more in Experiment Blog

Why Do Leaves Change Color In The Fall?

autumn_chemistryIn many parts of the world, autumn is a time for leaves to turn dramatic bright colors. Most of those spectacular colors of autumn have actually been in the leaves all summer, however they were “covered up” by the dominant green of the chlorophyll. As weather cools, and shorter days settle in, the leaves are no longer able to produce food for the tree. The chlorophyll begins to break down, revealing new and varied color pigments. The brightest colors are seen when late summer is dry, and autumn has bright sunny days and cool nights.

Click on the image to view this handy reference or download it using the link below..

Autumn_Leaves-777x1024

Science Experiments, Experiment Videos, and Science Fair Ideas from Science Bob