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Lesson
Density measures mass packed into a volume, while pressure describes force distributed over area. Both ideas help explain behaviour of solids, liquids, and gases.
Learning objectives
Explain Density and Pressure using the correct Grade 9 Physics terms.
Connect observation, graph, ray, or calculation to the underlying principle.
Use units, labelled features, and the final physical meaning accurately.
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Now on Density and Pressure. Next up: Buoyancy and Archimedes' Principle.
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