What happens if you put toothpaste on an egg?
The eggshell is half coated in toothpaste. The calcium fluoride in the toothpaste protects this half of the eggshell in the same way that toothpaste protects our teeth. Safety: This experiment should NOT be carried out if anyone has an egg allergy.
How do you do the egg and toothpaste experiment?
- Take one egg and coat it in your choice of toothpaste containing fluoride and let set for 24 hours.
- After 24 hours place each egg (one coated in toothpaste and one not) in separate jars containing vinegar.
- Observe the immediate effect. (
- After 24 hours take the eggs out of the vinegar and observe the difference.
Why do we use eggs for teeth in an experiment?
The idea behind this tooth decay experiment is simple – eggshells are like teeth enamel. When eggshells come in contact with these drinks and beverages for a long time, they get eaten away, just like tooth enamel.
How do you make eggs clear and bouncy?
Directions
- Fill your container with about 1 cup of vinegar.
- Add about 10 drops of food coloring of your choice.
- Carefully place a raw egg inside each jar.
- When the surface of the water has a weird scummy film, the eggs are ready to take out.
- You can gently roll and bounce the eggs to see what happens!
What is the hypothesis of the rubber egg experiment?
Hypothesis: If, an egg sits in vinegar for a longer period of time then, it will be more rubber like because, the longer it sits in the vinegar the more time the vinegar will have to be able to take off the the outer shell of the egg.
Do eggs turn clear in snow?
Because of all this space that ice takes up with the same number of molecules as from its liquid phase, there’s more space in-between the protein molecules. So the more water there was, the more ice, and thus, you end up with a transparent egg white.
How do eggshells represent teeth?
Eggshells have a similar chemical composition to our tooth enamel, making them react similarly with other chemicals. This can help us understand what stains tooth enamel. When we brush an eggshell with fluoridated toothpaste, it strengthens the shell and protects it from acid, just like it does for our tooth enamel.
How long does it take for an egg to turn into rubber?
Most eggs will be rubbery in one to two days, but some eggs may require a third day.
