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...
Other
Schlumberger Excellence in Education Development: The Permeability of Soil
This resource includes an experiment to show where rainwater goes. Discover the different layers of soil and what each layer is made of.
Other
Garden With Insight: Porosity
A good description of soil porosity and how it is measured. There are links to mixing soil, aerating soil, and soil settling with rain.
Science Education Resource Center at Carleton College
Serc: Mn Step: What Happens to Water When It Hits the Ground?
For this activity, students test the percolation rates of water passing through different soil compositions.