God’s rainbow is His promise to never again use a flood to destroy life on Earth. 

Genesis 9:12-16
And God said, “This is the sign of the covenant I am making between me and you and every living creature with you, a covenant for all generations to come:  I have set my rainbow in the clouds, and it will be the sign of the covenant between me and the earth. Whenever I bring clouds over the earth and the rainbow appears in the clouds, I will remember my covenant between me and you and all living creatures of every kind. Never again will the waters become a flood to destroy all life. Whenever the rainbow appears in the clouds, I will see it and remember the everlasting covenant between God and all living creatures of every kind on the earth.”


Milk Rainbow


Whole Milk
Food Coloring
Dish Soap
Cotton Swab
Deep Dinner Plate


STEP 1: Fill the deep dinner plate with whole milk.

STEP 2: Add drops of different food coloring to the milk. Make sure the drops of food coloring are evenly spaced.

STEP 3: Dip the end of the cotton swab into the dish soap.

STEP 4: Touch the tip of the cotton swab, with dish soap, to the surface of the milk and observe.


The milk contains water, proteins, and fats. Milk is mostly water and has surface tension. Surface tension is a force present within the surface layer of a liquid that causes the layer to behave as an elastic sheet. The dish soap reacts with the fat, in the milk, and reduces the surface tension, creating a milk rainbow.

Milk rainbows are beautiful, but God’s rainbow is not only more beautiful, but an important promise of His everlasting love.

Jason Lindsey – Hooked On Science | Stem Certified Educator, Science Multimedia Journalist, Host, and Freelance MeteorologistFacebook: Http://Www.Facebook.Com/Hookedonscience
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Website: Http://Www.Hookedonscience.Org

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