Across
- 1. cycle Biogeochemical cycle involving carbon
- 2. The Earth itself-rocks, mountains, beaches
- 4. cycle Continuous circulation of water through the hydrosphere
- 5. The sphere that contains life
- 7. change Does not change identity and can be undone
- 9. Contains all the water near or at Earth's surface
- 10. A model that you cannot change and usually involves time as a variable
- 11. Gaseous envelope surrounding Earth that protects us
Down
- 1. system Energy may enter, but matter doesn't leave or enter
- 3. Cycling of water vapor through evaporation and transpiration
- 6. system Both energy and matter can enter and leave freely
- 8. A representation of an object too big, small, or fast to view with the naked eye