- 10 clear plastic cups
- marker
- tablespoon measuring spoon
- imitation vanilla
- water
- Label the cups 1 through 10.
- Put 2 tablespoons of vanilla in Cup 1.
- Fill Cup 2 with 1 tablespoon of the liquid in Cup 1, plus 9 tablespoons water. Stir.
- Fill Cup 3 with 1 tablespoon of the liquid in Cup 2, plus 9 tablespoons water. Stir.
- Continue in this manner until all 10 cups are filled.
- Use a white piece of paper as a backdrop. How far can you see the color? Now smell each cup. Begin with Cup 10.
Which cups smelled like vanilla?