1. Label your three cups water, alcohol, and oil. 2. Add 1 tablespoon of water, isopropyl alcohol, and oil to its labeled cup. 3. Take three M&Ms of the same color and put one in each cup. 4. Swirl ...

The unknown in this lesson is salt water. Remind students to wash their hands after completing the activity. Isopropyl alcohol should be disposed of according to local regulations. All other common ...