Heat Review

1. Imagine you are using a hair dryer to style your hair. What method are you using to produce heat?

• burning
• chemical
• electricity
• friction

2. Putting chopped wood into a fireplace to heat up a home is an example of _____________ to produce heat.

• friction
• electricity
• chemical
• burning

3. When using a hand warmer or a heat pack, what can you infer is the main method of producing heat?

• burning
• friction
• chemical
• electricity

4. Imagine that you and your sister are riding your bikes down a paved driveway. You slam on the brakes and your tires begin to heat up. What method is causing your tires to heat?

• friction
• electricity
• chemical
• burning

5. The Smith family is on a camping trip in Georgia’s Blue Ridge Mountains. They are roasting marshmallows over a campfire. What best describes the transfer of heat energy?

• The heat flows from the marshmallow to the fire.
• The heat flows from one marshmallow to another.
• The heat flows from the sun to the marshmallow.
• The heat flows from the fire to the marshmallow.

6. Which of the following is an example of a tool used to measure heat?

• measuring cup
• thermometer
• timer
• scale

7. Imagine you are measuring the outdoor temperature. What can you infer is happening to the temperature outside when the red liquid in the thermometer rises?

• The thermometer breaks.
• The temperature is getting cooler.
• The temperature is getting warmer.
• There is no change in temperature.

Use the table to answer the question. 8. A metal spoon is placed in a pan of hot water. Which can you conclude from the data in the table?

• Heat moved from the spoon to the water.
• Heat moved from the water to the spoon.
• The temperature of the water stayed the same.
• The temperature of the spoon decreased over time.

9. What would happen if a cup of ice was added to hot water?

• The water would boil.
• The water would freeze.
• The water temperature would decrease.
• The water temperature would increase.

10. You are playing outside and wearing shorts and a tank top on a summer day. What most likely is the temperature for that day?

• 23°F
• 46°F
• 87°F
• 210°F