Changing Colors

It’s that time of year again when the temperatures slowly decrease and the leaves flaunt all the brilliant color they have hidden all summer long. We love Autumn for all the bright colors we are treated with as the leaves change, but it’s sometimes easy to overlook what actually causes this process. In the summer the leaves under go photosynthesis which literally means “to put together”. The items the leaves put togetherĀ are water and carbon dioxide which then forms glucose (sugar), the food for the plant. A chemical called chlorophyll helps aid in this process and also gives the leaves their green color. In the fall when we start to see less sunlight and fewer rain showers, photosynthesis stops in the plant and it begins to live off the sugar it has stored all summer. The plant becomes dormant for the winter, much like a bear hibernates until spring. When photosynthesis stops, the chlorophyll in the plant disappears and so goes the green color. This allows all the other colors of the leaves that were hidden by the green to come out until the leaves finally die and fall off the trees. -Greg

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Posted under First Look, sunlight, weather

This post was written by qni_it on September 26, 2012

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