Heat
Name:

Choose the best answer for each question listed below.


1. Only things that feel warm have heat.

True
False

2. The more molecules an object contains, the more heat energy it has.

True
False

3. Our eyes can see the thermal radiation that our bodies radiate.

True
False

4. In a thermos bottle, the vacuum between two glass bottles prevents heat being conducted between the bottles.

True
False

5. Radiating heat travels in waves moving at about 300,000 km/sec.

True
False

6. We wear layers of coats, jackets, and sweaters on a winter day to keep the cold air away from our bodies.

True
False

7. A heat pump is used to move heat into or out of a building.

True
False

8. Heat is energy that can do which of the following? Heat can:

Keep things warm
Do work
Make engines run
All of the above

9. Which of the following is not a way by which heat can be transferred?

Conduction
Conservation
Radiation
Convection

10. Which of the following describes the formation of air convection currents?

Molecules in cooler air move faster and farther apart than those in warmer air.
Cooler air moves in over the warm air and pushes it down.
The sun warms the land, which heats the air above it.
All of the above

Your score is out of 10.