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In this activity, learners investigate and compare the rate of drying in different conditions.

In this activity (page 1 of PDF under SciGirls Activity: Forecasting), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other end

In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.