Tree House Weather Kids Helps young people understand such things as why the weather changes, how we predict the weather, and how weather causes great destruction.
Knowing Your World Lessons and activities designed for 4th & 5th graders to learn about acid rain, global warming, water resources and other environmental topics.
Animals Past and Present Lessons for elementary students about what happened to dinosaurs, and what animals lived in Illinois 65 million years ago, 10 million years ago, and today.
