Across
- 3. Wild animals
- 4. Animal that lives in water
- 5. Ground where plants grow
- 6. White mass in the sky
- 7. Black liquid fuel
- 9. Water falling from the sky
- 12. Heat and flame
- 14. Colorful part of a plant
- 16. Rising and falling of sea water
- 18. Gas we breathe in
- 19. Dirty air, smoke + fog
- 20. Existence of living beings
- 21. Tall plant with trunk and branches
- 24. Color of nature
- 27. Things thrown away
- 30. Very large sea
- 33. Plant’s beginning stage
- 34. Household waste
Down
- 1. Green plant that covers the ground
- 2. Small grains on the beach
- 4. Energy source for cars
- 5. Large body of salt water
- 6. Short for carbon, causes pollution
- 8. Frozen water
- 9. Use again, not throw away
- 10. To keep safe or to use less
- 11. Green part of a plant
- 12. Land covered with many trees
- 13. Part of plant in the soil
- 15. Layer that protects Earth from UV
- 17. A body in space, like Earth
- 22. Short for ecology, eco-friendly
- 23. Our planet
- 25. Hard solid from the ground
- 26. Flowing water to the sea
- 27. Moving air
- 28. Star that gives light and heat
- 29. Power used for life
- 31. Opposite of dirty
- 32. Liquid essential for life