Curated OER
Erosion in Different Soils
Fourth graders observe and identify the effects of weathering and geological activities. They take part in an excellent hands-on group activity called "Erosion Race," in which each group tries to simulate erosion of soil in the quickest...
Science 4 Inquiry
Let's Get Moving
Rivers top the list of causes of erosion over time. Scholars experiment with wind, water, and ice reshaping sand. They connect the simulations facts about erosion and deposition to understand unique landforms such as the Grand Canyon and...