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    COSI
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    In this fun chemistry activity (page 3 of the pdf), learners use cabbage juice to determine the pH of several substances. Designed as a pre- or post-visit lesson in connection to a trip to COSI...

    $1 - $5 per group Ages 8 - 11 30 to 45 minutes
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    The Science House
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    In this chemistry activity, learners explore whether matter is created or destroyed during a chemical reaction. They will compare the weight of various solutions before and after they are mixed....

    $5 - $10 per group Ages 11 - 18 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes