Curated OER
Soil Isn't a Dirty Word
Students investigate the properties of rocks. In this geology lesson, students draw their profile and discuss what a soil profile would look like. Additionally, students demonstrate how to make soil by rubbing two pieces of sandstone...
Curated OER
Necessary Nitrogen
Students view a video that presents the biogeochemical cycle of nitrogen. They compare types of soils and consider how different fertilizers affect soil composition.
Curated OER
Optional Laboratory: Soil Particle Size and Texture
Students work together to perform experiments on different types of soil. They record the soil's pH level, color and texture. They develop hypothesis' on what they believe they will discover before beginning the experiment.
Curated OER
Perkin' Through the Pores
Fourth graders explore different levels of soil. In this soil lesson plan, 4th graders investigate the amount water that can be absorbed by topsoil, subsoil, and bedrock.
Curated OER
How Much is Dirt Worth?
Fourth graders graph the percentages of the materials that make up the Earth and complete computations based on their results. In this topsoil lesson, 4th graders diagram the different layers of Earth's composition.
Curated OER
Nature's Recycling Program
Students identify what materials make up compost. In this science of recycling lesson, students explain the benefits of composting determine how compost is a good plant fertilizer.