Across
- 3. - "Harmful things in the air, water, or land."
- 6. - "The color of grass and many plants."
- 7. - "Tall plants with a trunk and branches."
- 9. - "To use something again instead of throwing it away."
- 11. - "The world of animals, plants, and natural features."
- 13. - "The invisible gases that we breathe."
Down
- 1. - "The weather conditions in a place over a long period."
- 2. - "Animals and plants that live in nature without being domesticated."
- 3. - "A large, round object in space, like Earth."
- 4. - "To protect something from harm or loss."
- 5. - "To reuse materials instead of throwing them away."
- 8. - "The power used to do work, like light or heat."
- 10. - "A liquid essential for life, found in rivers and oceans."
- 12. - "The planet we live on."