Across
- 2. all life
- 5. landform that rises above it surroundings
- 6. all rock
- 7. tiny droplets in Earth's atmosphere
- 9. a solid shape
- 11. important heat trapping gas
- 15. oxygen
- 16. frozen water
- 17. all water
Down
- 1. the crust of the earth
- 3. a gas we breath
- 4. all gasses around earth
- 8. a type of matter more rigid than a gas
- 10. to do work
- 12. 3rd planet in the solar system
- 13. h20
- 14. a natural power that exerts