Across
- 3. anything stretched has this energy
- 7. the measure of how heat is a thing
- 8. the change of types of energy
- 9. type of energy in food
- 10. unit of force
- 11. a black solid non-renewable fossil fuel
- 12. another word for heat
Down
- 1. a substance or material which allows energy to go through
- 2. a material that does not easily transmit energy
- 4. energy for movement
- 5. the quality of being efficient
- 6. something you can hear
- 13. ability to do work