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As The Stomach Churns
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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, some soap to cre
Dinosaur Dig
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This is an activity about dinosaurs, fossils, and the work of paleontologists. Learners use hand tools (paint brushes, scoops, and sifters) to unearth fossil specimens in tubs of birdseed.
Rock Bottoms
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Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.
The Best Dam Simulation Ever
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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.
Dinosaur Footprints & Fossils
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In this activity, early learners simulate fossil prints in play dough or clay.
What's That Sound?
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This game plays a dozen different sounds, altered to simulate what they would sound like if you had hearing loss.
Mystery of the Disappearing Cottonwoods
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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.