LS1.A: Structure and function

Students will learn to identify and draw the major soil horizons as present in real horizons, describe observable differences among horizons, and explain in general terms how soil forming factors and processes lead to horizon formation and how different horizons form in various soil types.

Could Shewies, a funky bacteria, be a sustainable future clean energy source? This lesson provides an overview of the electrical current created by "Shewies" and how you can use a MudWatt to create a Microbial Fuel Cell.

This is a simple method to estimate the percent of sand, silt, and clay in a soil and determine it's texture.

Students will understand how soils help grow healthy plants, and the various ways plants help maintain healthy soils (including adding organic material and roots creating pore spaces).

Students will understand the issues that can affect soil health and reduce fertility, biodiversity, and/or overall soil health.

his activity uses a qualitative nitrate test to observe results of some conversions and transformations in the nitrogen cycle.