Energy Review
Across
- 2. Near the ocean warm air over the land rises and cool air over the water falls causing the warm and cool air to mix which is heat transfer through__________.
- 3. Plants turn _______ energy into chemical energy during photosynthesis.
- 5. The ______ energy of the rock does not change, but the energy changes from gravitational potential to kinetic energy as the rock falls.
- 7. _________can happen in liquids and gases.
- 10. Computers turn __________ energy into light sound and heat?
- 14. When a rock falls it converts gravitational potential energy into _______ energy.
- 15. _________energy makes a geyser erupt.
- 17. An object at rest on a hill may have ________ energy, but cannot have kinetic energy if it is at rest.
Down
- 1. A low specific heat value indicates a better heat ________.
- 4. At the lowest point of a roller coaster all of the ___________ potential energy has been turned into kinetic energy.
- 6. A substance with a high specific heat is a better ________ than a substance with a low specific heat.
- 8. _______ transfers heat through radiation
- 9. In an electric generator thermal energy is turned into __________ energy when the steam turns the turbine, and mechanical energy is turned into electrical energy in the generator.
- 11. If you touch something that is hot, energy is transferred to you through _________.
- 12. Light transfers energy through _________.
- 13. Matches turn ________ energy into light and heat.
- 16. Heat will travel better through _______ than liquids or gases.