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Reflecting Rainbows: Decorate Your White Walls With Rainbow Colors!
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Like water drops in falling rain, a CD separates white light into all the colors that make it up.
Hollandaise Sauce: Emulsion at Work
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In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.
Supercooled Water Drops
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In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.
Fading Dot
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In this activity, learners play with a fuzzy-colored dot that has no distinct edges seems to disappear. As learners stare at the dot, its color appears to blend with the colors surrounding it.
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.
Gieant Sieve Sorter
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This Exploratorium activity explores size and scale. Through four levels of screen sizes, learners can sort out objects of different sizes.
Yeast-Air Balloons
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In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.