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Lava Lamps
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Learners observe working lava lamps to understand how they work (included in PDF link).
Good Vibrations
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In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.
Shadow Puppets
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In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.