Across
- 7. to save resources
- 9. These grow in forests and provide wood
- 10. when there isn't enough of something
- 11. Turbine A tall machine that produces wind energy
- 12. a lack of water
- 13. A resource that cannot be replaced quickly
- 16. Food scraps that break down to help plants grow
- 17. A resource that can be replaced naturally
Down
- 1. Water in rivers and lakes that is not salty
- 2. We breathe this gas mixture
- 3. using natural resources responsibly
- 4. Power that helps things work
- 5. A black rock burned for energy
- 6. We drink it and it fills lakes and oceans
- 8. Reusing materials instead of throwing them away
- 14. A thick liquid fuel pumped from underground
- 15. Plants grow in this on land