Test your knowledge Quizzes & Challenges
Every quiz is one question from a real story. Pick your best answer — you might surprise yourself.
3 quizzes
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Science
In the opening photograph, what is the name of the nebula?
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The Elements of Space
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History
How many soldiers did the Americans gain when Burgoyne was stuck at the battle of Saratoga?
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Victory at Saratoga
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Science
What job did Mendeleev have at St. Petersburg University?
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Dimitri Ivanovich Mendeleev