Across
- 3. technology used to collect/store the heat from the sun
- 6. designed buildings to collect/store the suns energy
- 7. energy of moving water used to create electricity
- 9. movement of tidal water to create electricity
- 13. hold particles together in the nucleus
- 15. splitting of an atom nucleus into two
- 16. small nuclei are forced together
- 17. device that converts winds energy to create electricity
- 18. mirrors that focus sunlight to create electricity
Down
- 1. solar energy converted directly to electricity
- 2. keeps soil at the right temperature all year
- 4. heat thats produced from high pressure and radioactive elements
- 5. one process that releases hydrogen
- 8. energy produced from material made up from living things
- 10. Liquid fuels like gasoline
- 11. too much heat being produced that it melts
- 12. a group of wind turbines
- 14. two molecules combined to form water