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Cool Reaction! The Reaction of Baking Soda and Vinegar

Experiment #10 from Investigating Temperature

Education Level
Elementary School


Have you ever mixed vinegar and baking soda? It’s fun to watch, but did you know that it is actually a chemical reaction that produces gas and changes temperature, too? The gas it produces is carbon dioxide, CO2, and the temperature change is what we are going to study in this activity. Does the temperature go up or down? We will soon find out!


In this activity, you will

  • Produce a reaction between baking soda and vinegar.
  • Measure the changing temperature of a reaction.
  • Make observations.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

Option 2


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This experiment is #10 of Investigating Temperature. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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