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Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

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

This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan

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

In this activity, learners turn empty 2-liter bottles into a see-through compost container.

In this "Sid the Science Kid" activity, learners set up a simple experiment to find out how sunscreen counteracts the effects of the sun.