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How to Swallow a Pig: Step-By...
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Electricity for Kids: Facts,...
Baby Professor
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The Brain: Journey Through...
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Circuits
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Discovering Stem at the...
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Discovering Stem at the...
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Discovering Stem at the...
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Careers for Tech Girls in...
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Rocketry: Investigate the...
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Spectrum Science, Grade 3:...
Spectrum
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Physics: Investigate the...
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Explore Gravity!: With 25...
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Skyscrapers: Investigate...
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Explore Electricity!
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Canals and Dams: Investigate...
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Ingeniería: Hazañas y fracasos
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The Wind at Work: An Activity...
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Unforgettable Catastrophes
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Using Rulers and Tape Measures
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Timekeeping: Explore the...
Linda Formichelli,
Maxine Anderson
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Book 083: Making Coins:...
Hmh Hmh (Prepared for publication by)
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