Across
- 2. a river's ____ is the amount of water that moves through the river channel
- 5. this is a measure of how easy water can flow through an aquifer
- 6. about 97% of Earth's water is ____
- 7. this determines how much water can seep down into the ground
- 8. this is a measure of the change in elevation over a certain distance
- 9. these are examples of underground water coming up to the surface
- 12. this is where groundwater becomes surface water and happens in a ____ ____
- 13. this is water that does not seep below the earth's surface. it flows together to form ____
- 15. This is one of the things Earth's fresh water is used for
- 18. these are separated from one another by a divide
- 21. this is a smaller stream that feeds into a river
- 23. surface water flows from ____ ground to lower ground
- 25. this is a network of streams and rivers that drains an area of its run off
- 26. what percentage of water in the home is used for drinking, cooking and washing hands (spell out the number)
- 27. this can collect in bodies of water to form surface water
- 28. water found in the spaces between rock particles below the Earth's surface
- 29. almost ____ of fresh water is used for industry
Down
- 1. this stores groundwater and allows it to flow
- 3. ____% of Earth's water is fresh liquid water
- 4. this river is the largest watershed
- 10. materials carried by stream
- 11. water drains through the ____ and filters down into underground rock
- 13. surface water is found in ____, rivers and lakes
- 14. most ____ water comes from groundwater supplies
- 16. this is water above the Earth's surface
- 17. gradient describes the ____ or slope
- 19. this uses 40% of fresh water in the usa
- 20. this is the surface of groundwater
- 22. this is the path that a stream follows
- 24. a watershed is the area of ____ that is drained by a river system
- 26. groundwater is either ____ or it flows underground