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Bottle blower

A fun, hands-on lesson in which pupils will discover how the pitch of a sound can be changed by altering the amount of water in bottles. This pack includes:

  • A differentiated lesson plan with an explanation of the science behind the investigation
  • A PowerPoint presentation explaining how sound travels and how pitch is changed in instruments
  • A sheet for children to record their scientific explanations
  • Two guided reading spreads: Interview with a sound engineer and how speakers work
Year 4
Sound
Bottle blower

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