US Department of Agriculture
The Science of Color in Autumn Leaves
Coupled with a beautiful photo gallery, the National Arboretum sets out to explain the science behind why leaves of deciduous trees change their color in the autumn months. While temperature effects the colors, learn here what happens in...
Other
Catch the Science Bug: Colors in a Leaf [Pdf]
Activity involves collecting leaves to compare green leaves with fall leaves that have changed color. Students will record data on an observation sheet.
Science Fun for Everyone
Science Fun: Changing of the Leaves
Learn why leaves change colors in the fall with this science experiment.
Exploratorium
Exploratorium: Science Snacks: Avalanche
In this activity, pour a salt-sand mixture into a CD case to notice how the particles separate themselves. Observe the effect known as granular convection as the smaller sand particles fall beneath the larger particles leaving a layered...
ClassFlow
Class Flow: Fall
[Free Registration/Login Required] Unit study of leaves and online resources that incorporate science and math for kindergarten.
ReadWriteThink
Read Write Think: I Wonder: Writing Scientific Explanations With Students
Students choose a question to explore, research it using a variety of resources, organize their information on a TCF chart, and then collaboratively write a class scientific explanation.