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    The Exploratorium
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    This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight. The calcium carbonate of the shell reacts with...

    1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners will explore globes of frozen water to learn how to ask and then answer 'investigable' questions. The activity includes four short online videos: Introduction,...

    $1 - $5 per group Ages 8 - adult 45 to 60 minutes

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