Our Dependent Variable:
Which Coca Cola Brand displaces the most liquid when Mentos are added?
Our Independent Variable:
We will change the type of Coca Cola
Our Controlled Variables:
We are going to keep the following the same:
All 1.75l bottles, same amount of Mentos (4), same shape bottle, same person inserting the Mentos, uniform measuring cylinders. We will do this to keep it a fair test.
We carried out the tests and then recorded the measurements in class.
Coca Cola Life
Coca Cola Vanilla
Coca Cola Zero