Tic Tac Toe Crossword Puzzle

4. A shoreline area where fresh water from a river mixes with salt water from the ocean.
6. A form of nutrient pollution.
7. a flow of water from the ground at a place where the surface of the land dips below the water table.
9. An increase in nutrients in a lake or pond, occurring naturally or as a result of pollution, which causes increased growth of algae.
12. The continuous movement of water on Earth, through its atmosphere and in the living things on Earth.
17. Pollution with a widely spread source that can’t be tied to a specific point of origin.
18. Allows substances to easily pass through.
19. A system that uses underwater sound waves to measure distance and locate objects.
21. Areas of land that water drains into when the ground is saturated or impermeable.
22. The vertical movement of deep water up to the surface bringing up nutrients from the deep ocean allowing animals to thrive.
25. The yearly rising and sinking of cold and warm layers in a lake.
26. Does not allow substances to pass through.
27. The amount of salt in a substance.
30. a mass of floating ice that broke away from a glacier

1. An opening in the sea floor from which heated water rises and mixes with the ocean water above.
2. The flat or gently sloping land that lies submerged around the edges of a continent and extends from the shoreline out to the continental slope.
3. Passed in the U.S. in 1972, this law focused regulation on industrial waste and water contamination as well as waste water treatment.
5. table The highest part in the ground that is saturated, or completely filled with water.
8. The entire geographical area drained by a river and its tributaries.
10. The movement of water from the surface to greater depths carrying oxygen down allowing animals to thrive.
11. Water that contains dissolved salts and other minerals.
13. water that collects and is stored underground.
14. A well in which water flows upward to the surface naturally because it is under pressure.
15. Water that is not salty and has little or not taste, color, or smell.
16. pollution Pollution that enters water from a specific source that can be identified.
20. A measure of the clarity of water that depends on the amount, size and composition of suspended matter.
23. A ridge or continuous line of high land from which water flows in different directions.
24. The ratio of the mass of a substance to the volume of the substance. (mass/volume)
28. An underground layer of permeable rock that contains water.
29. The process of removing salt from ocean water.