秋天来了，树叶纷纷往下落，我们便带孩子们去捡落叶，这样既可以认识各种各样的树叶，又可以用来手工制作。孩子们兴致很高，不大一会儿，便捡了一大堆，形态各异，五颜六色，煞是好看。忽然有个孩子举起一片枫叶问：“王老师，为什么别的树叶变黄了，可枫叶却变红了？”我一 Autumn has come, leaves have fallen, we will take the children to pick up the leaves, so that we can recognize a variety of leaves, but also can be used for hand-made. High spirits of children, not a moment later, they picked up a lot, different shapes, colorful, truly beautiful. Suddenly there is a child holding up a maple leaf asked: “Wang, why other leaves turn yellow, Maple Leaf has become red?” I