Curated OER
Chapter 3 ~ Physical Properties of Soil
Though information-packed, this presentation on soil is drab if it stands alone. As you journey through slides about soil texture, make sure to pass around samples of each type. Perform demonstrations as you lecture on soil density and...
Curated OER
What Kind of Garden Would Grow in Our Schoolyard?
Students perform soil tests for pH, nitrogen, phosphorus, potassium, composition and water percolation rate and assess the conditions in the schoolyard.
Curated OER
Fall of the Leaning Tower
Students participate in a hands-on experiment with different soil structures and the ability of each to carry a specific load. Students take a core soil sample and describe its content layers. Students stand bricks in the soil overnight...
Curated OER
Soil Structure
Sixth graders examine how different soils are made up of varying proportions of clay, silt, and sand. They compare soil samples, conduct Internet research, and create a model to demonstrate the relative sizes of grains of clay, sand, and...