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Watercycle slideshare version


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Watercycle slideshare version

  1. 1. The Water Cycle<br />Created by Mrs. McColgan<br />
  2. 2. The Water Cycle<br />Evaporation<br />Sun heats water<br />Liquid water changes to gas (vapor)<br />Watervaporrises<br />with warm air<br />
  3. 3. Humidity<br />Amount of water vapor, or moisture in the air<br />Changes with temperature<br />Warm air holds more moisture than cold air<br />Cold Air<br />Warm Air<br />
  4. 4. Measuring Humidity<br />Hygrometer is used to measure the amount of water vapor in the air.<br />
  5. 5. The Water Cycle<br />Condensation<br />Water vapor cools<br />Tiny water droplets or ice crystals form<br />Get bigger and heavier<br />
  6. 6. The Water Cycle<br />Precipitation<br />Air can’t hold up heavy water droplets or ice crystals <br />They begin to fall<br />
  7. 7. The Water Cycle<br />All the different forms of water that fall from the sky.<br />
  8. 8. Precipitation<br />The air temperature determines the form of precipitation.<br />
  9. 9. Types of Precipitation<br />Rain<br />Liquid<br />Air temperature above 32 degrees Fahrenheit<br />Snow<br />Solid<br />Air temperature below 32 degrees Fahrenheit<br />Hail<br />Solid<br />Formed in clouds<br />Winds carry frozen drops higher<br />Layers of ice are added<br />Repeats<br />Sleet<br />Mixture<br />Air temperature just above freezing<br />
  10. 10. Measuring Precipitation<br />Rain gauge<br />Open container that collects precipitation<br />Scale on side of container shows how much has fallen<br />
  11. 11. The Water Cycle<br />Runoff<br />Water that does not soak into the ground<br />Runs downhill into puddles, streams, rivers, or lakes<br />Then the whole cycle begins again<br />
  12. 12. Review of the Water Cycle<br />
  13. 13. Our Thanks to…<br /><br />