How does your garden grow? An inquiry-based, organic gardening unit asks young scientists to research a vegetable or flower, create an environment for it, and then plant and tend to the seedling. Gardeners develop their own research...

Trees are the star of a three-step unit celebrating Arbor Day. Step one takes an in-depth look into the structure of a tree, the process of photosynthesis, and the benefits of the leafy giants. Step two challenges scholars to create a...