Simple machines
Gaffney, Kelly2020
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Ramps, screws, wheels, pulleys, wedges and levers are all simple machines. Learn about what these machines are and what makes them work. Also find out how to spot machines in action all around you!
Main title:
Simple machines / Kelly Gaffney.
Author:
Gaffney, Kelly, author
Imprint:
Oxford : Raintree, 2020.
Collation:
24 pages : illustrations (colour) ; 21 cm.
Series title:
Notes:
Originally published: 2017.Includes index.
Audience:
Pre-adolescent.
ISBN:
9781474792660 (hbk)
Dewey class:
428.6621.82
Local class:
621.82
Language:
English
Subject:
BRN:
2586168