We did a Science Project for the science fair

Question

How do different liquids (drinks) affect your teeth?

Hypothesis

Different liquids will do different things to eggshells like water does nothing to the eggshell and tea cracked the egg also stained the eggshell.

Materials

we used Chicken eggs, 5 glass jars and bottles of:

* water (bottled)

* iced tea

* 100% Orange juice

* Coke

we Let the eggshells sit for 10+ days and the orange juice has mold the eggshell, also it got disintegrated almost the the whole eggshell.