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Pupils work together designing and building their own beams. They discover the concepts of stress and strain. They participate in a competition to determine the best beam.
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Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the liquids...
7th - 9th Science CCSS: Designed