Across
- 3. A very large area of salty water, like the Atlantic or Pacific.
- 7. The star that gives us light and warmth.
- 8. The liquid we drink and find in rivers, lakes, and oceans.
- 9. To make something less in amount.
- 10. Animals and plants that live in nature.
- 12. Living creatures, like dogs, cats, birds, fish.
- 14. Air that moves.
- 15. Large plants with a trunk and branches that produce oxygen.
- 17. A large area with many trees.
- 19. Turning old things into new things so they can be used again.
- 21. The weather in a place over a long time.
- 22. The ground where plants grow.
- 23. Our planet where we live.
Down
- 1. Harmful substances in the air, water, or ground.
- 2. To use something again instead of throwing it away.
- 4. The gas we breathe.
- 5. Water that falls from the sky in drops.
- 6. To become bigger or more developed.
- 11. Living things that grow in the ground, like flowers, trees, bushes.
- 13. Everything around us: trees, animals, mountains, rivers.
- 16. Power needed to do things, like light and movement.
- 18. Things we throw away because we don't need them anymore.
- 20. To look after something or someone; to take care of.
- 21. Free from dirt; not dirty.
- 22. To protect something so it can be used in the future.