pptx, 763.69 KB
pptx, 763.69 KB

This is the fifth lesson in a unit of work on sound. The lesson was aimed at KS3 but could be adapted for other levels. The main focus of the lesson is to investigate why sounds echo, sound reflections and their practical uses.

For a bundle of all five lessons in this unit, click here.

During this lesson pupils will:

  • Complete questions to recap knowledge from previous lessons in unit.
  • Watch and analyze a talk by Daniel Kish who uses echolocation to “see” the world.
  • Discuss own knowledge about echoes.
  • Recap what happens to waves when they collide with a barrier.
  • Learn what causes an echo and complete a fill in the gap activity to describe it .
  • Investigate the problems for reverberation in cinemas and suggest solutions.
  • Recap the speed equation and how to rearrange it.
  • Investigate SONAR and complete practice calculation questions to work out distance and time.
  • Investigate ultrasound scanning.
  • Complete true or false consolidation task.

Please visit my shop for other lessons in this unit and more science, history and geography resources.

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