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In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

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.

Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

This is an activity to do when there is a solar eclipse!

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