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Water on Earth Notes

Water on Earth Notes. p. 58. I. Distribution of Earth’s Water. 97% salt water (oceans) 3% fresh water. (Only 3% of Earth’s water is fresh water). (But not all that water is usable!!!). II. The Water Cycle. Evaporation – Water goes from liquid to gas

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Water on Earth Notes

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  1. Water on Earth Notes p. 58

  2. I. Distribution of Earth’s Water • 97% salt water (oceans) • 3% fresh water

  3. (Only 3% of Earth’s water is fresh water)

  4. (But not all that water is usable!!!)

  5. II. The Water Cycle • Evaporation – Water goes from liquid to gas • Condensation – water vapor in air cools and turns into liquid, forms clouds • Precipitation – Water falls (rain, snow, hail, sleet)

  6. III. River basin/watershed • Region of land where water flows into a specific body of water

  7. Broad 1. Our river basin = ___________

  8. Comprehension Check

  9. 1) More than 97% of Earth’s total water supply is found in • Ice sheets • The atmosphere • The oceans • Groundwater

  10. 2) The land area that supplies water to a river system is called a • Divide • Wetland • Watershed • Tributary

  11. 3) Our river basin is the • Catawba • Broad • Cleveland • North Carolina

  12. 4) The total amount of water on Earth is • Decreasing • Fairly constant • Increasing • Depends on the weather

  13. 5) Water that falls to Earth as snow, sleet, or hail is called • Precipitation • Condensation • Evaporation • Transpiration

  14. 5) Water that falls to Earth as snow, sleet, or hail is called • Precipitation • Condensation • Evaporation • Transpiration

  15. 6) Identify the step in which water changes from a liquid to a gas.

  16. 7) Identify the step in which water returns to Earth’s surface from the atmosphere.

  17. 8) Which steps above involve a change of state?

  18. 9) Where on Earth does the most evaporation occur and most precipitation fall? • Land • Ocean • Rivers • Underground

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