Curated OER
Habitat Survey
Students observe a local habitat. They stake out a survey site with string and collect samples for their soil separation and Tullgren funnel tests. In addition, they analyze collected data.
Curated OER
Soil Analysis
Students examine zip lock bags of clay, silt, and sand to determine its origin. They rotate through stations to compare different soils and perform oil separation and Tullgren funnel tests.