Across
- 3. an animal that eats only plants
- 5. turn these off to save electricity
- 8. a place where animals, plants and humans live
- 11. having a wide ranges of animals and plants in a habitat
- 13. an animal that eats plants and meat
- 16. the colour you think of on earth day
- 17. our planet
- 18. trash thrown on the ground
Down
- 1. the weather and the climate changing
- 2. to turn waste materials into new materials
- 4. the earth getting hotter
- 6. harmful chemicals and materials in the air
- 7. to not waste energy
- 9. the month in which we celebrate Earth Day
- 10. to use something again
- 12. when a species dies out
- 14. to use less
- 15. these give us oxygen