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Uses and properties of plastics

  1. Nov 17, 2005 #1
    Sorry to bother everyone
    I want to ask a couple of questions that i am stuck on
    What are plastics used for? What are some of their properties that make them so valuable as materal? what advantages does plastic have over traditional materials like wood, metal, stone, etc ? last one
    Explain how to make plastic from milk?

    COULD SOMEONE PLEASE HELP ME I KNOW THESE MAY BE EASY QUESTIONS BUT IM ONLY IN YEAR 8
    PLEASE REPLY ASAP
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  2. jcsd
  3. Nov 17, 2005 #2

    quasar987

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    Except the "explain how to make plastic from milk" question, these are all questions you can answer by yourself by experimenting with plastic. Look at different things that are in plastic around you and manipulate them in order to determine their solidity, their elastic properties, and so on. then do the same with metalic, wooden, stone objects and compare.
     
  4. Nov 17, 2005 #3

    Pengwuino

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    Just look at objects around your house and ask yourself "why plastic?" if it is made out of plastic. Just... grab a ketchup botttle and ask "why not stone?" or "why not metal?" and it should become apparent why plastic is so great.
     
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