I always found textbook explanations for autumn's changes too hard and sciencey. I want something more straightforward, that doesn't require me to entertain concepts that are outside the scope of my immediate experience and puny knowledge. Now here at last is an answer I can wrap my brain around!
Here where I live, the fall colors have hung around unusually long this year. We've had blazing reds and oranges right through the middle of November. The leaves are just now entering the fully baked stage. (Yum!)
Remember, science doesn't have to make your brain hurt. Visit the site below, chock-full of science lessons that a child could understand "for when the facts are too confusing."