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Learners observe different paper samples under ordinary room light and under a black light to learn some of the chemical differences between different types of paper.

In this fun optics activity, learners explore principles of light, reflection (mirrors), and perception. Learners work in pairs and sit on opposite sides of a "two-way" mirror.

In this activity, learners explore how nanosized structures can create brilliant color.

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

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