Chapter 14 Vocabulary

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Across
  1. 4. Moving water from its source to where humans use it, like homes and farm fields.
  2. 5. Water pollution from a distinct source, such as a factory or sewer pipe.
  3. 6. Where surface water soaks into the ground and reaches an aquifer below.
  4. 10. Water that is relatively pure with few dissolved salts.
  5. 11. Disease-causing organisms and viruses.
  6. 14. All of the land area that supplies water to a particular river system.
  7. 15. Any obstruction place in a river or stream to block its flow.
  8. 16. Choosing outdoor plants for landscaping that are adapted to arid conditions.
  9. 17. Soil and rock layers containing spaces/pores that water can pass.
  10. 18. The buildup of salts in the surface layers of the soil.
  11. 19. Sponge-like formations of rock, sand, or gravel that hold water.
  12. 20. Water moving downhill forming a network of connected streams and rivers.
  13. 22. Water pollution that comes from many places spread over a large area.
  14. 23. Excess nutrients that causes sudden explosions of algal growth.
  15. 24. Popular system where wastewater runs through a pipe from the house to an underground tank.
Down
  1. 1. Large lakes that store water for human use.
  2. 2. Water that has been used by people in some way.
  3. 3. A type of algal bloom that produces reddish pigments.
  4. 7. Nutrient pollution by humans that increases the rate of eutrophication.
  5. 8. Water found below Earth's surface.
  6. 9. "Make" fresh water by removing salt from seawater.
  7. 12. Water found on Earth's surface.
  8. 13. Soil and rock layers with few or no pores.
  9. 20. Water that flows over land and has not been absorbed into the ground.
  10. 21. A hole dug into an aquifer to reach groundwater.