The purpose of this experiment was to investigate Archimedes’ Principle for an object that is denser than water. Archimedes’ Principle states that an object floating or fully immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object. The buoyant force on an object immersed in a liquid can also be determined by weighing an object in air and then in water. The apparent loss of weight of the object is equal to the buoyant force of the water. With this information, the students were able to determine the mass density of the different objects and of the fluids.

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