Curated OER
Environment: Erosion Boxes
Fourth graders discover how the processes of erosion and weathering alter the physical characteristics of the environment. In a student log,they record the various types of erosion and list ways to prevent it. Using clear, plastic...
Curated OER
Erosion: Slip Sliding Away
Fourth graders investigate the causes of erosion. Through several demonstrations including one using sugar cubes and warm water, they observe the effects of erosion. In groups, 4th graders conduct similar experiments and record their...