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As The Stomach Churns

Oregon Museum of Science and Industry
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In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs,...

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Mystery of the Disappearing Cottonwoods

Oregon Museum of Science and Industry
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Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline. They make a model of a riverbank and then simulate the...

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes

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