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Chúng tôi mang đến cho bạn sự chú ý một bộ sưu tập độc đáo các sách điện tử m để đọc tiếng Anh cho mọi trình độ. Loạt cuốn sách thích nghi của nhà xuất bản Harcourt của Mỹ là duy nhất trong hầu hết các tệp PDF có sẵn âm thanh. Click vào vào một biểu tượng đặc biệt để lắng nghe một câu cụ thể bằng tiếng Anh với phát âm chuẩn của người bản xứ. Đây là bộ sách rất quý hiếm trong việc học và dạy tiếng anh có trẻ em.

All About Matter CXEFL07ARD01_LLR01_Cv.indd 2/18/05 5:03:43 PM Copyright © by Harcourt, Inc All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher Requests for permission to make copies of any part of the work should be addressed to School Permissions and Copyrights, Harcourt, Inc., 6277 Sea Harbor Drive, Orlando, FL 32887-6777 Fax: 407-345-2418 HARCOURT and the Harcourt Logo are registered trademarks of Harcourt, Inc., registered in the United States of America and/or other jurisdictions Printed in the United States of America ISBN 0-15-343820-7 10 CXEFL07ARD101_LLR_CV.indd 179 10 09 08 07 06 05 04 3/2/05 3:03:16 PM All About Mat ter Matter Solids Water and Other Liquids Gases Like Air .5 Mixtures Measuring Matter Heating Matter 10 Cooling Matter 11 Orlando Austin New York San Diego Toronto London Visit The Learning Site! www.harcourtschool.com CXEFL07ARD101_LLR 3/7/05 4:18:27 PM Mat ter Matter is everything around you It can be big or small, hard or soft CXEFL07ARD101_LLR 3/2/05 2:53:51 PM Solids Solid matter keeps its shape You can sort solids CXEFL07ARD101_LLR 3/2/05 2:54:04 PM Water and Other Liquids float sink liquid Liquid matter flows It changes shape Some solids float in water Some sink CXEFL07ARD101_LLR 3/2/05 2:54:17 PM Gases Like Air Gas is matter that has no shape You can not see most gases CXEFL07ARD101_LLR 3/2/05 2:54:35 PM Mixtures You can make a mixture of solids The solids not change CXEFL07ARD101_LLR 3/2/05 2:55:15 PM salt soil You can mix solids with liquids Salt dissolves in water Soil does not CXEFL07ARD101_LLR 3/2/05 2:55:40 PM Measuring Mat ter You can measure the length of a solid You can measure the amount of liquid CXEFL07ARD101_LLR 3/2/05 2:56:01 PM A balance can measure mass balance CXEFL07ARD101_LLR 3/2/05 2:56:22 PM Heating Mat ter Heat can change water into a gas As steam cools, drops of water form 10 CXEFL07ARD101_LLR 10 3/7/05 5:10:13 PM Cooling Mat ter ice Water can get so cold it turns into ice Ice is solid water 11 CXEFL07ARD101_LLR 11 3/2/05 2:56:53 PM Vocabulary matter, p solid, p liquid, p float, p sink, p gas, p mixture, p dissolves, p length, p mass, p steam, p 10 12 CXEFL07ARD101_LLR 12 3/2/05 2:57:31 PM Think About the Reading What questions you have about solids, liquids, and gases? What can you to find the answers to your questions? Hands-On Activity Make a tracing of your hand Measure each finger Write the length of each finger School-Home Connection Tell a family member what you have learned about matter Take turns naming solids and liquids you use at home CXEFL07ARD101_LLR_CV.indd 3/2/05 3:03:27 PM ... 3:03:16 PM All About Mat ter Matter Solids Water and Other Liquids Gases Like Air .5 Mixtures Measuring Matter Heating Matter ... 10 Cooling Matter 11 Orlando Austin New York San Diego Toronto London Visit The Learning Site! www. harcourtschool .com CXEFL07ARD101_LLR 3/7/05 4:18:27 PM Mat ter Matter is everything... PM Mat ter Matter is everything around you It can be big or small, hard or soft CXEFL07ARD101_LLR 3/2/05 2:53:51 PM Solids Solid matter keeps its shape You can sort solids CXEFL07ARD101_LLR 3/2/05

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