Temperature and the Rate of a Chemical Reaction

Putting glow sticks in the freezer makes them last longer, but why is that? Lesson focuses on how temperature impacts the rate of a chemical reaction. It begins with a teacher demonstration, then scholars design their own experiments before analyzing what is happening at the molecular level. 

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CCSS: Designed
NGSS: Designed
Instructional Ideas

  • Review how to control variables so pupils test only one throughout the experiment section
Classroom Considerations

  • Requires some unusual lab supplies such as take out containers and glow sticks
  • Assumes prior knowledge of the previous lessons in the series
  • Lesson is the fourth in a 12-part series
Pros

  • Follows a 5E lesson format
  • Includes discussion questions and answers along with answers to all student work
  • Easily observable reactions will leave no doubt if it worked
Cons

  • None