Under Pressure

Sometimes a little pressure isn't a bad thing! A collaborative lesson uses models to demonstrate how air pressure inflates and deflates the lungs. Participants use everyday materials to create models of the chest cavity to simulate how a change in pressure causes inflation and deflation of the lungs.

4 Views 3 Downloads
Instructional Ideas

  • Have pupils sketch their water bottle models and label with the organs each part represents
Classroom Considerations

  • Expect individuals are familiar with the parts of the respiratory system
  • Requires a specific set of materials and time to assemble prior to the activity
  • The lesson is meant to follow the previous in the 21-part series that introduces the parts of the respiratory system

  • Uses a hands-on approach to learn a new scientific phenomenon
  • Emphasizes key vocabulary throughout the lesson

  • None