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Pressure investigation for KS3

Discussion in 'Science' started by fiendishlyclever, Jan 27, 2010.

  1. fiendishlyclever

    fiendishlyclever Occasional commenter

    Collapsing can experiment. Pure win!
    My group always liked comparing their own pressure to that of elephants and dinosaurs etc. You can use a spreadsheet to speed up the calculations.
  2. blazer

    blazer Star commenter

    A quickie I use is to use masses to press the 1cm cubed killick blocks into soft plasticine. Start off with 1kg balanced on 9 bricks (9cm2) and then gradually reduce the number of bricks and compare the depth of the dent in the plasticine.
  3. If you don't mind a bit of a mess, you could always do compression of air, water and parafin in some 5cm3 syringes. Can be linked into the data logging experiments if you have the pressure monitoring kit as well.
    You can also add it in to a pile of other things (like efficiency of brakes) - plus you can make them realise that in order to practicals, they have to be responsible little people...

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