National Wildlife Federation
Soil Decomposers
The class studies the soil food web that includes earthworms and conduct four experiments using the crawly critters. Individuals determine whether earthworms are sensitive to light, touch, temperature, and acid.
National Wildlife Federation
Habitat Web
Young scientists weave together an understanding of ecosystems with this fun collaborative activity. Taking on the roles of different living and non-living elements of specific habitats, learners use a ball of yarn to create the web of...