This item can only be shipped to schools, museums and science centers
Refill reagents for the Topsoil Tour Kit (FB0592).
The seven units of the Topsoil Tour enable students in grades 4 through 8 to examine, discover, and compare the physical and chemical properties of soil. Each student conducts tests for pH, nitrogen, phosphorus, potassium, and soil texture using safe, simple reagent tablets. Each unit includes lecture materials, reproducible handouts, test procedures, record sheets, and summary games and puzzles. A comprehensive, fun and educational introduction to soil science. Materials supplied for up to 50 students working individually.