National Park Service
The Secret of Life
Dead trees provide nutrients for the soil, food for animals, protection and a home for organisms, a seed-bed for new trees, and a place for nitrogen-fixing bacteria to live. In the activity, pupils collect decaying logs, expose them to a...
American Farm Bureau Foundation for Agriculture
My Miniature Greenhouse!
Here is an activity that will peak your super scientists' interest and knowledge of greenhouse gardening. Green thumbs flourish when they build, prepare, take care of, and observe their seedlings inside a miniature greenhouse. With...