Oxidation number and redox tarsia puzzle. Cut up the 'oxidation number tarsia cards&' and get students to match the questions and answers, or the start and end of a phrase. Use the solution to check if they are correct.


  • Oxidation tarsia cards.pdf
  • Oxidation number tarsia.pdf

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5 Reviews

  • 5
    user avatarCocteau114 years agoreport

    Excellent resource which will really challenge the thinking of my Year 12 students. Thank you for sharing.

  • 5
    user avatarBluebell784 years agoreport

    Great resource -excellent as starter or plenary. My students loved it and got really competitive about who finished first!

  • 5
    user avatarLucysimms4 years agoreport

    Brilliant resource - who knew redox could be so much fun?! I great way to liven up quite a difficult topic.

  • 5
    user avatarEmmaRob225 years agoreport

    Excellent resource! Something a bit different. Thanks!

  • 5
    user avataralessio5 years agoreport

    I love these types of puzzles! They are really engaging and develop thinking skills. A great asset for revision activities. Thanks for sharing!