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iwaldron's picture

August 2012 revision

The main change in the new version of the Student Handout for this activity is that in the current version students design the second and third experiments. This will help to increase student understanding of the scientific method. If you would prefer to have explicit instructions for all three of the experiments, these are provided in an alternative version of the Student Handout. In addition, the Teacher Preparation Notes have been somewhat expanded and clarified.


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