As the nights get longer, the leaves begin to change color. Explain the different ways we can use or enjoy leaves. Fall Coloring Pages - Worksheets Lessons And Printables Fall Kindergarten Fall Coloring Pages Autumn Teaching Ideas We learned that in the spring and summer when the leaves are making food, they are green because of the chlorophyll. Why do leaves change color in the fall kindergarten . What do animals do in fall? If a plant has enough anthrocyanins, the purple will block out the green color even though the chlorophyll is still there. Changes in these weather conditions can play a role in how early the leaves change and how long they keep their beautiful colors. Objectives for a preschool leaf unit. Places that are cloudy, damp or warm won’t see the same degree of changing color. The factors that affect leaf colors are pigments, amount of daylight, and weather. It's beautiful and fun, but what makes. For example in maple trees the bright red that s...