Curated OER
Soil Porosity, Moisture Content, pH, and Density
This lab activity does not have to be done with AP environmental scientists. It can also be done with middle to high school earth scientists. The procedures aren't complex. Learners determine the density of dry and wet sand in order to...
Curated OER
Using GLOBE Data to Study the Earth System (College Level)
Students use the GLOBE Website to locate and study environmental data. They use the GLOBE Graphing Tool to display data. Students describe the role of solar energy in the annual fluctuations of soil moisture. They describe reservoirs and...