Across
- 3. all Earth's living organisms
- 6. land that supplies water to a river system
- 8. landform from sediment build up at the mouth of a river
- 9. frozen component of the hydrosphere
- 11. envelope of gases that form the Earth's outermost layer
- 13. hole in the Earth dug to reach a water supply
- 15. water vapor becomes liquid water
- 17. water vapor given off through plants leaves
- 19. the shape of the land
- 21. water molecules change to gas
Down
- 1. Earth's water
- 2. rock and metal forming Earth's mass
- 4. boundary between the land and ocean
- 5. the system returns information about itself resulting in change
- 7. continuous process by which water moves from Earth's surface to the atmosphere and back
- 10. mapmakers determine distances and elevations using instruments
- 11. layers of rock that hold water underground
- 12. landform with high elevation and high relief
- 14. features such as coastlines, dunes, and mountains
- 16. hill of sand
- 18. natural stream of water that flows into another body of water
- 20. water that falls to Earth as rain, snow, hail