Mr. Wizard teaches us about buoyancy and the density of liquids. We learn why ships float, and how solid objects feel a change in weight caused by the volume of the liquid it displaces. Finally, we learn how to pour a three layered '...See moreMr. Wizard teaches us about buoyancy and the density of liquids. We learn why ships float, and how solid objects feel a change in weight caused by the volume of the liquid it displaces. Finally, we learn how to pour a three layered 'cocktail' and observe solids floating between the layers. Written by
Paul Passarelli
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