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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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    In this activity, learners explore how ordinary marshmallows expand when heated in a microwave. Learners heat two marshmallows in the microwave for about 20 seconds and then examine the texture and...

    $1 - $5 per group Ages 6 - 14 Under 5 minutes
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    The Exploratorium
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    This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops. Learners explore how different shapes are more stable than others, and are introduced to...

    $1 - $5 per student Ages 6 - 11 30 to 45 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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    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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