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

This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

“Exploring Earth: Investigating Clouds” is a hands-on activity in which visitors create a cloud in a bottle and explore it with laser light.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.