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 ...

In scientific research, controls are employed as standards. By separating the control from the samples exposed to an experimental condition, such as the introduction of an analyte, the effects of the ...