The 'Rock salt pres' PowerPoint contains easy-to-follow instructions on how to carry out the rock salt practical. Good for low ability classes as it adds an element of competition to the practical. Students work in teams and fill out the worksheet. Each group is then assessed by the teacher and given a score.

  • rock salt pres.ppt
  • Rock salt.ppt

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Created: Jun 1, 2010

Updated: Aug 19, 2015

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This resource is designed for US teachers. View UK version .

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