Educator Resources for Buoyancy

Why do anchors sink while boats float? In this BrainPOP movie, Tim and Moby dive into buoyancy, the special property of fluids that acts against gravity. See how much water is displaced when an unsuspecting robot is dropped into a pool. Learn how the buoyant force makes objects weigh less underwater. And discover how an object's density determines whether it sinks, floats, or hovers in a fluid. With all this knowledge, you'll surely be able to keep your head above water!

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