Team Tahi's Fair Test

Fair Test

Com 1 was investigating what the different reactions would be if you put a mentos in Coke. The coke's we used were Diet Coke, Flat Coke, Normal Coke and Coke Zero. We just used Mint flavoured mentos. The Fair Test was fun and the results were interesting. (Jack, Laura, Noah, Sophie)

Hypotheses

A hypothesis is a prediction of what is going to happen. These were our predictions.

18 people thought normal coke would react the most

4 people thought that coke zero would react the most

Everyone thought that flat coke would react the least.

(Westen, Jazmin, Eve, Kate, Lochlan, Cassie)

Results

Diet Coke left 970mls in the bottle

Normal Coke left 1200mls

Coke Zero left 1140mls

Flat Coke left 1500mls.

The flat coke did not react at all.

(Iain, Skye, Mikayla, Valdemar, Jamie S, Martina)

Findings

Flat coke did not react, diet coke had the biggest reaction and coke zero came second.

We thought the reaction was mainly to do with the carbon because there was no reaction in flat coke.

Variables

These are things that can change our results for example:

amount of coke, different flavoured mentos, size and shape of the bottle, amount of bubbles in the bottles.

(Paris, Shane, James, Kaleb, Jamie M

The first week of Term 2 was Science Week. We decided we wanted to look at the idea of fair testing. The coke/mentos experiment was the one the class decided on. Have a look at our video to see it in action.