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Water Illusions: Refraction & Magnification
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Learners demonstrate how water can distort, refract and magnify light.
Camera Projector
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In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.
Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.