By constructing a watershed model and identifying watershed features in it, they discover how water erosion changes the landscape. As with most watershed modeling activities, this one is costly in terms of time and materials. It is,...

Mother Nature's Gravel Company is open for business! The unit includes four lessons covering weathering and erosion. Experiments are simple to complete and young geologists compare notes to see who makes the biggest ice...

The second of a three-unit lesson plan, this focuses on how human-made structures affect watersheds. Using watershed models that were built during the first unit, junior geologists now place buildings, dams, or levees into the models and...

Show the class the world as they've never seen it before—from way above! Learners try to unravel the mysteries presented by rich satellite imagery, learn to interpret topographic maps, and study erosion by constructing their very...

Students explore the topics of ocean water salinity, ocean life zones, marine life classification, and ocean food chains. They observe demonstrations, conduct experiments, complete quizzes and handouts, and analyze key vocabulary.