Teaching overview

Learning points

  • Some fish make sounds by vibrating an organ called the swim bladder.
  • The swim bladder's main job is to control the way the fish floats.
  • Some fish use sounds to attract a mate or scare away a predator.

Curriculum keywords

  • Animals
  • Adaptation

Spark a discussion

  • How do some fish use their swim bladder to make sounds?
  • Why do fish make sounds?
  • How do you make sounds? Does it involve vibration, too?

Explore our resources

Complete your lesson with teaching resources on sound from Tigtag.

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Discover free online CPD for primary science from Reach Out CPD.

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