Wind Power
Lisa Harkrader
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Simple Technology: Levers
Liz Lennon,
Ellie O'Shea (Illustrator)
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V22 Osprey
Donna McKinney
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F35 Lightning Ii
Donna McKinney
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Apache Helicopter
Donna McKinney
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What Machines Do: DAILY LIFE:...
John Allan
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Weather Tech: A First Look
Katie Peters
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Wheels and Axles Are Machines
Douglas Bender
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Tough Tanks
Marie-Therese Miller
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Detecting Infectious Disease
Matt Lilley
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Get Into Science: Machines We...
Jane Lacey,
Sernur Isik (Illustrator)
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Zaubermechanik Oder...
Johann Conrad G?tle
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Helicopters in Action
Mari Bolte
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Wheel
David Armentrout,
Patricia Armentrout
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Stupendous and Tremendous...
Claudia Martin
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Submarines in Action
Mari Bolte
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Los Tornillos Son Mßquinas ...
Douglas Bender
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A Question of Technology: Can...
Clive Gifford
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Microscopes and Magnifying...
Lisa J. Amstutz
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Cotton
Dalton Rains
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F22 Raptor
Donna McKinney
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Awesome Construction...
Akyiaa Morrison
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Telescope
Samantha Bell,
Joseph Hatch (Illustrator)
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Materials: What Is Stuff Made...
Emily Kington
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