To do this, squeeze the top of the eye dropper and then put the tip of the dropper in one of the compartments of water. Start by putting some red in one of the clear water compartments. Now add another color to the red. Try mixing some other colors in the clear water compartments. What's Happening The primary colors of blue, yellow and red are mixed together in different combinations to make all the other secondary colors.
More Challenges Use an eye dropper and colored water to make a picture on a white paper towel.
Put the left over colored water in a jar, add a stalk or celery or a daisy and see how the water travels through a plant. Gryphon House, Inc., 1987.