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Precipitation

Precipitation. 5 Different Types and How They Form. Objectives. Students will be able to identify 5 different types of precipitation Students will learn how each type of precipitation forms

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Precipitation

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  1. Precipitation 5 Different Types and How They Form

  2. Objectives • Students will be able to identify 5 different types of precipitation • Students will learn how each type of precipitation forms • Students will research different precipitations in specific destinations using various resources such as the internet, almanacs, books, etc.

  3. Rain • Rain is a Droplet of Water • When many droplets combine they get to be too heavy for the air to hold • This is when rain falls to the ground • Where is it raining on this map? • Precipitation Forecast

  4. Hail • Occurs during very intense thunderstorms • Forms from strong updrafts in the storm • Rarely falls when the air temperature is below freezing • How big do you think hailstones can get?

  5. Freezing Rain • Rain that freezes on the surface of the earth • Forms when the air on the surface is below freezing but there is an above freezing layer of the air closely above that • This is the most dangerous type of precipitation • Why do you think its so dangerous?

  6. Sleet • Frozen rain drops • Forms when there is a warm layer of air above a thick subfreezing layer • These raindrops freeze before they hit the earth’s surface

  7. Snow • This occurs when precipitation stays as snow all the way through the sub layers of the atmosphere • What types of activities do you like to do in the snow?

  8. Summary • There are 5 types of precipitation; rain, hail, freezing rain, sleet and snow. Each type has a different way that they form and are all different in their physical characteristics.

  9. Activity • In pairs pick one of the types of precipitation and do research using different sources such as; the internet, almanacs and books in a specific destination, ex. Boston, New York, hometowns, etc. Information should include average falling of your precipitation, worst storms and interesting information. • The pairs will then present their findings to the class

  10. Sources • http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cld/prcp/home.rxml • http://www.usatoday.com/weather/wrain.htm

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