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Developed by middle school teacher Elliott Parivar to teach his students about Archimedes’ principles, this graduated block allows for quantitative study of density, buoyancy and specific gravity. By adding weights to the centimeter graduated cube (which weighs 25 grams), students learn about displacement of water in relation to volume and mass. When you add more than 75 grams to the box, it becomes submerged, allowing you to measure its mass with a spring scale to illustrate the effects of buoyancy. Includes instructions. Grades 8–12. Size: 5cm x 5cm x 4cm.
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