Across
- 4. the zone that has the water table on top
- 7. eroded soil, chemicals that runoff pavement, fertilizers
- 9. the process of supplying water to areas of land to make them suitable for growing plants
- 13. fresh water in rivers, lakes, and ponds
- 14. plants give off water into the atmosphere in this process
- 16. they are smaller than lakes, light can reach the bottom which allows plants to grow throughout
- 17. an underground layer of rock or sediment that holds water
Down
- 1. the step in the water cycle in which impurities are left behind
- 2. the process in the water cycle where clouds form
- 3. if I dig a well down to the water table, I will run out of water and need to dig
- 4. a type of wetland that looks like a flooded forest
- 5. water in the sky needs this to condense on and form clouds
- 6. source where you can identify where the pollution originated
- 8. where about 3 percent of the Earth's water is
- 10. where more than 97 percent of Earth's total water supply is
- 11. a place where fresh water mixes with salt water and a lot of sea life is born
- 12. they help control floods, clean the water, and many species live
- 15. the percent of total water supply that the entire world depends on to stay alive
- 16. the scale that measures a substance as acid or base
