Heat Transfer: Conduction, Convection, Radiation

1.

Multiple Choice

20 sec

1 pt

Hot coffee is stirred with a spoon, the spoon gets hot due to

Convection

Conduction

Radiation

2.

Multiple Choice

45 sec

1 pt

A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of

Convection

Conduction

Radiation

3.

Multiple Choice

30 sec

1 pt

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

Convection

Conduction

Radiation

4.

Multiple Choice

30 sec

1 pt

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

Convection

Conduction

Radiation

5.

Multiple Choice

30 sec

1 pt

In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of

Convection

Conduction

Radiation

6.

Multiple Choice

30 sec

1 pt

You are in the top bunk of a bunk bed and you want to turn the air conditioner on while your friend on the bottom bunk is fine is caused by

Convection

Conduction

Radiation

7.

Multiple Choice

45 sec

1 pt

The cause of weather systems on earth is

Convection

Conduction

Radiation

8.

Multiple Choice

45 sec

1 pt

A fireman feels a door and it is hot. Why does his hand feel hot?

Convection

Conduction

Radiation

9.

Multiple Choice

30 sec

1 pt

A huge boulder at the state park gets so hot during the day.

Convection

Conduction

Radiation

10.

Multiple Choice

45 sec

1 pt

Warm air over the beach rises while cooler dense air from the ocean rushes in due to

Convection

Conduction

Radiation

11.

Multiple Choice

30 sec

1 pt

A house burns down. On the house across the street, all of the vinyl siding is twisted and warped by the heat. The heat was transferred across the street by

Convection

Conduction

Radiation

12.

Multiple Choice

45 sec

1 pt

As you hold pieces of ice, they begi to melt from the warmth of you hand on them. This is because of

Convection

Conduction

Radiation

13.

Multiple Choice

30 sec

1 pt

A group of friends gather around a fire to stay warm.

conduction

convection

radiation

14.

Multiple Choice

20 sec

1 pt

The Gulf Stream is a current that brings warm ocean water from the south to the north.

conduction

convection

radiation

15.

Multiple Choice

1 min

1 pt

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

Hotter to colder

Colder to hotter

Hotter to hotter

Colder to colder

16.

Multiple Choice

30 sec

1 pt

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

Convection

Conduction

Radiation

insulation.

17.

Multiple Choice

1 min

1 pt

The kind of heat transfer that travels through space in electromagnetic waves is ______________________.

insulation.

Radiation

Conduction

Convection

18.

Multiple Choice

1 min

1 pt

___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

Convection

Conduction

Radiation

insulation.

19.

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.

20.

Multiple Choice

30 sec

1 pt

When you use a microwave, what is the main way that heat is transferred?

Convection

Conduction

Radiation

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