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Activity Overview


The Mentos and Coke experiment is still one of the most common and fun experiments to do with students when studying chemical reactions. There are two ways you can approach this experiment as the teacher. Because students might already be familiar with the result of the reaction, you can introduce them to the control, Mentos and Coke, and explain the reaction that is occurring. Then, students can choose to add or change variables to see if the results are the same, or if a different reaction occurs. Or students can perform both the control and variant experiments. Both ways will allow students to compare and contrast their results.

This worksheet will help guide students through the scientific method and creating predictions and conclusions based on their observations.

Clicking "Use This Assignment" will copy the worksheet into your teacher account. While it's complete and ready to use immediately, you can absolutely edit or adjust it as desired before you print it out! You can also create other worksheets for any chemical reaction experiment with our lab worksheet templates.


Materials Needed

  • This Worksheet
  • Diet Coke
  • Mentos mints
  • Any sodas or candies for the variables
  • A space outdoors to do the experiment

Template and Class Instructions

(These instructions are completely customizable. After clicking "Copy Activity", update the instructions on the Edit Tab of the assignment.)



Student Instructions

  1. Click "Start Assignment".
  2. Observe the chemical reaction that occurs when mixing Mentos mints and Coca Cola.
  3. Next, change one of the variables and make a hypothesis about the results of the changes.
  4. Record your findings.
  5. Save and Exit

Lesson Plan Reference





This Activity is Part of Many Teacher Guides

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