Unit E Crossword

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Across
  1. 4. Operates by forving salt out og water by pushing it against holes too small for the salt to pass through
  2. 6. Water that is safe for humans to drink.
  3. 7. To observe.
  4. 10. Average water measured over a long period of time.
  5. 11. Stream of water that moves within a larger body of water.
  6. 12. Circular movement of water particles that cause a change in pattern.
  7. 13. Eroded rock fragments and soil carried by water or wind.
  8. 15. Highest point of land on a continent.
  9. 16. how pure the water is.
  10. 18. Amount of dissolved salts in water.
  11. 20. Increases a species chance for survival.
Down
  1. 1. A group of organism of the same species that live together.
  2. 2. Contains a high concentration of the minerals calcium and magnesium.
  3. 3. Description of the variety of different species in an ecosystem.
  4. 5. Rate of water flow and the slope of the streams bed
  5. 8. Technique for seperating solutions that involves boiling and condensation.
  6. 9. The direction the water is moving.
  7. 14. Area of land that drains into one main lake or river
  8. 17. Large moving body of ice
  9. 19. Daily change in water level of the ocean