Why do leaves change color and fall in autumn?
Leaf's Secret Colors
Why do leaves change color and fall in autumn?
Every autumn, whole forests stage a costume change. Trees that wore green all summer suddenly burst into gold, orange, and red, then drop their outfits all over the ground. It looks like a party. It's actually a very clever survival plan.
First, here's a secret. Those bright autumn colors were hiding inside the leaves the whole time. All summer they were there — yellow and orange — just painted over by something stronger and greener.
