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    Oregon Museum of Science and Industry
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    In this activity, learners explore two properties of gases: gases take up space and exert pressure. Learners assemble two flasks and a beaker, connecting them with stoppers and tubing. They combine...

    $5 - $10 per group Ages 11 - adult Under 5 minutes
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    WGBH
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    This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a...

    $10 - $20 per group Ages 11 - adult 45 to 60 minutes