Untitled 1

Screws /

Oxlade, Chris.

Screws / Chris Oxlade. - London : Franklin Watts, 2007. - 32 pages; illustrations (chiefly color); 28 cm. - Simple machines .

"An Appleseed Editions book." Includes index.

What is a simple machine? -- Pushes and pulls -- How a screw works -- Lifting with screws -- Gripping with screws -- Squeezing with screws -- Joining with screws -- Moving with screws -- Screws in machines -- Screws in the past -- Fun with screws: a model screw jack -- Fun with screws: a screw conveyor -- Spot the screws -- Words to remember.

There are screws all around us - from the cap on a drinks bottle to the taps in our kitchens. But what are screws, and how do they work? This book answers these questions and many more. With clear text and colourful illustrations, it explains what screws do and why they are so useful to us in our everyday lives.

9780749675684 0749675683

GBA757806 bnb

013800209 Uk


Screws--Juvenile literature.

621.882
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