Walking Water Rainbow
Easy Steam Activities
Walking Water Rainbow
Materials Needed:
7 Clear Cups
6 Paper Towels (halves)Tap Water
Red, Yellow, and Blue Food Coloring
Create A Hypothesis
Ask your kids to make a hypothesis about what they think is going to happen! Check at the end to see if their hypothesis was correct.
Procedure
Line up your 7 cups in a row so that they are touching.
FILL THE CUPS
Fill cups 1, 3, 5, and 7 to the top with water
DROP FOOD COLORING IN THE ODD CUPS
Leave cups 2, 4, and 6 empty.
FOLD THE PAPER TOWELS
Fold the 6 paper towels hot dog style 2x’s and then hamburger style 1x.
PLACE 1 PAPER TOWEL IN 2 CUPS
Paper towel #1 in cups 1 + 2
Paper towel #2 in cups 2 + 3
Paper towel #3 in cups 3 + 4
Paper towel #4 in cups 4 + 5
Paper towel #5 in cups 5 + 6
Paper towel #6 in cups 6 + 7
Think of this experiment like a plants root sending water all the way to the top of the tree's leaves!
Ask your kids to think of other places where you see a rainbow!
When light refracts through water, the result is a rainbow!
Thanks for reading and if you have any questions leave them in the comments below.
XO, Celeste Wright
