Across
- 3. The Earth getting hotter because of pollution
- 6. A light material used for bottles and bags
- 8. A big building where people make things
- 11. Things we throw away; trash
- 12. Dirty air in a city made of smoke and fog
- 13. A strong material used to make cars and cans
- 14. Something used before by another person
- 15. A large area full of many trees
- 20. To make something dirty or unsafe
- 22. Big changes in weather patterns over time
- 23. Dirty air, water, or land that hurts nature
- 24. When the ground shakes suddenly
Down
- 1. To chop or remove trees (two words in meaning)
- 2. To keep something safe from harm
- 4. Outside, not inside a building
- 5. Things from nature people use (water, trees, oil)
- 7. A body of fresh water surrounded by land
- 9. The world around us: air, water, plants, and animals
- 10. A hard, clear material used for windows and bottles
- 16. How hot or cold something is
- 17. A large, fast fire in nature that burns trees
- 18. Land with farms, fields, and few houses
- 19. To make air, water, or land dirty
- 21. To break or ruin completely