Moving Liquids

Moving Liquids

What you need:

  1. Cups
  2. Paper towels
  3. Water
  4. Food coloring

How to do it:

  1. Fill 2 cups half way with water.
  2. Put a few drops of blue food coloring in one cup and yellow in the other cup.
  3. Take a twisted paper towel and place it in the blue water and the empty cup.
  4. Take another twisted paper towel and place it in the yellow water and the empty cup.
  5. Let sit for a few hours.
  6. The center cup will have water in it and will be green. (When you combine yellow and blue it makes the color green.