Across
- 2. all living and nonliving in a place
- 4. the layer of earth we are stonding on
- 6. it but keeps its same elements
- 8. a lot of one species
- 9. turning a liquid into gas
- 11. making a liquid into a solid
- 13. oxygen enters a object and changes it
- 14. turning a solid into liquid
- 15. to fold or twist
Down
- 1. makes a new substance
- 3. oxygen and more elements stored in a layer in space
- 5. snapping or destroying
- 7. a thing made out of two or more elements
- 10. something not living
- 12. something living