Diet Coke and Mentos

Also known as:

Coke Geyser

Mentos Eruption

Wowee Zowee

A popular reaction:

In action:

Problem: Is the diet coke and Mentos reaction a chemical or physical change?

Hypothesis: Based on the pictures and information provided before the actual experiment, write whether you think the reaction is a chemical or physical change. You must include why you believe it is a physical or chemical change (10 points).

Materials: List the necessary materials to conduct the experiment (5 points).

Procedure: List the steps to complete the experiment (5 points).

Data/Results: Draw your observations before, during, and post reaction (10 points).

Conclusion: Discuss with your neighbor whether the reaction was a physical or chemical change. What evidence do you have that supports your conclusion? What evidence is needed to determine if the change is chemical or physical? What other experiments could you do using the same reactants? What variables could you change? (40 points-10 points per question posed)

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