Across
- 4. energy from the sun that is stored in plants and animal matter
- 5. when an object is not moving
- 7. fuels that results from the remains of plants and animals that died million years ago
- 9. enery________different parts work together to store, give or use energy
- 10. unit of measurement for energy
- 14. energy an object has due to its position above the ground
- 15. energy system that uses tools or machines to do work.
- 16. stored energy
- 18. energy system that is produced by heat
- 20. energy stored in particles of a substance
Down
- 1. energy system that originates from the sun and is stored in plants and animals as chemical energy
- 2. energy from the core of the atom
- 3. energy source that cannot be used up and can be replaced
- 6. energy from falling water
- 8. energy from the sun
- 11. movement energy
- 12. energy made from the tides and water waves
- 13. energy system that is produced by the flow of electric currents
- 17. energy stored in stretchy and compressed objects
- 19. ability to do work
