This lesson covers spec points 4.6 and 4.7 — explaining why pressure in a fluid acts equally in all directions, and using p = hρg to calculate pressure difference.
PowerPoint includes:
Retrieval starter reviewing pressure on solids from Lesson 3
Direct Instruction (I Do) — particle explanation of fluid pressure, p = hρg introduced with worked examples
Guided Practice (We Do) — scaffolded calculations including rearranging for depth and density
Independent Practice (You Do) — exam-style questions of increasing difficulty
Real-world application questions including dams and submarines
Review and Reflect exit ticket
Activity Sheet includes:
9 exam-style questions using Edexcel command words
Questions covering calculation, explanation and extended writing
Stretch question requiring multi-step calculation and reasoning
Full mark scheme for teacher use
This lesson is part of the complete Unit 4 resource pack, available separately at a discounted bundle price.
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