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Author
Language
English
Description
"Simple Machines! introduces kids to the concept of mechanical advantage and harnesses kid-power by inviting them to build machines of their own design. This book also opens eyes and minds to the diversity of machines in their lives, and sparks the imagination with challenge, humor, and achievable projects"--Publisher.
Author
Language
English
Description
Bridges and tunnels are lifelines. People have tackled seemingly insurmountable obstacles, including vast canyons and mountain ranges, to design and construct these amazing passageways. Bridges and Tunnels: Investigate Feats of Engineering invites children ages 9 and up to explore the innovation and physical science behind structures our world depends on. Trivia and fun facts illustrate engineering ingenuity and achievements. Activities and projects...
Author
Pub. Date
[2015]
Language
English
Description
Presents twenty-five projects in which a structured engineering process can be used to build and test prototypes, including a truss bridge able to span ten inches, a parachute able to deliver a load precisely, and a device able to convert the wind to rotational motion.
Author
Language
English
Description
Atoms and molecules are the basic building blocks of matter. Matter is every physical thing around us in the universe, including our own bodies! In Explore Atoms and Molecules! With 25 Great Projects , readers ages 7 to 10 investigate the structure of atoms and learn how atoms fit together to form molecules and materials. If everything is made out of atoms and molecules, why do people look different from dogs and doorknobs? In Explore Atoms and Molecules...
Author
Language
English
Description
Brrr ... does it feel cold? Get out your gloves and get ready to experience the Ice Age! In Explore the Ice Age! with 25 Projects , readers ages 7-10 discover what an ice age consists of, why we have them, and what effect an ice age has on living organisms and ecosystems, paying particular attention to the most recent Ice Age, which is the only one humans were around to witness. About 12,000 years ago, glaciers up to 2 miles tall covered up to one-third...
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