Curated OER
Dark Days on the Prairie
Students explore U.S. geography by researching agriculture. In this dust bowl activity, students complete a cause and effect worksheet based upon the dust bowls that covered a large portion of Oklahoma and Texas in the early 1900's....
Curated OER
Soil Properties
Students explore the porosity of soil. In this soil instructional activity, students conduct an experiment which shows the porosity of different types of soil. They use sand, silt, and clay to see how soil particles are more or less...