Across
- 3. energy the energy obtained from waste material of plants and animals
- 7. energy energy that can be used over and over again
- 9. renewable energy are always....
- 11. energy from moving water
- 13. energy energy from the sun
Down
- 1. most of the renewable energy do not .... the environment
- 2. energy a form of renewable energy from the movement of waves
- 4. a solar panel have to face the....
- 5. harvesting solar energy and wind energy are dependent on the ....
- 6. in biomass energy, ... can be used to run vehicles
- 8. moving air
- 10. geothermal energy is the .... energy from inside the earth
- 12. usually hydroelectric power station has dam built across a ....