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    NOAA
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    In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream. Pairs of learners will combine ingredients in a plastic bag and then add...

    $5 - $10 per group Ages 6 - 14 30 to 45 minutes
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    COSI
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    In this fun and delicious chemistry activity (page 1 of the PDF), learners will explore the difference between physical and chemical change by making homemade ice cream. They will also learn about...

    $10 - $20 per group Ages 8 - 11 30 to 45 minutes
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    Baylor College of Medicine
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    In this activity about food safety and nutrition, learners investigate safe food preparation by making fruit ice cream. This lesson guide includes background information, variations and bilingual ...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    University of Utah
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    In this genetics activity, learners discover how to extract DNA from green split peas. This resource guide includes a brief explanation of DNA and provides suggestions for ways to experiment with...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    WNET
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    In this fun hands-on activity, learners whip up a batch of cyber-dough (play dough) using math for measurements. The amount of salt is given, but the learner needs to figure out how much flour (4...

    $1 - $5 per student Ages 4 - 11 30 to 45 minutes
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    American Chemical Society
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    Learners carefully look at four known household crystals. After observing and describing the crystals, learners are given an unknown crystal, which is chemically the same as one of the four known...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity on page 6 of the PDF, learners dissolve Epsom salt in water and discover that the resulting solution can be used to create a work of art. Use this fun art activity to introduce...

    $1 - $5 per student Ages 6 - 14 30 to 45 minutes
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    Centers for Ocean Sciences Education Excellence
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    In this activity, learners explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.

    1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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    American Chemical Society
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    In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent. Learners investigate whether adding Epsom salt to the solution affects its "...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    COSI
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    In this physics activity (page 6 of the PDF), learners will explore how static electricity affects surrounding objects. They will be able to separate a mixture of salt and pepper without touching...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes

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