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ISA Advice

Discussion in 'Science' started by blazer, Jul 5, 2011.

  1. blazer

    blazer Star commenter

    We use little plastic cups with 3mm holes drilled through the bottom. They sit nicely on a pipeclay triangle on a tripod. We use washing up liquid at different concentrations. Do it as a circus with the kids moving round from one set of kit to the next. Place the apparatus in a plastic tray to contain spills.
  2. marshypops

    marshypops New commenter

    You must use the viscometer method (to help students with the exam part of the test).
  3. Glycerol at various temperatures works well

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