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Why do leaves change colors
 

Why do leaves change colors

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    Why do leaves change colors Why do leaves change colors Presentation Transcript

    • Why Do Leaves Change Color in the Fall?
      Created by: Jessie Kraai
    • In the Spring and Summer days are long and nights are short therefore, there is more sun to help trees grow.
    • In the Fall, the days become short and the nights become long.
    • Chlorophyll is what makes leaves green. It helps the leaf use sunlight to feed itself.
    • In the Spring and Summer, chlorophyll is always being made and broken down which keeps the leaf healthy and green.
    • As the night becomes longer, chlorophyll is not able to process as quickly and is eventually destroyed.
    • When the Chlorophyll is gone, the other parts of the leaf are able to come out and show their color.
    • And…
    • We get colorful leaves!
    • What COLORSdo leaves change?
    • Oak Trees turn red or brown.
      Hickory Trees turn golden bronze.
      Beech Trees turn light tan.
    • Aspen Trees turn golden yellow.
      Dogwood Trees turn purple/red.
      Maples turn many different COLORS!
    • Fallen leaves have many uses:
      They break down and become soil with nutrients for forest grounds.
      They absorb and hold rainfall.
      Food for soil organisms
    • There is to be no worrying about leaves falling off the trees, it is a natural way of life for trees!
    • Work Cited
      Pictures sites in order as seen, all others from clip art:
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      National Geographic Society. (2010). National Geographic. Retrieved October 11, 2010, from
      http://photography.nationalgeographic.com/photography/photo-tips/camera-phone-photos/
      Liquid Chlorophyll benefits the body in many ways (2007, January 8). Retrieved October 11, 2010, from
      http://www.thecambodiafund.org/accessory/hello-world
      Boutin, C. (2009, April 23). Scientists Give a Hand(edness) to the Search for Alien Life. Retrieved October 11, 2010, from http://www.nist.gov/public_affairs/techbeat/tb2009_0421.htm
      SJI International. (2008, July 28). Chlorophyll and Starch in Leaves. Retrieved October 11, 2010, from
      http://sjiiscience.blogspot.com/2008/07/chlorophyll-and-starch-in-leaves.html
      Sheppard, R. (2010, September 10). Fall Colors. Retrieved October 11, 2010, from
      http://www.natureandphotography.com/
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      Ovata, C. (2010, October 11). Grow Native! Plant Detail. Retrieved October 11, 2010, fromhttp://www.grownative.org/plants/info.asp?id=202
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      http://www.lullymoreheritagepark.com/beechtreeblog.htm
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      CT River Coastal Conservation District. (n.d.). Shrubs, Flowers and Tree Seedlings!. Retrieved October 11, 2010, from
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      The London Landscaping Co. (n.d.). Tree Surgeon Notting Hill W11. Retrieved October 11, 2010, from
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      Information site:
      US Forest Service. (n.d.). Why Leaves Change Color. Retrieved October 11, 2010, from
      http://www.na.fs.fed.us/fhp/pubs/leaves/leaves.shtm