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Schools Home > Teachers > Bang Goes the Theory > Series 1 & 2 - Lesson Plan 3

Bang Goes the Theory - Lesson Plans

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Lesson Plan 3: Pressure under water

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Pressure under water (Page 15 of the Teacher's Pack)

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Pressure under water (1.18 MB)

Suitable for: 11-14 years

Curriculum and learning links:

  • Pressure, particles in liquids and gases

Learning objectives:

  • Describe the arrangement of particles in a liquid and a gas and explain the changes caused by pressure
  • Explain why there is greater water pressure at greater depths
  • Describe the effect that pressure has on animals and how some are adapted to different environments
  • Describe how water pressure can be useful

Clip 7: Free diving - Dallas takes part in a free-diving challenge in a 30m deep water chamber.

Clip 8: Straw submarine - Dr Yan shows how to make a straw submarine in a plastic bottle to demonstrate buoyancy.

Clip 9: Under pressure - Dr Yan investigates how water pressure limits the length of a snorkel and demonstrates this using two plastic bottles. He explains that elephants regularly snorkel and have specific adaptations to do so.

Clip 10: Sub rescue - Liz takes part in a submarine rescue.

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