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The Liquid Rainbow
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.
Making Waves
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Investigate the interaction of liquids of different densities and experiment with wave patterns with this hands-on activity.
Release the Rainbow
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In this activity, learners create a water prism to break light into the seven colors of the rainbow.
Conversation Piece
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Focus sound through a balloon! In this Exploratorium activity, you'll use dry ice to create a balloon that's a sound lens.
Bubble Suspension
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In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.