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Mineral Scavenger Hunt
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In this activity, learners participate in a scavenger hunt, searching for and recognizing minerals and products that contain minerals.

Prehistoric Climate Change
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In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.

Squeeze the Stream
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In this activity related to flight, learners build a tiny stream channel to investigate how fluids (air and water) change speed as they flow between and around objects.

Sizing Up the Universe
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In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.