Across
- 1. the thing used for solar energy
- 3. uses flowing water
- 5. uses moving air
- 7. uses heat from the earth
- 10. uses light from the sun
Down
- 2. will run out
- 4. the ting used for wind energy
- 6. the things used for hydroelectricity
- 8. will not run out
- 9. uses waste from farms
