Using a brown paper bag, students create a small book that serve as a "tree journal." On one page, they use construction paper and cut-out designs to illustrate the roots; other pages reveal leaves, tree rings, etc. Alternating pages include info students have researched about trees. Check out the link for examples and step-by-step instructions.
This is a first-rate project or fall, and a way to combine research with a cool craft. Try it!