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    Twin Cities Public Television
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    This is an activity (located on page 4 of the PDF) about surface area and reactivity. Learners will perform a variation on the popular soda geyser activity, using different sizes of rock material...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    BioEd
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    In this nutrition activity, learners explore food labels and consider the nutritional value of foods. Learners also explore units of measurement commonly used on food labels. Learners will be...

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