Fill the cup with 200 ml of water. Hold the cup about 12 centimeters above the hill. Once 200 ml has fallen, draw what the pan and hill look like on the activity sheet. Repeat these steps but with the same hill. And record the results after the first rain, second rain, and third rain.
Students gather grass, leaves, sticks and roots.
Pass out a baggie and a cup to each student and two ounces of water in the cup and mark the water line. Tape the cup to the inside of baggie to prevent spilling. Close the baggie tightly and tape it in a warm place, titled on an angle like a diamond. To see the effects of watering seeds with polluted water. Assign different solutions to each group of students.