Examine the AP® topics of soil and soil dynamics, focusing on the properties of composition, permeability, macronutrients, and ion exchange. Exercises provide a fun and active way to add an inquiry-based lab to your curriculum. Using comparative analysis with the clay and sand specimens provided, students hypothesize on the productivity of their unknown sample. Easy-to-use kit contains equipment and materials for a class of 24 to test locally collected student soil samples. Kit is reusable with the Replacement Set.