Across
- 4. the third layer in the atmosphere
- 7. mean water
- 8. mean life
- 9. Earth is made up of systems that interact with each other
- 10. means vapor
- 11. all of the gasses surrounding earth
- 13. The last layer in the atmosphere
Down
- 1. all of the rock on earth
- 2. How many layers are in the atmosphere
- 3. the fourth layer in the atmosphere
- 5. all of the water on earth
- 6. The first layer in the atmosphere
- 8. all of life on earth
- 12. mean rock
- 14. the second layer in the atmosphere