• Question: what is the heaviest material?

    Asked by gissanekwh to David, Helen, Ian, rhysphillips, Sarah on 21 Jun 2011.
    • Photo: Rhys Phillips

      Rhys Phillips answered on 17 Jun 2011:

      It depends on the conditions in which it is in – such as temperature and also on material properties such as density.

    • Photo: Helen Fletcher

      Helen Fletcher answered on 19 Jun 2011:

      My colleague Pam Trigg says:

      The heaviest element is osmium. A kilogram of osmium weighs the same as a kilogram of feathers but occupies less space.

    • Photo: Sarah Cook

      Sarah Cook answered on 19 Jun 2011:

      Osmium is the element with the highest density

    • Photo: Ian van der Linde

      Ian van der Linde answered on 21 Jun 2011:

      Ozzy Osbourne. He is made from Osmium.

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