Pressure and Upthrust SP15d Edexcel 9-1 GCSE Physics Forces and Matter

Full Lesson PowerPoint to teach the GCSE 9-1 specification Physics lesson on Pressure and Upthrust. It covers how upthrust occurs and that the upthrust is equal to the weight of fluid displaced, the factors that determine whether or not an object will float/sink and relates the upthrust to the floating/sinking of objects immersed/partially immersed in fluids, using the equation relating pressure in a fluid to height, density and gravitational field strength and why the pressure in a liquid depends on density and depth.

The resource is appropriate for Higher tier Triple Science classes only.
Note: update due to typo.

The FREE sample lesson “GCSE Physics Energy Stores and Transfers FULL LESSON (Edexcel 9-1 CP3a SP3a) Conservation of Energy” is also available to download from my TES shop.

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  • SP15d-Pressure-and-Upthrust-lesson-presentation.ppt
  • SP15d-Challenge-Task.ppt

About this resource


Created: Apr 11, 2019

Updated: Apr 28, 2019

Whole lesson

ppt, 4 MB



ppt, 321 KB


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