Across
- 2. means too much water
- 6. level of water in the cracks in rock below the ground
- 11. formed by glaciers from the ice age
- 12. _______ water is unusable because it has too much salt
- 13. supercontinent that scientists believe existed over 200,000,000 years ago
- 15. water found below the ground
Down
- 1. place where rocks are bent into bends
- 3. occurs on the ocean floor
- 4. liquid rock that comes to the surface when a volcano erupts
- 5. cause by chemical processes
- 7. one phase of water in the water cycle
- 8. ______ energy makes water evaporate and become gas
- 9. causes trenches
- 10. thick mass of ice
- 14. one of earths four sides
- 16. the movement of surface material from place to place
