Students test soil composition and texture using simple reagent tablets in the Topsoil Tour.
- Students collect local soil samples
- Five tests for soil composition and texture
- Material for 50 students
- Simple reagent tablets
The Topsoil Tour is an investigation into the physical and chemical properties of soil. Each student on the Topsoil Tour completes seven units while conducting his/her own soil tests for soil texture, pH, nitrogen, phosphorus, and potassium using safe, simple TesTabs® reagent tablets.