Across
- 6. The process by which the wind is used to generate mechanical power or electricity
- 7. It is the radiation from the Sun capable of producing heat
- 9. It is any energy source that is alternative to fossil fuel
- 11. It is about extracting energy from the ground up
- 12. It is among the most abundant forms of alternative energy
Down
- 1. It is a completely clean burning fuel
- 2. It uses the force behind the waves (not the tide) to generate electricity
- 3. Use of animal and plant life to create energy
- 4. It uses the natural flow of moving water to generate electricity
- 5. It can be used to create electricity from the large energy force behind the tides.
- 8. It comes from a source that is naturally occurring
- 10. It is being used in cars to reduce carbon emissions