Across
- 3. – The planet we live on
- 4. – A large space object like Earth where we live
- 7. – A large area full of trees and wildlife
- 8. – A color that represents nature and the environment
Down
- 1. – The invisible gas we breathe every day
- 2. – Using old materials to make new products again
- 5. – A plant that produces oxygen and helps clean the air
- 6. – A natural liquid that all living things need to survive