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In this physics activity, learners conduct two experiments to explore free-falling.

In this activity, learners use a simple 3D model to discover why the Moon has phases.

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.

This is a classic exercise for visualizing the scale of the Solar System.

In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum.