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    New Jersey Department of Education
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    In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and...

    $5 - $10 per group Ages 11 - 18 1 to 4 weeks
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    Lunar and Planetary Institute
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    In this activity, learners discuss how life is defined and conduct a simple experiment, looking for signs of life in three different “soil” samples. The experiment introduces learners to the...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    COSI
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    In this chemistry activity, learners will learn how to make their own pH indicator using cabbage leaves, and then test common household items with their homemade indicator. This is an excellent...

    $5 - $10 per group Ages 14 - 18 10 to 30 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners take on the role of environmental engineers as they design water filters. Learners see how polluted water (water with chocolate powder mix) can become clearer when passed through their...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes