During the spring and summer the leaves have served as factories where most of the foods ... As the fall colors appear, other changes are taking place. At the ...
A tree's roots, branches and twigs can endure freezing temperatures, but most leaves are not so tough. On a broadleaf tree ...
Why do leaves change color in Fall? Learn why leaves change color and fall off the trees in autumn. Plus, get great science projects.
Although we don't know all the details, we do know enough to explain the basics and ... The timing of color change and leaf fall are primarily regulated by the ...
In some areas of the world, the weather changes in the fall, making the air turn cold. During this time, many leaves also change colors. Why does this happen?
Many people mistakenly believe that weather makes leaves change color. ... developed different stories and legends to explain why leaves turn colors in the fall.
Oct 6, 2011 ... The splendor of crisp fall days and vibrant leaves brings to mind ... to drought; typically the leaves do not change color before they drop.
Oct 8, 2004 ... Fall foliage delights leaf-peeping tourists, but how does the change in color benefit trees? As scientists explain, there is a reason for the ...