These 48 samples of varying lengths from 4 different materials have a lot to tells us about the natural world.
This clever lab is actually four sets of samples, with tweleve (12) pieces in each set, each sample of different lengths. Determine the mass and volume of each sample and then graph mass vs. volume. The slope of the straight line reveals the density of the material! The attractive wood holder allows the teacher to see immediately when all the samples have been returned! Includes 12 each of the following materials: aluminum, brass, PVC and Tecaform for a total of 48 pieces. Set also includes instructions and an attractive wood holder, with linseed coating for protection, holding all the
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