Topsoil Tour
ITEM #423t
- Investigate physical and chemical properties of soil
- Each student completes 7 different experiments
- Serves 50 students, grades 4-8
- Non-toxic
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 unit dose TesTabs® reagent tablets.
Tablets and sample test bags for 50 students. Grades 4-8.
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