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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.

In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the sundial.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

Learners construct one or more of the following kinds of sundials: a shadow plot, a horizontal sundial, and a diptych sundial.

In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.

In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.