Across
- 2. energy powered by water tides(2)
- 5. a fuel derived from living matter.
- 6. converts wind to energy
- 8. A system that stores/collects heat derived from the sun.
- 9. mirrors surround a "power tower" to focus sunlight
- 10. a cell where hydrogen can be used to produce electricity
- 12. dark metal sheet that absorbs sun
Down
- 1. water power.
- 3. electricity generated from biomass.
- 4. a cell that converts solar energy directly into electricity.
- 6. land where wind is converted to energy.
- 7. solar powered home natural sun(3)
- 11. organic material that comes from living organisms.
- 13. a process that releases hydrogen.