Across
- 2. energy from the sun
- 3. the unit of power
- 5. a common force that converts energy to heat
- 6. the unit of energy
- 8. living things (including yourself) need this for energy
- 11. energy stored in a trampoline when you bounce on it
- 12. common fuel for nuclear power plants (it is an atom on the periodic table)
- 15. unit of energy found in food
- 16. resource used for energy production that does not run out is considered to be...
- 17. energy related to positive and negative charges
- 19. energy resources that will eventually run out
Down
- 1. potential energy of an object raised above the ground
- 3. uses wind energy to generate electricity
- 4. energy of moving objects
- 7. a measure of how much useful energy is converted
- 9. the formula for calculating this is energy/time
- 10. energy found in food, fuels and batteries
- 13. state change from solid to liquid when energy is added
- 14. an example of a fossil fuel
- 18. energy associated with temperature