1. Carefully pour some milk in a dish so it just covers the bottom. 2. Gently add one or two drops of red, blue, and yellow food coloring to the same spot in the center of the milk. 3. Dip a cotton ...

When trying to think of a science fair experiment to perform at home ... Divide the yogurt into four batches. Use food coloring to dye one batch red, one yellow, and one blue.

One way they can do this is to use a process called chromatography. In the activity below, you can try chromatography to separate colors in a mixture of food coloring! Place a coffee filter on a tray ...

It’s really true—science can be fun ... right before their eyes when they combine milk, food coloring, and dish soap for this experiment. Bonus: They can turn their “art” into a permanent ...