How do different types of ground cover influence erosion? Objective Students will be able to: • Investigate why ground cover is of primary importance in reducing the rate of erosion in a natural environment. • Create a model that shows the role of vegetation in retarding (slowing down) erosion and preserving the water table. • Research local flooding events. Background This lesson plan is part of Work House, a Glacier National Park Science and Indian Education Program. It can be done as a stand alone lesson and activity or as part of the larger Work House Program. Be familiar with erosion and Duration: 60 Minutes Essential Question How do different types of ground cover influence erosion? Objective Students will be able to: • Investigate why ground cover is of primary importance in reducing the rate of erosion in a natural environment. • Create a model that shows the role of vegetation in retardin.