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    PBS
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    In this "Sid the Science Kid" activity from Episode 109: The Perfect Pancake, learners make applesauce to explore irreversible change. Learners compare and contrast apples that have been...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    Mount Holyoke College
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    In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch. Learners test cream of tartar, baking soda, lemon...

    $10 - $20 per student Ages 4 - 8 10 to 30 minutes
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    Mount Holyoke College
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    In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures. Both homogeneous (whole thing...

    $10 - $20 per student Ages 4 - 8 10 to 30 minutes
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    Omaha's Henry Doorly Zoo
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    In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution. Learners soak one regular hard-boiled egg and one peeled...

    1 cent - $1 per group Ages 4 - 14 4 to 24 hours
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    Amazeum
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    In this activity, learners test what happens when they put baking power on different frozen liquids. This is a colorful sensory-based activity for young learners to begin exploring chemistry and...

    $5 - $10 per group Ages 4 - 11 5 to 10 minutes
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    American Chemical Society
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    In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.

    $1 - $5 per group Ages 4 - 11 2 to 4 hours
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    American Chemical Society
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    Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M. When they conduct their...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    Sciencenter
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    In this challenge, learners figure out how to make a juice stain disappear. (Younger learners will definitely need assistance, and safety instructions are included in the PDF.) First they...

    $10 - $20 per group Ages 4 - 14 30 to 45 minutes
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    Omaha's Henry Doorly Zoo
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    In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled...

    $1 - $5 per student Ages 4 - 14 4 to 24 hours
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    PBS
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    In this "Sid the Science Kid" activity from Episode 108: My Ice Pops, learners observe reversible change while thinking about ways to make ice melt. Learners freeze a piece of fruit in an...

    $1 - $5 per group Ages 4 - 6 2 to 4 hours

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