Heat Transfer 2 - Assessment

1.

Multiple Choice

20 sec

1 pt

What kind of heat transfer happens when the sun heats your body?

Conduction

Radiation

Convection

Density

2.

Multiple Choice

20 sec

1 pt

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

conduction

convection

radiation

Insolation

3.

Multiple Choice

20 sec

1 pt

When you iron a shirt, the shirt gets warm. This type of heat transfer is an example of

condensation

conduction

convection

radiation

4.

Multiple Choice

45 sec

1 pt

Warm air is __________ dense than cold air and rises creating convection currents.

more

less

5.

Multiple Choice

45 sec

1 pt

The man takes the hot pot off the stove with his bare hands and his hands get burned. This is an example of

conduction

convection

radiation

6.

Multiple Choice

45 sec

1 pt

What is the definition of CONDUCTION?

When heat is transferred from objects like rays of light or electromagnetically.

a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

When heat transfers from objects that are touching.

When heat transfers through the heater or AC in your house.

7.

Multiple Choice

45 sec

1 pt

A group of friends gather around a fire to stay warm. This is an example of

conduction

convection

radiation

8.

Multiple Choice

45 sec

1 pt

The baby chickens are kept warm from the heat lamps. This demonstrates what kind of heat transfer?

conduction

convection

radiation

9.

Multiple Choice

30 sec

1 pt

The transfer of heat by currents through liquids of gases is called

Perspiration

Radiation

Conduction

Convection

10.

Multiple Choice

45 sec

1 pt

A metal spoon heated by hot soup. This is an example of

Conduction

Transpiration

Convection

Radiation

11.

Multiple Choice

45 sec

1 pt

"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to

conduction

convection

radiation

12.

Multiple Choice

30 sec

1 pt

Near the ceiling of a room the air is warmer; the warm air rises because of

conduction

convection

radiation

13.

Multiple Choice

45 sec

1 pt

A huge rock at the state park gets hot during the day. The rock was warmed from the Sun by

conduction

convection

radiation

14.

Multiple Choice

45 sec

1 pt

You lay on a hot rock and keep warm from the rock by

conduction

convection

radiation

15.

Multiple Choice

45 sec

1 pt

A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?

Solar radiation heated the driveway and then heat transferred to the crayon by conduction.

Solar radiation heated the driveway and then heat transferred to the crayon by radiation.

Solar convection heated the driveway and then heat transferred to the crayon by radiation.

Solar convection heated the driveway and then heat transferred to the crayon by conduction.

16.

Multiple Choice

45 sec

1 pt

Which statement is true?

The quicker a molecule moves, the colder it is.

The slower a molecule moves, the warmer it is.

The quicker a molecule moves, the warmer it is

The movement of a molecule doesn't affect its temperature

17.

Multiple Choice

45 sec

1 pt

The picture shows heat transfer by

Conduction

Convection

Radiation

18.

Multiple Choice

45 sec

1 pt

Cold air sinks. True or false?

true

false

19.

Multiple Choice

45 sec

1 pt

This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:

Conduction.

Convection.

Radiation.

20.

Multiple Choice

45 sec

1 pt

The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?

conduction

convection

radiation

Insolation

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