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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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    Children's Museum Of Houston
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    Over 1 or 2 days, learners use vinegar to remove the calcium from a chicken bone. They then explore how the bones have changed. An accompanying video with Mr. O further explores the relationship...

    $1 - $5 per student Ages 8 - 11 10 to 30 minutes
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    American Chemical Society
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    This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels. Using wooden coffee stirrers, learners create patterns to be cast in Jell-O(R),...

    $10 - $20 per group Ages 8 - adult 45 to 60 minutes