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Materials and composites: including metals, ceramics and polymers

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I can classify materials as metals, ceramics, or polymers, and describe and predict the properties of some composite materials.

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Metals are good thermal and electrical conductors, they are strong, shiny, malleable and ductile. Ceramics are made from soft substances, becoming hard and brittle when heated. Plastics are made from polymers and there are many types of plastics with very different properties. An alloy is a mixture of elements including at least one metal. Composites combine materials to create a new material with improved properties.

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