Follow a River
Building Background About River Building Background Making Inference Where do you see rivers? What can you see in or around rivers? Write the things that you already know about rivers. Look at the contents on Book page 2 and read the explanations below. Then number them in order as the contents show. rivers Write the facts that you already know about rivers. What is the longest river in the world? What is the widest river in the world? What is the biggest waterfall in the world? 1 The place where a river begins is called its source. Lakes and springs can be sources of river. 2 Some Rivers end when they flow into another river. Some rivers end when they flow into a lake. Other rivers end when they flow into the ocean. 3 A river is a large body of water. Rivers flow across the land. Some rivers are long and wide. Some rivers are short and narrow. 3 1 2 2Four Corners Workbook Follow a River3
Building Vocabulary Key Words Building Vocabulary High-Frequency Words of, over, into Complete the crossword puzzle. Read and circle the sentence that matches the picture. Across l b r a p i e n d s o c a k e a n u s 1. a large body of water that flows across land 2. twists and turns in a river 4. the place where a river begins 6. a large area of water surrounded by land i v e r t r e a m c e Down [ Word Bank ] rapid source stream bends river lake ocean 1. the place where a river rushes over rocks 3. a small body of flowing water 5. the sea 1. 2. 3. 4. 5. A stream flows downhill A river is a large body of water. Lakes can be sources of rivers. We can find bears on mountains. Sometimes the water rushes over rocks. Rivers end when they flow into the ocean. The place where a river begins is called a source. Sometimes a river falls over a cliff. The curves are called bends. Some rivers end when they flow into a lake. 4Four Corners Workbook Follow a River5
Comprehension Comprehension Check Comprehension Comprehension Check Read the sentences and write the correct answer. Look at the picture and mark( ) on Yes or No. This is a large body of water. This flows across the land. Some of these are long and wide. Some of these are short and narrow. What is this? river What is the best title of the passage above? Circle the correct answer. 1. The place where a river begins is called its source. 2. Lakes and springs can be sources of rivers. Yes No Yes No What Is an Animal? How Do Animals Move? What Is a River? How Do Rivers Move? 3. Rivers can not begin in the mountains. 4. A stream flows upward the hill. Yes No Yes No Write a sentence that tells the main idea of the passage above. Where do rivers begin? Circle the correct answer. This is a large body of water. mountains lakes or springs oceans hills 6Four Corners Workbook Follow a River7
Comprehension Comprehension Check Comprehension Comprehension Check Look at the picture and write the number of the picture that matches the sentence. Look at the picture and answer the questions. 1 2 3 Sometimes a river falls over a cliff. Then it is a waterfall. Sometimes the water rushes over rocks. This fast-moving water is called rapids. A river slows down over flat land. It can also turn and make curves. The curves are called bends. 2 1 3 Some rivers end when they flow into another river. Some rivers end when they flow into a lake. Other rivers end when they flow into the. 1. What might be the best title of this passage? A River Begins What Is a River? A Moving River A River Ends 2. When do rivers end? What can you find in or around a river? Circle the correct answer. mud and earth fish and birds rain and snow sand and rocks when they flow over flat land when they flow into a lake or the ocean 3. What should come in the blank? Write the word. ocean 8Four Corners Workbook Follow a River9
Comprehension Comprehension Check Comprehension Comprehension Check Mark( ) on True or False. Answer the questions using the Word Bank. And write the number of the sentence in the box below that matches the word. 1. The place where a river begins is called its stream. True False [ Word Bank ] Yellow River Danube River Amazon River Nile River 2. Snow and ice melt in the spring and flow down the mountains to form a stream. True False 1. What is the longest river in the world? Nile River 4 3. A stream flows downhill. 4. Water from under the ground can also add to a river. True True False False 2. What is the widest river in the world? 3. What is the muddiest river in the world? Amazon River Yellow River 2 1 5. As a river flows over flat land, the water moves very quickly. True False 4. What is the river that flows through or touches more countries than any other river? Danube River 3 Answer the questions. 1. What is the place where a river begins? a stream a source a cliff 1. The mud it carries makes it a yellow color. 2. It carries more water than any other river. 3. It begins in Germany and ends in Romania. 4. It is 6,690 kilometers from its source to its end. 2. What is the place where a river falls over a cliff? a bend a lake a waterfall 10Four Corners Workbook Follow a River11
Building Sentence Structure When & Where Writing Amazing Mountain Facts Circle the correct word to complete the sentence. What do you know about mountains? Answer the questions about mountains below. 1. The place where is called its source. when a river begins What is a mountain? What is the highest mountain in the world? 2. A river fills where when it rains. How high is that mountain? Answer using kilometers. Where is that mountain? 3. Some rivers end where flow to the ocean. when they Write about the highest mountain above. A mountain is an area that rises to a great height. 4. The River Earn ends where reaches the River Tay. when it 5. The place where when a river ends is called the mouth. 12Four Corners Workbook Follow a River13
Listening Practice MEMO Listen to the sentence and fill in the blanks. 1. A place where a river begins is called its. Lakes springs 2. and can be sources of rivers. 3. Rivers can also begin in the. rains 4. A river fills when it. mountains widest source river 5. The Amazon River is the in the world. Listen to the paragraph and fill in the blanks. 6. A river is a of water. Rivers across the land. Some rivers are and wide. Some rivers are short and. 7. A stream flows. Sometimes other streams it. The stream large body flow long downhill becomes grows and a river. 8. Sometimes the water over rocks. This fast-moving water is called. Sometimes a river falls over a. Then it is a. 9. A river slows down over land. It can also and make. The curves are called. join narrow rushes rapids cliff waterfall curves mouth flat bends opens turn 10. The of the Nile River into the Mediterranean Sea. 14Four Corners Workbook Follow a River15
Four Corners WORKBOOK Follow a River Publisher Jae-yoon Chung Managing Director Hannah Lee Senior Editor Jung-ah Kim Project Editor Reese Ji Written by Jeong Hee Choi Proofread by Alwin G. Fontenot Recorded by Yeasung Media Tech Illustrated by Donghyun Lee, Youngjoo Jung Designed by DOD Design Printed by POD KOREA Copyright 2008 by Language World Co., Ltd. All rights reserved. No part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written consent of Language World Co., Ltd., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for distance learning. www.lwbooks.co.kr First Edition in 2008 ISBN 978-89-256-0005-5