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    Oregon Museum of Science and Industry
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    In this investigation of reaction kinetics, learners alter the amount of iodate solution mixed with the same amount of starch solution. Visitors observe the solutions to see which concentration of...

    $1 - $5 per group Ages 14 - adult 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners observe two joined glass tubes containing a conductive salt solution. Electrodes are passing an electric current through the water. Oxygen gas is formed in the tube connected to the...

    $10 - $20 per group Ages 11 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies. One...

    $5 - $10 per student Ages 11 - adult 10 to 30 minutes