Unit E Crossword Emma Morris

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Across
  1. 5. the variety in an ecosystem of different kinds of species living there
  2. 7. Characteristics- include the rate of water flow and the slope of the stream's bed
  3. 10. purifying a liquid by a process of heating and cooling
  4. 11. Water- water that humans can drink safely
  5. 15. Divide- highest point of land on a continent; rivers flow into different oceans depending on which side of the divide they start
  6. 16. area of land that drains into one main lake or river
  7. 17. streams of water that move within a larger body of water
  8. 18. Water- contains a high concentration of the minerals calcium and magnesium
Down
  1. 1. the average weather measured over a long period of time
  2. 2. the change in water level
  3. 3. a group of organisms of the same species that live in a particular area
  4. 4. a physical characteristic or behavior of a species
  5. 6. eroded rock fragments and soil carried by water or wind
  6. 8. the total amount of all salts dissolved in water
  7. 9. large moving bodies of ice
  8. 12. to observe,check, or keep track of something for a specific purpose
  9. 13. Osmosis- forces salt water through a filter or membrane with holes too small for the salts to pass through
  10. 14. changes in patterns that move along the water's surface
  11. 16. Quality- describes how pure the water is