Changing materials - Changing shape by Chris Oxlade
Which materials stretch? Is it easier to change soft or hard materials? What happens when we try to bend brittle objects? Read 'Changing Shape' to learn about the different ways we can change a material by stretching, squeezing, bending, and twisting it. Find out why it is easier to change the shape of some materials than others and explore why some materials keep a new shape and others change back.
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