The Water Cycle
The Water CycleEvaporationSun heats waterLiquid water changes  to gas (vapor)Water vapor riseswith warm air
Humidity                            Warm Air   Cold Air   Amount of water    vapor, or moisture in    the air   Changes ...
Measuring Humidity   Hygrometer is used to    measure the amount    of water vapor in the    air.
The Water Cycle               Condensation             Water vapor cools             Tiny water droplets              or...
The Water Cycle    Precipitation   Air can’t hold up      heavy water     droplets or ice        crystals   They begin t...
The Water Cycle   All the different forms of water that    fall from the sky.
PrecipitationThe air temperature determines the form of                precipitation.
Types of PrecipitationRain      Liquid      Air temperature above 32 degrees FahrenheitSnow      Solid      Air temper...
Measuring PrecipitationRain gauge   Open container that    collects precipitation   Scale on side of    container shows ...
The Water Cycle          Runoff   Water that does not    soak into the ground   Runs downhill into    puddles, streams, ...
Review of the Water Cycle
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Watercycle

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Watercycle

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

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