Across
- 4. The use of less energy to preform the same task
- 8. Water produced energy
- 10. The saving/prevention of wasting energy
- 11. Energy made from resources that won't run out
- 13. A cell producing electrical energy from a chemical reaction
- 15. Use of solar energy to heat a fluid
- 16. Power produced by the surges of ocean water during the rise and fall of tides
Down
- 1. Steam created using the Earth's heat
- 2. The use of the sun for heating
- 3. Panels that convert sunlight to energy
- 5. OTEC
- 6. Land dedicated to windmills and turbines
- 7. Plants used for energy production
- 9. Generation of electricity and other energy
- 12. Main gas in natural gas
- 14. Flammable liquid produced by natural fermentation of sugar