Unit E Crossword

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Across
  1. 3. large moving body of ice which can be many metres or even kilometres thick
  2. 4. this water activity contains fertilizers from farmlands that can cause excessive plant growth
  3. 8. this water contains a high concentration of the minerals calcium and magnesium
  4. 9. process in which the Earth's surface is worn away by the movement of water, glaciers, wind and waves
  5. 13. this type of weathering involves changes that some substances can cause in the surface of the rock that makes it change shape or color
  6. 14. type of weathering that involves the breaking of big rocks into little ones
  7. 16. characteristics used to describe a stream or river which involves volume, rate of flow, slope and shape of bed
  8. 18. this word means "carried by water"
  9. 19. this solution operates by forcing salt water through a filter or membrane with holes too small for the salts to pass through
  10. 21. physical characteristic or behaviour of an organism that increases its chances of survival in a specific environment
  11. 22. circular movement of water particles that causes a change in pattern that moves along the water's surface
  12. 24. the total amount of salts dissolved in water
  13. 25. eroded rock fragments and soil carried by water or wind
Down
  1. 1. water that is safe for humans to drink and there is only about 0.003% of this on Earth
  2. 2. description of the variety of different species in an ecosystem
  3. 5. water that falls on the ground such as hail, snow and rain
  4. 6. one of the techniques used for producing fresh water from salt water that involves boiling water so that the water evaporates and leave the salts behind
  5. 7. stream of water that moves within a large body of water
  6. 10. daily change in water level of the oceans
  7. 11. area of land that drains into one main lake or river
  8. 12. geological process in which sediments, soil and rocks are joined to landform or land mass
  9. 15. 77% of the water on Earth is _______
  10. 17. highest point of land on a continent
  11. 20. _______ contains large amounts of nitrogen, which causes the number of micro-oganisms to increase
  12. 23. average weather measured over a long period of time