Exploring Archimedes’ Principle

As part of 8th grade studying  the behavior of fluids, particularly Archimedes’ Principle, students performed a lab about density. Archimedes’ Principle says that the upward buoyant force that is exerted on a body in fluid, is equal to the weight of the fluid that the body displaces.  Students explored this principle with film canisters by observing how  density changed whenever pennies were added to each.  They also tried pushing down on the canisters in the water to observe the difference in buoyant force.  Students then observed how the density of the canisters made them float at different levels.  A great way to experience the force of the water pushing up on objects!

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