8th Unit 4 review homework

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Across
  1. 2. things that keep watersheds separate, usually mountains or hills.
  2. 4. area covered with water for all or part of the year.
  3. 6. When too many nutrients enter a small pond or water system and can result in the entire food chain dying.
  4. 7. a land area that supplies a water system.
  5. 8. A smaller river that flows into a bigger one building the watershed.
  6. 9. the amount of light that can pass through a substance without getting blocked.
Down
  1. 1. when particles in water settle to the bottom and build up there.
  2. 3. where a river empties into a larger body of water.
  3. 5. a type of measurement that refers to the number of suspended solids in the water.