Across
- 1. earth
- 5. the area around us
- 8. garbage on the ground
- 9. outside
- 11. what Earth is
- 12. lots of trees together
- 13. two species that work together to benefit one another; think whale and small fish
- 14. plants do this; using sunlight to change carbondioxide into nutrients and giving off oxygen
- 16. lots of water here; alligators, crocidiles and snakes live here
Down
- 2. a layer of gasses above the earth; protects us from the sun's heat
- 3. to take action to protect something or someone
- 4. to protect something (animal or plant)
- 6. to give up your time to do a job and do not get paid
- 7. where it is wet and moist all the time; lots of animals and plants live here
- 10. you drink out of it; windows are made of it
- 15. where animals and plants are protected