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
(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.
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?
___ __
(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.
__
What is the biggest waterfall in the world?
___ __
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(
3
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→
(
1
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→
(
2
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Follow a River
3
Building Vocabulary High - Frequency Words of, over, into
Building Vocabulary Key Words
Complete the crossword puzzle.
Read and circle the sentence that matches the picture.
1.
❶
r
a
p
i
b e n d s
t
s o u r c e
c
e
l a k e
a
m
a
n
❸
❷
❹
❻
i v e r
❺
A stream flows downhill
A river is a large body of water.
[ Word Bank ]
2.
Lakes can be sources of rivers.
rapid
We can find bears on mountains.
source
stream
bends
3.
river
Sometimes the water rushes over rocks.
lake
Rivers end when they flow into the ocean.
ocean
4.
Across
Down
The place where a river begins is called
a source.
1. a large body of water that flows across
1. the place where a river rushes over
Sometimes a river falls over a cliff.
land
2. twists and turns in a river
3. a small body of flowing water
4. the place where a river begins
5. the sea
6. a large area of water surrounded by
land
4
rocks
Four Corners Workbook
5.
The curves are called bends.
Some rivers end when they flow into a lake.
Follow a River
5
Comprehension Comprehension Check
Read the sentences and write the correct answer.
Comprehension Comprehension Check
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 What Is an Animal?
② What Is a River?
③ How Do Animals Move?
④ How Do Rivers Move?
Write a sentence that tells the main idea of the passage above.
This is a large body of water.
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Four Corners Workbook
1. The place where a river begins is called
its source.
Yes
No
2. Lakes and springs can be sources of rivers.
Yes
No
3. Rivers can not begin in the mountains.
Yes
No
4. A stream flows upward the hill.
Yes
No
Where do rivers begin? Circle the correct answer.
① mountains
② oceans
③ lakes or springs
④ hills
Follow a River
7
Comprehension Comprehension Check
Comprehension Comprehension Check
Look at the picture and write the number of the picture that matches
the sentence.
(1)
(2)
Look at the picture and answer the questions.
(3)
Sometimes a river falls over a cliff. Then it is a
waterfall.
(2)
Sometimes the water rushes over rocks.
This fast-moving water is called rapids.
(1)
A river slows down over flat land. It can also turn
and make curves. The curves are called bends.
(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?
① A River Begins
② A Moving River
③ What Is a River?
④ A River Ends
2. When do rivers end?
What can you find in or around a river? Circle the correct answer.
① when they flow over flat land
② when they flow into a lake or the ocean
① mud and earth
② fish and birds
③ rain and snow
④ sand and rocks
3. What should come in the blank? Write the word.
ocean
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Four Corners Workbook
Follow a River
9
Comprehension Comprehension Check
Comprehension Comprehension Check
Answer the questions using the Word Bank. And write the number of
the sentence in the box below that matches the word.
Mark( ) on True or False.
1. The place where a river begins is called
its stream.
True
[ Word Bank ]
False
Yellow River
2. Snow and ice melt in the spring and flow
down the mountains to form a stream.
True
Danube River
Amazon River
False
2. What is the widest river in the world?
Nile River 4
Amazon River 2
3. What is the muddiest river in the world?
Yellow River 1
4. What is the river that flows through or
touches more countries than any other river?
Danube River 3
1. What is the longest river in the world?
True
3. A stream flows downhill.
4. Water from under the ground can also
add to a river.
True
5. As a river flows over flat land, the water
moves very quickly.
True
Nile River
False
False
False
Answer the questions.
1. The mud it carries makes it a yellow color.
2. It carries more water than any other river.
1. What is the place where a river begins?
① a stream
② a source
3. It begins in Germany and ends in Romania.
③ a cliff
4. It is 6,690 kilometers from its source to its end.
2. What is the place where a river falls over a cliff?
① a bend
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Four Corners Workbook
② a lake
③ a waterfall
Follow a River
11
Building Sentence Structure When & Where
Circle the correct word to complete the sentence.
1. The place (where when) a river begins
is called its source.
Writing Amazing Mountain Facts
What do you know about mountains? Answer the questions about
mountains below.
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.
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Four Corners Workbook
Follow a River
13
Listening Practice
MEMO
Listen to the sentence and fill in the blanks.
source
1. A place where a river begins is called its ___________.
Lakes and ___________
springs can be sources of rivers.
2. ___________
mountains
3. Rivers can also begin in the ___________.
rains
4. A river fills when it ___________.
widest ___________
river in the world.
5. The Amazon River is the ___________
Listen to the paragraph and fill in the blanks.
large __________
body of water. Rivers __________
flow across the land.
6. A river is a __________
long and wide. Some rivers are short and __________.
narrow
Some rivers are __________
downhill Sometimes other streams __________
join it. The
7. A stream flows __________.
stream grows and __________
becomes a river.
__________
rushes over rocks. This fast-moving water is called
8. Sometimes the water __________
rapids Sometimes a river falls over a __________.
cliff
waterfall
__________.
Then it is a __________.
flat land. It can also __________
turn and make
9. A river slows down over __________
curves The curves are called __________.
bends
__________.
mouth of the Nile River __________
opens into the Mediterranean Sea.
10. The __________
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Four Corners Workbook
Follow a River
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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