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Self-Portrait Silhouettes: Activity 2
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In this activity, learners make a photographic image—without a camera!
Self-Portrait Silhouettes: Activity 1
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In this activity, learners make a photographic image--without a camera!
Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
Writing for Night Vision
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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