Marine Institute
Water Pollution
Sixth graders investigate the various types of pollutants found in water and ways to help prevent water pollution. Through a hands-on experiment, learners create samples of polluted water by mixing water with vegetable oil, dirt,...
Curated OER
Modeling a Soil Profile
In this soil profile worksheet, students use a cup to create the layers of soil using clay, sand, gravel and dirt. Students label each component as either A, B, or C horizon and the bedrock. They answer questions about their model.