How Strong Is Your Tooth Cecilia Wu and Larissa Lo Burnaby South Secondary Floor Location: J93H

The experiment we have chosen for this project is to find the effects of common drinks on the strength of an eggshell. We were inspired to do this because we were curious what really happens inside our mouth when we consume different types of liquids. Especially what would happen to our teeth. To test this out, we placed an egg in 200ml of water, coke, and orange juice, as these are common day drinks that you would find in your refrigerator. We then placed the eggs in the liquids for 7 days recording what happened to them each day. After 7 days, they were taken out and tested to see how many times it would take to fracture the eggshell by using a ramp we made that consisted of a wooden board and a base, where the ramp was placed on a specific height of 2.7 cm. A golf ball was used to roll down the ramp at 10 cm length as we recorded how many times it took for the golf ball to fracture the egg which was placed at the bottom of the ramp. After numerous times of carrying this experiment out, we came to the conclusion that the egg that was in the orange juice was fractured the easiest. The conclusion we came to may help people we know who suffer from weak tooth, enamel or tooth decay and to be more aware of what really could happen to your teeth.