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What Makes Popcorn Pop?
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What's the Most Difficult Instrument to Play?
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Why Do Some People Need Glasses?
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What Is a Homonym?
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What Is the Difference Between a Violin and a Fiddle?
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What’s Your Zodiac Sign?
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How Are Instruments Made?
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Why Do People Tell Performers To “Break a Leg” Before a Performance?
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Who Was the Iceman?
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What Is a Dulcimer?
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When Is the Winter Solstice?
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What Is a Sonic Boom?
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Why Do People Wear Ties?
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Can You Hit the Bullseye?
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What Is a Volcano?
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Who Was Alexander the Great?
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How Is a $1 Bill Made?
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Can Dogs Talk?
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Why Do You Need To Wash Your Hands?
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How Many Hot Dogs Can You Eat In 10 Minutes?