Across
- 7. A machine that converts mechanical energy into electrical energy
- 8. Energy from steam or hot water produced from hot or molten underground rocks
- 9. A natural resource that can be replaced at the same rate at which the resource is consumed
- 11. Energy generated by the movement of tides
Down
- 1. Electrical energy generated by the flow of water
- 2. The use of solar panels to capture and convert the suns energy into electric energy
- 3. The use of wind turbines to generate electric energy
- 4. A device with fan-like blades that turn when pushed by water or steam
- 5. Plant materials and animal waste used especially as a source of fuel.
- 6. Refilled
- 10. The capacity to do work