Across
- 1. Kind of energy that doesn't run out
- 5. Another word for clean and Earth-friendly
- 6. Shines to help plants grow
- 9. Should we take care of the earth?
- 11. Example of super plants
- 12. Where our waste goes
- 14. Plants clean the ____?
- 15. The planet we live on
Down
- 2. What powers machines
- 3. To make new things from old things
- 4. The idea of using resources in a way that doesn’t harm the future
- 7. Power made by moving air
- 8. Using something again instead of throwing it away
- 10. Kind of renewable energy from the sun
- 13. What we save by turning off the faucet