Things are heating up and expanding! A quick video lesson presents the concept of thermal expansion. It shows learners several examples of where they may experience thermal expansion and provides multiple applications of the principle as well.

Concepts

thermal expansion, thermal energy

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Instructional Ideas

• Have pupils research additional applications of thermal expansion
• Follow the lesson with a demonstration of thermal expansion adding heat (or removing heat) to a balloon

Classroom Considerations

• Expects a basic understanding of the properties of atoms

Pros

• Interesting presentation with real-life connections 
• Provides optional discussion questions

Cons

• None