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In this activity, students will play a game to review topics relating to physical properties of matter, including mixtures, states of matter, and gas laws. They will be prompted with questions in a PowerPoint and they will use white boards to communicate their answers.

Grade Level

High School


By the end of this lesson, students should be able to:

  • Describe the properties of different states of matter and their associated phase changes.
  • Provide examples of different kinds of mixtures.
  • Describe techniques for separating mixtures.
  • Perform calculations using gas laws.

Chemistry Topics

This lesson supports students’ understanding of:

  • Physical changes
  • Physical properties
  • Phase changes
  • Mixtures
  • Gas laws


Teacher Preparation: minimal

Lesson: 30 minutes


  • White board
  • White board marker
  • Eraser or paper towel
  • Calculator


  • No specific safety precautions need to be observed.

Teacher Notes

  • This PowerPoint presentation can be modified to host a similar review game on a different topic.
  • Sample questions:
    • Which is a substance? (salt, salt water, oatmeal, a replacement teacher)
    • You find the mass of a salad. Did you find an… (extensive or intensive property)
    • Which substance has a definite shape and volume? [NaCl (aq), Cl2(g), CCl4 (l), AlCl3 (s)]
    • Which of the following will sublime at STP? [SO2 (aq), H2O (l), CO2 (s), Ca (s)]
    • Name at least 3 properties of all liquids.
    • A liquid in a container is boiling at a pressure of 790 torr. The normal boiling point of this liquid will occur at what pressure?