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In this book an active approach is taken to find out about the properties and uses of wool. Children are encouraged to ask questions and formulate ideas which they then test out. It asks how does a sheep''s coat turn into wool that we can use? Why are woollen clothes warm and answers the question what is felt, recycling wool and washing wool?
Wool Electronic book published by ipicturebooks.com 24 W. 25th St. New York, NY 10010 For more ebooks, visit us at: http://www.ipicturebooks.com All rights reserved Text copyright © 2000 Nicola Edwards and Jane Harris Photographs copyright © 2000 Julian Cornish-Trestrail No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. e-ISBN 1-59019-857-3 Library of Congress Cataloging-in-Publication Data is available ISBN 0-7136-5348-5 Exploring the science of everyday materials Nicola Edwards and Jane Harris Photographs by Julian Cornish-Trestrai l 2 Look at these things we’ve collected. They are all made from wool. 3 Even the tip of my colouring pen is made from wool. 4 Most wool comes from sheep. It’s the sheep’s springy coat. This is raw wool. It‛s a bit greasy. 5 We’re looking at some sheep’s wool through a magnifying glass. Can you see lots of curly hairs? 6 Sheep are shorn once a year. Their wool coats are washed and dried, then combed to remove the tangles. Don‛t worry, it doesn‛t hurt! 7 This wool has been dyed blue. A machine is twisting it into long pieces of thread. 8 Look at all these balls of wool. They have been dyed different colours and some threads are thicker than others. I‛m choosing a dark-coloured ball. I‛m choosing a light-coloured ball.