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Homework Help: Better insulator?

  1. Nov 2, 2004 #1
    Better insulator??

    I am doing a project at school about heat insulation. I have one question, though.

    At school the walls are surrounded by concrete blocks. At home, however, my walls are surrounded by sheetrock. Which insulates heat better?

    Thank you
  2. jcsd
  3. Nov 2, 2004 #2
    I believe concrete blocks are
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