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Screws, nuts, and bolts
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Sian Smith |
Simple text and photographs look at screws, nuts and bolts and how they are used in toys to make toys work. Includes notes for parents and teachers. Suggested level: junior, primary. |
OL16191283W |
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Screws
|
DavidGlover |
Introduces the principles of screws as simple machines, using examples from everyday life. |
OL1805427W |
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Twist, Dig, And Drill
|
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. |
OL1878698W |
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Simple experiments with screws
|
Chris Oxlade |
With readable text and an emphasis on practical application, this book explores the many ways that we use screws every day. |
OL21190485W |