Across
- 4. - a harmful material released into the environment.
- 5. Water Act-The Clean Water Act (CWA) is the primary federal law in the United States governing water pollution.
- 6. - holding as much water or moisture that can be absorbed.
- 7. - the movement of cold, nutrient-rich water from deep layers of the ocean up to the surface.
- 9. - the saltiness of a body of water.
- 11. ocean/abyss-Deep ocean water (DOW) is the name for cold, salty water found deep below the surface of Earth's oceans. Ocean water differs in temperature and salinity, with warm, relatively non-salty water found at the surface, and very cold salty water found deeper below the surface layer.
- 17. vent-An opening in the sea floor out of which heated mineral-rich water flows.
- 20. bloom-An extremely rapid growth of algae caused by too many nutrients in the water.
- 21. treatment-Process for enhancing the quality of water so that it meets the water quality criteria for its fitness for the intended use.
- 25. - an area of land that drains into a stream, river, lake, or other body of water.
- 26. - source pollution-Pollution that comes from many places or an unidentified source.
- 28. - all the water found on, above and under Earth's surface.
- 30. - a rock layer that collects and stores water.
- 32. - not allowing fluid to pass through.
- 35. - found in or relating to the ocean.
Down
- 1. - the total amount of metered and estimated non metered, potable and non-potable, water supplied for municipal purposes.
- 2. - the release of an unwanted substance into the environment.
- 3. - a measure of how clear water is.
- 6. - the following of practices that protect Earth's resources.
- 8. Drinking Water Act-The Safe Drinking Water Act (SDWA) is the main federal law that ensures the quality of Americans' drinking water.
- 10. caps-A covering of ice over a large area, especially on the polar region of a planet.
- 12. - allowing liquids or gases to pass through it.
- 13. - the process by which some organisms use the energy stored in chemical bonds to make their own food.
- 14. - water that is not salty.
- 15. - water located below Earth's surface.
- 16. table-The level below which the ground is saturated with water.
- 18. penetration-The different levels light is seen in and below the ocean.
- 19. basin-A part of Earth's surface that is covered by ocean water.
- 22. a measure of how acidic or how basic a liquid is.
- 23. - a place where freshwater from a river meets and mixes with salt water from the ocean.
- 24. indicator-An organism used to monitor the health of an ecosystem.
- 27. oceans-The open ocean is the sunlit top layer of the ocean beyond the continental shelves.
- 29. - a hole drilled into the ground to access water contained in an aquifer.
- 31. - a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
- 33. - source pollution-Pollution that comes from a single, identifiable site.
- 34. basin-A river basin is the land that water flows across or under on its way to a river. Just as a bathtub catches all of the water that falls within its sides, a river basin sends all of the water falling within it to a central river and out to an estuary or to the ocean.