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In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

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

Learners explore their surroundings while reasoning about categories and counting.

In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.

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.