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    Oregon Museum of Science and Industry
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    In this chemistry demonstration, acid rain is simulated in a petri dish. Sodium sulfite (NaSO3) and hydrochloric acid (HCl) are mixed to create sulfur dioxide gas (SO2), which is a common byproduct...

    $1 - $5 per group Ages 14 - adult 5 to 10 minutes
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    National Health Museum
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    This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg. Learners...

    $10 - $20 per group Ages 14 - 18 1 to 7 days