Fresh and Saltwater Systems

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Across
  1. 6. the zone that extends into the deepest parts of the ocean
  2. 7. this is a major indirect water use
  3. 10. water dissolves limestone in rocks, causing cracks and holes
  4. 11. waves cause erosion of this
  5. 16. a stream profile is a description of this
  6. 17. rock fragments and soil that are transported by wind or water
  7. 18. water particles in waves move in this way
  8. 19. add thermal pollution and dangerous chemicals to water that can cause tumours, birth defects, and sterility
  9. 20. high land that determines the direction that the water flows
  10. 22. total amount of all salts dissolved in water
  11. 23. this kind of change happens every year
  12. 26. contains large amount of oil and salt that washes into a river or stream
  13. 27. this causes water to move swiftly and straight when flowing down hill
  14. 29. a group of organisms of the same species that live in the same place
  15. 31. sediments that are deposited at the mouth of a river
  16. 33. the shallow areas around the edge of the continents
  17. 36. wearing away and transporting of materials
  18. 38. these form where two oceanic plates are moving away from each other
  19. 41. where a river or stream originates
  20. 42. amount of sediment and organic material that a river or stream can carry
  21. 44. glacial meltwater formed tunnels under the glacier that filled in with sediments
  22. 45. most of the world's water is here
  23. 46. the chemical in fertilizer and sewage that can cause algae to grow excessively and cause an algal bloom
  24. 48. a physical characteristic or behaviour that increases the species' chance of survival
Down
  1. 1. underwater volcanoes
  2. 2. this causes waves to form
  3. 3. large curves in a river
  4. 4. one of the items that water is tested for
  5. 5. tides are caused by this (5 words)
  6. 8. teardrop shaped hill formed by a glacier
  7. 9. this is the major direct water use
  8. 12. describes how pure the water is
  9. 13. water that contains high concentrations of calcium and magnesium
  10. 14. one way to purify water by forcing salt water through a filter with holes that salt cannot fit through
  11. 15. all the area of land that drains into one main lake or river
  12. 20. carries either warm or cold water and wind towards and along land
  13. 21. glaciers that cover vast areas of land
  14. 24. the ocean zone that extends along the shoreline
  15. 25. theory that states that the surface of Earth is dividing into huge moving plates
  16. 28. glaciers that flow in the valleys between mountain peaks
  17. 30. daily change in water level
  18. 31. solution is boiled, until water evaporates and leaves salts behind. One way to purify water
  19. 32. water that is safe to drink
  20. 34. another name for the lake zone where there is no plants, but light can still penetrate the water
  21. 35. most of the world's freshwater is found here
  22. 37. to observe, check or keep track
  23. 39. laying down of sediments
  24. 40. flat land around river that floods when the river overflows
  25. 43. large variety of different kinds of species living in an ecosystem
  26. 47. average weather measured over a long period of time