Science

7th

grade

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Synthetic materials

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9 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Materials that are made by humans using chemical reactions, rather than being found in nature.

    Examples:  Plastic, nylon (used to make clothing, rope), polyester (used to make clothing), carbon fiber (used to make bicycles, airplanes, etc.), fiberglass, kevlar.


    synthetic materials

    polymer

    composite materials

    environmental impact

  • 2. Multiple Choice
    30 seconds
    1 pt

    A large molecule made up of many smaller molecules that are linked together in a chain-like structure.

    synthetic materials

    polymer

    composite materials

    environmental impact

  • 3. Multiple Choice
    30 seconds
    1 pt

    Materials made from two or more constituent materials with significantly different physical or chemical properties.

    Example:  Glass fibers and plastic resin produce fiberglass.

    Examples:  Fiberglass, carbon fiber, reinforced concrete, plywood.

    synthetic materials

    polymer

    composite materials

    environmental impact

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