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Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

Using simple, inexpensive items, learners build and test submarine models.

This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting.

In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.

This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.