Young scholars examine how erosion is affected by the composition of the soil and the slope of the land. They look at plant roots, rocks and land slope as experimental factors. They complete the associated worksheets before discussing...

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...

Fourth graders construct a model of Indiana which displays the effects of the glacial period on the state's physical structure. Students work in groups to plan and execute their model based on an established rubric.

Fourth graders create a model of the formation of Indiana by glaciers. Working in groups with appropriate materials, they create a model documenting how glaciers moved through the land and formed the geological structure and land masses...