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Go With the Flow: An Ocean Currents Game
In this ocean currents game, use heat and salt to float your sub to the treasure!
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Why Do We Send Robots To Space?
We can send robots to explore space without having to worry so much about their safety. Learn more!
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Learn more about tremors on Earth—and other planets too!
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Printable posters, lithographs, postcards, and bookmarks.
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Learn more about what these groups of stars can (and can’t) tell us about our place in the universe.
