Outstanding interactive tutorial developed by the University of Illinois Extension. I have broken it into the following sections for use in my instruction. Check out their other Just for Kids learning activities.
Specific Pages for Extension Activities/Assignments
from Exploring the Secret Life of Trees
Mystery Plants - Pioneer Intermediate Student Project Pages
Science/Tech: Plant and Tree Studies - Courtyard Watch - Why Do Leaves Change Color in the Fall? - Images from Science: An Exhibition of Scientific Photography (click on "The Photographs) from the School of Photographic Arts and Sciences at Rochester Institute of Technology, Rochester, NY.
Trees of the Pacific Northwest - Tree identification page at Oregon State University. Try out the Mystery Tree game by identifying a tree specimen with the dichotomous key.
Plant Process WebQuest - Did you know that you eat leaves, roots, and seeds? Become a plant detective and solve the mystery of what we eat. The plant process is a second grade unit on the adaptations and life cycles of plants.
Life Cycle of a Plant - Flash movie with interactive activities – can be downloaded for Windows
The Web of Life - by Defenders of Wildlife - The Web of Life is a story told by a common garden spider. There are all sorts of creatures in the wild, and they each play their role in the web of life.
Explore the Fantastic Forest @ National Geographic - Here you’ll encounter a variety of habitats—places perfectly suited for particular plants and animals. These are important parts of the forest—and our environment. Think of them as pieces of a global jigsaw puzzle.
Trees - Project Dragonfly's Tree section is full of interactive adventures to explain why trees have different shapes, how squirrels help oak trees to survive, how trees spread their seeds, and how trees protect their space. Project Dragonfly is a collaborative effort at Miami University (Oxford, Ohio) started with funding from the National Science Foundation.
Tree Identification - Easy-to-use key to identify trees according to their characteristics.
Great Plant Escape - Join Detective "Le Plant" and help him unlock the mysteries of plant life. Learn all about plants including their structure, life cycle, and parts. You can also find out how to grow different plants and do experiments with them. Each of the six lessons in this program is interdisciplinary, designed to introduce students to plant science and increase their understanding of how foods grow.
Sammy's Saguaro Scrapbook - An award-winning interactive site about the saguaro cactus. When you are done learning, try out the quiz at the end!