Why Do Leaves Fall Off Trees?
During that process, the trees lose a lot of water – so much water that when winter arrives, the trees are no longer able to get enough water to replace it.
And so now we know. Leaves fall—or are pushed—off trees so that the tree can survive the winter and grow new leaves in the spring
You could build a binocular, then go on a scavenger hunt to find all the different color leaves!