Across
- 6. A big group of trees.
- 8. Dirt that helps plants grow.
- 9. The planet we live on.
- 12. What we breathe.
- 15. Rotting food scraps that help gardens.
- 16. A place to grow flowers or food.
- 17. Tall plant with a trunk and leaves.
- 18. To keep something safe.
- 19. Everything outdoors like trees and animals.
- 20. Animals living freely outside.
Down
- 1. The world around us.
- 2. Things we throw away.
- 3. What plants and people need to live.
- 4. A home for animals.
- 5. To make something not dirty.
- 7. Turn old things into new things.
- 10. To put seeds in the ground.
- 11. Energy that comes from the sun.
- 13. To be kind and caring toward nature.
- 14. A color and a symbol for Earth Day.
