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    The Science House
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    In this chemistry activity, learners use chemical reactions to observe the composition of an alloy. Learners will calculate and record the amount (mass and percentage) of copper and zinc in a penny...

    $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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    Learners create a small explosion by collecting hydrogen and oxygen gas together and squeezing them into a flame. Two test tubes are used to generate the gases: zinc and hydrochloric acid to...

    1 cent - $1 per group Ages 14 - adult Under 5 minutes
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    Science Museum (London)
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    In this demonstration, educators make silicon from sand with a mighty explosion! Learners discover the properties of everyday materials and observe how these properties can change to create new...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Using electrolysis, learners produce hydrogen gas and oxygen gas from water molecules in a solution. A pH indicator (bromthymol blue) in the water allows learners to observe how the pH of the...

    $10 - $20 per group Ages 6 - adult Under 5 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
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    Oregon Museum of Science and Industry
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    Learners write their initials by applying different clear "magic ink" solutions to separate pieces of paper and then "develop" the inks with other clear solutions. One "...

    $1 - $5 per group Ages 14 - adult Under 5 minutes