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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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    In this activity, learners explore what happens when polarized white light passes through a sugar solution. Learners use a relatively simple setup to investigate light polarization and reveal...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners cook amino acids and sugar to explore the range of aromas released. When amino acids and sugars are heated, learners will observe a phenomenon known as the Maillard...

    $10 - $20 per group Ages 6 - 14 Under 5 minutes
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    The Exploratorium
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    In this activity, learners explore scale by using building cubes to see how changing the length, width, and height of a three-dimensional object affects its surface area and its volume. Learners...

    1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners measure the amount of carbon dioxide in a carbonated drink. Learners work in teams of at least two to extract, collect, and measure gas (volume) from a can or bottle of...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle. This...

    $1 - $5 per group Ages 4 - 8 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity is divided into four parts, in which learners practice tessellating with one shape, two...

    $1 - $5 per group Ages 8 - 11 1 to 2 hours
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    In this activity, learners practice drawing 3D structures in two dimensions. Learners draw cube stacks from five different points of view. Use this activity to help learners discern between 2D and...

    1 cent - $1 per student Ages 11 - 14 45 to 60 minutes