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    NISE Network
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    This hands-on activity demonstrates how a material can act differently when it's nanometer-sized. Learners compare the reaction rate of an effervescent antacid tablet that is broken in half...

    $1 - $5 per group Ages 6 - adult Under 5 minutes
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    NISE Network
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    In this activity, learners explore the chemical reaction between water and effervescent antacid tablets. This hands-on activity models how a material can act differently when it's nanometer...

    $1 - $5 per group Ages 4 - adult 5 to 10 minutes
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    National Health Museum
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    This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell. By analyzing four sand-filled cubic models ...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes