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Lesson
Buoyancy is the upward force a fluid exerts on an immersed object. Archimedes' principle links this upthrust to the weight of the displaced fluid.
Learning objectives
Explain Buoyancy and Archimedes' Principle 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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