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Measure the amount of energy in a peanut by igniting a chemical reaction. Classes use a laboratory setup to burn a peanut and measure the amount of heat it releases through a temperature analysis. They calculate the number of Joules of energy released and connect that to the calories in the peanut.
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Concepts
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Instructional Ideas
- Add the steps of the procedure to the laboratory worksheet
- Have individuals research a list of foods with a similar amount of energy as a peanut
Classroom Considerations
- Requires time prior to the lesson to set up the lab
Pros
- Connects the idea of energy to something relevant to pupils
- Includes a set of conclusion questions to reflect on the experiment
Cons
- None