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What Are Sound Waves?
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The Life Cycle of an Emperor Penguin (The Life Cycle)
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Conoce China
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Spotlight on India
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What Are Light Waves?
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Rodeo
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What the Science of Reading Says about Word Recognition
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Katy Perry
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What Are Shadows and Reflections?
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How Does Sound Change?
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What Is a Tornado?
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Oil to Plastic
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Cotton to Clothing
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Understanding Roman Myths
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What Is Temperature?
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Designing With Vellum: Over 150 ideas for scrapbooks, card making, gifts and more
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The Science of Light Waves
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Rocks and Minerals to Aluminum
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Paralympic Sports Events
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Polar Bears on the Hunt (Perfect Predators)
$12.00

Stalking Yang Lu-chan: Finding Your Tai Chi Body
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What's in the Midwest?
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Ice Hockey and Curling
$9.69

What Is a Blizzard?
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The Mississippi: America's Mighty River
$7.99 - $23.21

What Is Weather?
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A Barefoot Boxer's Chronicle: Sourcing Tai Chi Classics and Aphorisms
$11.09 - $20.00

The Five Parts of Art
$21.51

What Is a Flood?
$8.95