Driving question : How does the temperature change during chemical reactions?

In this activity students measure the temperature change in four chemical reactions and classify the reactions as exothermic or endothermic.

Topic: Thermochemistry,
Concepts: Calorimeter, Endothermic reaction, Energy, Enthalpy, Exothermic reaction, Heat transfer, Insulation, Reaction heat, Reaction rate, Specific heat,
Grade level: High School (14-18 years), Middle School (11-14 years),
Activity type: Data logging,
Sensors: Temperature sensor,
Interface requirements: Single analog sensor input,

The Student Worksheet gives investigation instructions for students.

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The Teacher Notes includes teacher commentaries such as didactical approach, exemplary questions, assignments and data analysis.

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The Science Background describes the scientific principles that underlie the activity.

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Coach Activity/Result file can be opened in the Coach 7 Program. This requires Coach 7 to be installed on your computer.

Download activity Endo- and exothermic reactions (.cma7) Download result (.cmr7)