Heat – Bill Nye Video Study Guide 1. Heat is __energy__ and can do work.

2. Heat moves around the universe in __3__ ways. 3. Hot air moving up is an example of (conduction, convection, or radiation).

4. A microwave oven uses (conduction, convection, or radiation) to heat foods.

5. A metal spoon heated by hot soup is an example of (conduction, convection, or radiation).

6. Molecules in cold things move more __slowly__ than in hot things. 7. Which has more heat energy – the ice sculpture or a lighted match?

8. The transfer of heat by currents through liquids or gases is called .

9. An infrared camera in sensitive to radiation. 10. Liquid Nitrogen’s temperature is minus degrees Celsius. 11. A thermos bottle uses a to keep heat in the thermos. 12. A fire radiates waves.

13. The paper spiral turns because of . 14. Heat is measured in or .

15. Cloth