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Year 9 Physics

Density and pressure

The particle model, density of regular and irregular objects, changes of state, pressure in solids, liquids and gases, and upthrust.

What is in this topic

  • A narrated lesson video that works through the topic, with worked examples
  • 100 practice questions at foundation, core and stretch level
  • A worked explanation on every answer, and progress you can come back to

The lesson and practice open when you start the 7-day free trial. Cancel before it ends and you pay nothing.