Across
- 2. To make new things from old things.
- 4. Dioxide A gas that cars make. Too much can make the Earth hotter.
- 7. Many different types of plants and animals.
- 9. Using things in a way that we can keep using them in the future.
- 10. Layer It protects us from the sun but it’s getting smaller.
- 13. Power Energy from water.
- 16. Change The weather is changing because the Earth is getting hotter.
- 17. Warming The Earth is getting hotter.
Down
- 1. Cutting down many trees.
- 3. All the living things in a place.
- 4. Old food and plants that can help new plants grow.
- 5. Energy from the sun, wind, or water.
- 6. Power Energy from the wind.
- 8. Things we throw away.
- 11. When there are not many of an animal left.
- 12. Dirty air, water, or land.
- 14. Power Energy from the sun.
- 15. The home of an animal or plant.