick that you use to cook your marshmallow on burns your hand because of ​

• convection

• radiation

• conduction

You feel warm sitting around the fire because of (a)   .

• radiation

• convection

• conduction

• none

You are in science class and want to see if the hot plates were used recently. You place your hand over the hot plate. Without touching it, your hands feel warmer. The heat transfer type represented here is (a)   .

• radiation

• conduction

• convection

• none

You are watching your mom cook and accidentally touch the hot pan and burn your hand. What kind of heat transfer is represented here? Explain how the molecules are moving.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which is the best example of convection?

• You sip some hot soup and burn your tongue.

• You get a sunburn from tanning all day.

• You swim in a lake and some areas are hot while others are cold.

• Water in a well-built thermos takes many hours to cool.

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NGSS.MS-ESS2-6

NGSS.MS-PS1-4

In a cup of tea, the smoke moves upwards because of which heat transfer?

• Convection

• Conduction

• Radiation

• None