What Tree is it?
http://www.inspire.net/trees/
From the Inspire webpage.  Includes 170 Midwest trees with full color pictures.  Trees can be identified by leaf, by fruit, or by name.

Collecting Autumn Leaves
http://www.kidzone.ws/plants/collection.htm
Includes templates that can be used for leaf collection.

If Trees Could Speak, What Would They Say?
http://askeric.org/cgi-bin/printlessons.cgi/Virtual/Lessons/Language_Arts/Writing/WCP0206.html
Language Arts lesson plan. (Grades 3-6)

Leaf Math
http://www.mathcats.com/grownupcats/ideabankfallmath.html#leafmath
Lots of ideas to use with fall leaves. (Grades K-5)

A Reason For the Season
http://www.nationalgeographic.com/xpeditions/activities/07/season.html
Become a season sleuth. Learn the long and short of the changing of the seasons, and then test your knowledge with a cosmic map. From National Geographic, includes activities adaptable to any grade level. (Grades K-12)

Why do Leaves Change Colors?
http://slisweb.lis.wisc.edu/~heather/fall.html
Comprehensive and informative site with lots of photos. (Grades 4-8)

Season of Color
http://www.riverdeep.net/current/2002/09/092302_fall.jhtml
This site explores the changing season.  Includes fall poetry and language arts activities.  (Grades 3-8)

Science Made Simple: Why do Leaves Change Colors in the Fall?
http://www.sciencemadesimple.com/leaves.html
Background text on why and how leaves actually change color and how plants prepare for winter.  This site also offers quizzes, simple word puzzles, and easy activities to illustrate the science behind the colorful fall season. (Grades 2-5)

Interactive Seasons
http://kids.msfc.nasa.gov/Puzzles/Fill-in/AutumnalEquinox.asp
This NASA site tests your students’ knowledge about the seasons with interactive pull-down menus. (Grades 3-8)

Autumn Leaf Scrapbook
http://mbgnet.mobot.org/sets/temp/leaves/index.htm
An online identification guide and a leaf glossary.

Autumn Clip Art
http://www.clipsahoy.com/weather/autumn.htm
Fall clip art to use in newsletters, reports, etc.