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    Oregon Museum of Science and Industry
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    Learners observe a sealed container holding a clear colorless liquid. They shake the container and the fluid turns blue. When allowed to sit for a few moments, the fluid turns colorless again....

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners pour equal amounts of coffee, mineral oil, corn syrup, and alcohol into a beaker. The liquids resolve into stacked layers, and learners can infer which liquids are the most and least dense...

    $1 - $5 per group Ages 11 - 18 10 to 30 minutes
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    American Chemical Society
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    In the related activity called "Colors Collide or Combine," learners are intrigued by the apparent "line" that forms where colors from M&M coatings meet but do not mix. In...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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    Cornell Center for Materials Research
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    In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution. The goal of this activity is to provide an interesting experiment which learners of...

    $5 - $10 per group Ages 8 - adult 2 to 4 hours
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    Astronomical Society of the Pacific
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    In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets. Learners will investigate the ingredients in comets and how...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    My Science Box
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    In this activity, learners conduct tests for proteins, glucose, and starch. At the beginning of the activity, learners choose three items to test: one known to be “never alive," one known to...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    Lunar and Planetary Institute
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    In this activity, learners investigate the Moon's infancy and model how an ocean of molten rock (magma) helped shape the Moon that we see today. Learners create a simple model of this process...

    Over $20 per group Ages 8 - 14 10 to 30 minutes