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Shake It Up: MixturesChemistryElements, Compounds, and MixturesPure SubstancesShake It Up: MixturesColloids: Somewhere in BetweenSeparating Mixtures Mixtures are materials that contain more than…
Adopting a cat? Make the Right Choice! You may have heard the saying, "You own a dog, you feed a cat." It's true that cats value their independence a bit more than their canine counterparts…
Society, Culture, and Scholarship Confucius Biographies by CategoryArts and Entertainment Business, Philanthropy, and Labor Politics and Government Science and…
The History of the Crossword Puzzle In 1913, it was a "word-cross"; in ancient Rome, a word square by Christine Frantz Do a kids' crossword puzzle on Factmonster! On Dec. 21, 1913…