Across
- 2. the source of a river
- 5. streams that feed into larger streams
- 6. vegetation bordering bodies of water
- 8. water cycle,liquid becomes gas
- 9. formed when groundwater dissolves rocks
- 10. elevated land that separates River systems
- 13. long periods without substantial rainfall
- 14. largest river system in North America
- 16. water cycle, water falls from the atmosphere
- 17. most common form of freshwater on Earth
Down
- 1. all water on Earth
- 3. ground sinks due to overpumping groundwater
- 4. River that carved the Grand Canyon
- 7. underground rock structure that stores water
- 11. the total volume of water in a river
- 12. groundwater that flows to Earth's surface naturally
- 15. the end of a river
