How to Make DIY Rainbow Walking Water Experiment

Step-by-Step Instructions

1. 1

   Arrange six clear cups in a straight line.

2. 2

   Fill cups 1, 3, and 5 with water. Leave cups 2, 4, and 6 empty.

3. 3

   Fold a paper towel lengthwise multiple times to create a sturdy strip.

4. 4

   Place one end of a folded paper towel into a cup with colored water and the other end into the adjacent empty cup.

5. 5

   Continue creating these paper towel bridges between all adjacent cups (cup 1 to 2, cup 3 to 4, cup 5 to 6).

6. 6

   Add red food coloring to the water in cup 1 and mix thoroughly.

7. 7

   Add yellow food coloring to the water in cup 3 and mix thoroughly.

8. 8

   Add blue food coloring to the water in cup 5 and mix thoroughly.

9. 9

   Observe as the colored water travels up the paper towels and into the empty cups, mixing to create new colors and a rainbow effect.

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