Across
- 4. Chemicals used to kill pests.
- 6. layer A layer in the Earth's atmosphere that protects us from UV rays.
- 10. Coloring substance
- 15. The surroundings in which an organism lives
- 16. habitat Where animals live in their natural surroundings.
- 17. eruption A sudden release of volcanic material.
- 18. Repair or fix.
- 19. Trash left in public places.
- 21. Contaminate or make dirty.
- 23. energy Energy derived from natural resources
- 27. dioxide Greenhouse gas released by burning fossil fuels
- 29. Trash or garbage
- 30. A prolonged period without rainfall.
Down
- 1. Chemical used to kill unwanted plants
- 2. Device that converts kinetic energy into electricity
- 3. ice caps Ice formations that are melting due to global warming.
- 5. Destruction of forests.
- 7. A substance that expands with air or gas.
- 8. out Exhausted or no longer functional
- 9. Shaking of the ground caused by tectonic movements
- 11. species Species at risk of extinction.
- 12. Break down into simpler substances
- 13. fuel Natural gas, coal, and oil are examples of this.
- 14. rain Rainfall with a pH less than 5.6
- 20. A material that doesn't break down easily.
- 22. A large hole in the ground where waste is disposed.
- 24. No longer in existence.
- 25. A violent snowstorm.
- 26. A building material often made from cement.
- 28. A lightweight metal used for various applications.