Vapor Pressure and Colligative Properties

This Vapor Pressure and Colligative Properties lesson plan also includes:

Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure and evaporation rates. After completing a worksheet, pupils design two more experiments related to solutes and bond types. 

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CCSS: Adaptable
NGSS: Adaptable
Instructional Ideas

  • Bring in a pressure cooker and ask pupils to explain how it works
Classroom Considerations

  • Requires prior knowledge of ionic versus covalent bonding, molarity, kinetics, and solubility
  • Follow all safety recommendations to reduce fumes
  • The first lesson in a series of eight
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information

  • Offers many strategies for differentiation
  • Provides worksheets

  • Resource does not include answer keys
Common Core