Across
- 2. practice of using energy
- 3. heats the surface water
- 5. solar panels
- 7. converting energy-tides
- 10. heat within the earth
- 12. dosnt take natural resorce
- 13. containes windmills
- 15. renewable and organic hydroelectricenergy energy produced by water
Down
- 1. converts the energy light
- 4. utilization of the steam
- 6. use solar energy to heat
- 8. energy that is sustainable
- 9. the use of less energy
- 11. colourless, odourless gas
- 12. nervous system depressant
- 14. electrochemical reaction,