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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.

In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

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