Air, It's Really There

Love is in the air? Wrong — nitrogen, oxygen, and carbon dioxide are in the air. The final lesson plan in the series of five covers the impact of temperature on gases. Scholars view a demonstration of gas as a type of matter before performing an experiment to see the reaction air has when heated and cooled.

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CCSS: Designed
NGSS: Designed
Concepts

Instructional Ideas

  • Connect the density of gases to carbon monoxide and smoke detectors; Why do they recommend smoke detectors be placed on the ceiling? Why do they recommend carbon monoxide detectors be placed near the floor?
  • Have students apply what they have learned to explain how hot air balloons work
Classroom Considerations

  • The exercise requires knowledge learned in the previous lessons in the series
Pros

  • Materials are easy to find
  • Resource includes an answer sheet
Cons

  • Oversimplification of some concepts may cause confusion later