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    The Exploratorium
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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. In chemistry, this mixture is...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    With little more than a flashlight, a straw, and a plastic lid, make an observatory so you can see the amazing colors in bubbles. Learn about how light travels in waves and how the frequency of a...

    $1 - $5 per student Ages 4 - 11 5 to 10 minutes
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    The Exploratorium
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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...

    $1 - $5 per group Ages 4 - 18 5 to 10 minutes
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    The Exploratorium
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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. Sorting based on size is important to many disciplines...

    $1 - $5 per student Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    Like water drops in falling rain, a CD separates white light into all the colors that make it up. The colors you can see reflecting from a CD are interference colors, like the shifting colors you...

    $1 - $5 per student Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    Using two baby food jars, food coloring, and an index card, you'll 'marry' the jars to see how hot water and cold water mix. Besides illuminating the cool fact that an index card can...

    $1 - $5 per group Ages 6 - 11 5 to 10 minutes
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    The Exploratorium
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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.

    $1 - $5 per student Ages 6 - adult 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly. Learners discover that this process is used during candy making, when a...

    $1 - $5 per student Ages 6 - 14 5 to 10 minutes

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