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In this unit students are reminded how to work safely in the laboratory. The expectations for Grade 9 Science students are explained in terms of performance and necessary equipment. Students are introduced simple methods of separation and purification.

Learning targets

C1. The particulate nature of matter

  • Demonstrate understanding of the terms atom and molecule


Different points of view may be based on different evidence

C2. Experimental techniques

  • Describe methods of separation and purification: filtration, crystallisation, distillation, fractional distillation/li>
  • Suggest suitable purification techniques, given information about the substances involved
  • Describe paper chromatography
  • Interpret simple chromatograms

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