This PowerPoint and handout are the basis for a lesson on using observation skills to work out whether a mystery substance is an element or compound. Substance X is copper carbonate. Students study its appearance (along with other compounds and elements), and heat it, in order to work out the answer. The handout contains space for them to write down their observations.

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  • Substance X.doc
  • substance X pres.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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