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In this optics activity, learners use glass and water to demonstrate total internal reflection (TIR).

In this activity, learners use UV light to transfer a pattern onto a plastic board. The pattern is transferred by placing a mask (a transparency sheet with the pattern) on a plastic board.

In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.

In this activity (page 1 of the PDF under SciGirls Activity: Forensics), learners will use a home video camera with a “night vision” mode to test how various inks appear outside the spectrum of visibl

In this activity, learners make optical fibers out of strips of gelatin.

In this activity, learners explore how infrared technology is used by engineers to create equipment and systems for a variety of industries.