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In this online activity, learners see simulations of how processes shape the Earth, and see estimates of how long these processes take.

This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.

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

In this activity, learners will simulate the processes of the water cycle at home in a plastic sandwich bag.