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Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

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 meteorology activity, learners construct simple devices to measure the direction and speed of wind.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

In this activity, learners will engineer three different parachutes to test how well each one works.

In this weather activity, learners build their own wind detector and test for the presence of convection currents in their indoor location.

In this activity, learners graph 48 hourly air temperatures from a local weather observation site and observe the diurnal temperature variations.