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In this earth science activity, learners conduct a series of short experiments to explore how rocks change.

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

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.

In this activity, learners construct hail-proof houses using recycled materials to discuss storm readiness and safety.

Learners complete a series of hands-on and investigative activities to explore cumulus clouds.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.