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

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

In this activity, learners use binoculars (or a telescope) to identify and track sunspots. If using binoculars, learners need a pair that can be secured on a tripod.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

Through a series of simple body movements, learners gain insight into the relationship between time and astronomical motions of Earth (rotation about its axis, and orbit around the Sun), and also abou