Unit Plan
CK-12 Foundation

Ck 12: Life Science: Seasonal Changes in Plants

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] Have you seen the leaves of plants change colors? During what time of year does this happen? What causes it to happen? Plants can sense changes in the seasons....
Handout
Environmental Education for Kids

Eek!: Why Do Leaves Change Color?

For Students 9th - 10th
Simple, but thorough explanation of fall colors in deciduous forests. Where the color comes from and how trees lose their leaves.