Science Buddies
Science Buddies: Do Potatoes Regulate the Formation of New Roots?
Propagate potatoes by giving it the right environment for the eyes to sprout.
Science Buddies
Science Buddies: How Do Roots Grow When the Direction of Gravity Changes?
To start this experiment, you should bring all of your materials together on a flat work surface. The surface might get a little wet, so have some paper towels handy.
NC State University
Horticulture Information Leaflets: Overcoming Seed Dormancy: Trees and Shrubs
Good list of examples of how dormancy in tree seeds can be overcome. In the discussion, you'll pick up a fair amount about dormancy in plants.
Colorado State University
Gardening & Horticulture in Denver: Gardening With Children
The section on plant projects for kids has lots of hands-on ideas for studying plant biology. Activities are included for stages from seed germination to growth. Geared more to the younger student.
Hunkins Experiments
Hunkin's Experiments: How to Grow Carrot Leaves
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one...