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Levanta y Abre
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Michael Dahl |
Ciencia asombrosa: Las maquinas sencillas (Amazing Science: Simple Machines)-Our best-selling Amazing Science series is now available in conversational Spanish. Simple machines are simply wonderful. … |
OL15039554W |
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Levers and pulleys
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Emily Sohn |
"Describes different jobs that levers and pulleys can do and how they are able to do them. As readers use scientific inquiry to learn about how force, energy, and work make using these simple machine… |
OL15999117W |
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How do you lift a lion?
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Wells, Robert E. |
Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party! |
OL16671770W |
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Scoop, Seesaw, And Raise
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Michael Dahl |
Amazing Science: Simple Machines-Simple machines are simply wonderful. Dissect the science behind these useful tools to get a better handle on the physics of fun and function. |
OL1878674W |
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Levers
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Chris Ollerenshaw,Pat Triggs |
Introduces the principles of levers as simple machines, using examples from everyday life and demonstrates how levers work with simple activities and experiments. Includes notes for teachers and pare… |
OL22073100W |
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Fred Flintstone's adventures with levers
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Mark Weakland,Christian Cornia |
"Popular cartoon character Fred Flintstone explains how levers work and how he uses simple machines in his daily life"-- |
OL22318495W |
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What do levers do?
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Glover, David |
'What do Levers do?' explores the simple mechanism of levers and looks at the wide range of tools and toys that make use of them. Large, clear photographs show the principle in practice and careful a… |
OL24197976W |
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Lifting By Levers
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Andrew Dunn |
Describes simples machines which utilize the principle of levers to move heavy objects, cut material, and make music. |
OL2681814W |
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The lever
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Harlan Wade |
A simple explanation of how a lever works. |
OL6664242W |