Stained Enamel Egg-Speriment!

Did you know that sports drinks can dye your teeth blue, green, or red? The acidity from these drinks can weaken your tooth enamel—that’s the hard outer part of your teeth—and make them more prone to staining. Yikes! In this video, kids will learn what happens when an egg dyed with a blue sports drink and an egg dyed with coffee get scrubbed with fluoride toothpaste.

Discussion Questions

What does the acidity from a sports drink do to your teeth?

How many times a day should you brush your teeth?

Is it a good idea to brush your teeth after drinking fruit drinks?

Supplemental Worksheet

There are many drinks that can stain your teeth. Try this experiment to see what happens when you soak an egg in these different liquids.