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In this activity, learners will explore light with reflective surfaces. Learners will make predictions and share their observations as they experiment with directing a beam of light.

In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.

In this activity, learners will explore how light can refract or break apart into different colors.

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 activity, learners investigate how some butterfly wings get their color.

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

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

Why should we wear masks? Do masks work? Do some masks work better than others? Learners find out in this activity.

Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).