Summary

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

Objectives

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

Time

Teacher Preparation: minimal

Lesson: 30 minutes

Materials

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

Safety

• 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?