In this classroom activity, students will show how soil composition affects the amount of water the soil holds. They will test sand and soil independently and then create their own mixture.

For this activity, students test the percolation rates of water passing through different soil compositions.

Students conduct an experiment to determine how varying the composition of a construction material affects its strength. They make several adobe bricks with differing percentages of sand, soil, fibrous material and water. They test the...