Why Do Leaves Change Color?
Explore the science of fall with Cassie, then keep discovering with hands-on activities!
Watch & Learn
Join Cassie as she discovers why leaves turn red, orange and yellow in fall.
Play & Explore
Keep the learning going with Cassie’s free leaf science activity pack.
Leaf Science Activity Book
Find out what a leaf is, why leaves look green, and why they change color in fall — with observing, sorting, and prediction activities and optional Grown-Up Science boxes.
Print on standard US Letter paper. Free for personal and educational use.