Energy in Motion: Waves and Information · Physical Science

The Nature of Sound Waves

Students experiment with vibrations to understand how sound travels through different mediums and how volume and pitch are controlled.

Key Questions

  1. 1Why can we hear sounds through a wall but not see through it?
  2. 2How do changes in vibration frequency change what we hear?
  3. 3What would happen to sound if there was no air or matter to travel through?

Ontario Curriculum Expectations

ON: Matter and Energy - Grade 4
Grade: Grade 4
Subject: Science
Unit: Energy in Motion: Waves and Information
Period: Physical Science

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