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Earth's Rotation & Revolution: Crash Course Kids 8.1

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Chemical Changes: Crash Course Kids #19.2

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Weather vs. Climate: Crash Course Kids #28.1

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H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

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The Science of Lunch: Crash Course Kids #15.2

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Seasons and the Sun: Crash Course Kids 11.1

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Defining a Problem: Crash Course Kids #18.1

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What's an Engineer? Crash Course Kids #12.1

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Food Webs: Crash Course Kids #21.2

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Danger! Falling Objects: Crash Course Kids #32.1

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Land and Water: Crash Course Kids #16.1

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Defining Gravity: Crash Course Kids #4.1

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