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What Is a Simple Machine?
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How Many Eyes Does a Spider Have?
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How Can Animals Function Without a Brain?
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How Do Bees Make Honey?
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Who Invented the Wheel and Axle?
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What Is a Rube Goldberg Machine?
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What Is the Real Sound That a Fox Makes?
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Why Does It Thunder?
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How Does a Hot Air Balloon Fly?
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Do You Like To Play Tag?
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What Is Compound Interest?