Balloons
Building Background Balloons
Vocabulary Fun and Useful & Inside a Balloon
What do you already know about ‘balloons’? What do you want to
know about them? Complete the K and W columns of the KWL chart
below.
What I Know
What I Want to Know
What I Learned
Read the definitions and write the words from the Word Bank.
[ Word Bank ]
solid
matter
liquid
gas
matter
1. what all things are made of
2. a kind of matter that is not a solid or a liquid and that
spreads out to fill the space inside something
gas
3. having a definite shape and weight
solid
4. a substance that flows easily and that is hard to compress,
such as milk, or water
liquid
5. the distance or open area within objects or between points
space
6. to furnish with something attractive or beautiful
Write a paragraph about what you want to know about balloons
using the information you completed above.
space
decorate
decorate
Circle the synonym of the underlined words.
1. Gases can spread out to fill the space inside something.
① stretch
② make
③ take
④ gather
③ increase
④ shrink
2. That makes the balloon inflate, or fill up.
① blow
2
Four Corners Workbook
② ride
Balloons
3
Comprehension Fun and Useful
Comprehension Inside a Balloon
Circle the correct answer.
Circle the correct answer.
1. What are most balloons filled with?
1. Which is true about balloons?
①
②
③
④
Some balloons are filled with water that is heated.
Scientists use balloons to learn about gases.
Some balloons can take people for rides.
The cold air makes balloons float upwards.
2. How do balloons help scientists?
①
②
③
④
Balloons help them study gases.
Balloons help them study the Earth, the Sun and space.
Balloons help them take people for rides.
Balloons help them take heavy loads for rides.
① gas
③ water
② liquid
④ wind
2. Which is true about gases?
①
②
③
④
A gas is a kind of matter that is a liquid.
A gas is a kind of matter that is a solid.
A gas is heavier than a liquid.
A gas is not a solid or a liquid.
3. Read the sentences and number them in order.
Read the sentences and circle the correct answer.
(
1
)
→( 4
)
→( 2
)
→( 3
)
(1) Balloons can be fun.
(2) Balloons can also be useful.
1. Which sentence supports the sentence (1)?
①
②
③
④
People use balloons to decorate and to play games.
People use balloons to learn about the Sun.
People use balloons to learn about the weather.
People use balloons to study about wind.
2. Which sentence supports the sentence (2)?
①
②
③
④
4
People use balloons to play games.
People use balloons to learn about the weather.
People use balloons to decorate.
People use balloons to parade with.
Four Corners Workbook
(1) Gases can spread out to fill the space inside something.
(2) As more air is added, the air pushes the sides of the balloon out.
(3) That makes the balloon inflate, or fill up.
(4) Air that is blown into a rubber balloon fills the space inside the balloon.
Balloons
5
Vocabulary Helium Balloons & Balloons That Carry People
Comprehension Helium Balloons
Complete the word puzzle using the Word Bank.
❶
b
1. Which one is true about helium?
t
r
u
r
n
e
❹
❷
a s k e
Circle the correct answer.
❸
d
i
r e c t i o
n
p
①
②
③
④
This is a gas that’s heavier than air.
This is a kind of matter that is a liquid.
Today people don’t use helium any more.
Many of the balloons in parades are filled with helium.
2. Why do helium-filled balloons float high into the sky?
i
r
❺
s
e
❼
i
❻
e
n
h
v e l p
k
e l i u
m
e
a
❽
f
l o a
①
②
③
④
Because helium is heavier than air.
Because helium is warmer than air outside the balloon.
Because helium is lighter than air.
Because helium is colder than air outside the balloon.
3. Which caption matches the picture?
t
[ Word Bank ]
sink
rise
basket
heat
float
envelope
direction
trip
helium
burner
Across
Down
1. the part of a balloon that carries people
1. the part of a balloon that heats gas
3. the line or course along which something
2. a passage from one place to another
or someone goes
place
4. to go up
5. to go down
6. the part of a balloon that holds gas
7. to make something warm or hot
Gases other than air can also inflate balloons.
Some balloons are filled with helium. This is a
gas that’s lighter than air.
①
②
③
④
Many of the giant balloons in parades are filled with helium.
The first hot-air balloon was built more than 200 years ago in France.
Some balloons are made to carry people into the sky.
Joseph and Jacques used fire to heat the air inside the balloon.
7. a gas that is lighter than air
8. to move or drift slowly through the air
6
Four Corners Workbook
Balloons
7
Comprehension Balloons That Carry People (1)
Read the paragraphs and circle the correct answer.
Some balloons are made to carry people into the sky. People ride in a
(1)_______ that is attached to the balloon.
Many balloons that carry people are filled with air that is heated. The hot
air is lighter than the colder air outside the balloon. The hot air rises above
the cold air, (2)______________________________.
Comprehension Balloons That Carry People (2)
Look at the picture and write the number of the sentence from the
box that matches the picture.
( 2 )
burner
( 1 )
envelope
1. What is the best title for the passage?
① How a Hot-Air Balloon Rises and Sinks
② Balloons That Carry People
( 4 )
③ Helium Balloons
Rising
④ Science Balloons
( 3 )
Sinking
<How a Hot-air Balloon Rises and Sinks>
2. What word goes in the blank (1)?
① seat
② basket
③ box
④ bucket
1. It holds the heated air.
3. The pilot turns down the burner.
2. It heats the air inside the balloon.
4. The pilot turns up the burner.
3. What phrase might fit in the blank (2)?
① which makes the balloon float upwards
② which is the balloon that carry people
③ which helps the scientists carry heavy loads
④ which makes people play games
8
Four Corners Workbook
Write about how a hot-air balloon rises and sinks in your own words.
When a pilot turns up the burner, the air inside the balloon
gets hotter. Then the balloon rises. When a pilot turns down
the burner, the air inside the balloon cools. Then the balloon
sinks. Letting air out of the balloon makes it sink, too.
Balloons
9
Vocabulary
Science Balloons
Comprehension Science Balloons (1)
Complete the word map below.
Circle the correct answer.
Example
1. What kind of instruments do scientists send using balloons?
Part of speech
Definition
adjective
very large in size
① instruments that collect facts about weather information
② instruments that collect facts about animals
③ instruments that are filled with helium
④ instruments that are filled with water
huge
Synonym
Example Sentence
big
This bridge is huge.
2. What is the synonym of the underlined word?
One type of balloon helps scientists predict the weather.
1.
Part of speech
Definition
a small tool used in
work such as
science or medicine
noun
instrument
Synonym
Example Sentence
It is an instrument
for washing dishes.
tool
Part of speech
2.
the air that
surrounds Earth
atmosphere
air
10
Four Corners Workbook
② make
③ fill
④ blow
3. What is the tool used to record information?
① helium
② science balloons
③ instrument
④ airplane
Definition
noun
Synonym
① guess
Mark( ) on True or False.
1. Balloons can help scientists to collect a lot of information.
True
False
2. Most weather balloons are filled with helium.
True
False
3. Science balloons also carry many people.
True
False
4. Science balloons can float very high.
True
False
Example Sentence
These gases pollute
the atmosphere of
the town.
Balloons
11
Comprehension Science Balloons (2)
Read the paragraphs and answer the questions.
Science balloons can float very high. Some have
traveled more than 30 _________ up into Earth’s
atmosphere. That’s higher than most airplanes fly.
______________________________________
Final Test (1)
1. What is the matter that isn’t a solid or a liquid?
① water
② stone
③ gas
④ oil
2. Why can helium-filled balloons float high into the sky?
① Because helium is very hot.
② Because helium can inflate balloons.
These instruments help scientists study space. The
③ Because helium is colder than the air.
information scientists collect from balloons helps
④ Because helium is lighter than the air.
us learn more about the world.
3. Which is true about balloons?
① Some balloons are made to carry people into the sky.
② The first hot-air balloon was built more than 2,000 years ago.
③ Most of the balloons are used to carry heavy loads.
④ A hot-air balloon cannot float in the air.
1. What is the best title for the paragraphs?
① Balloons Are Fun
② Science Balloons
③ Airplane
④ Balloons That Carry People
4. Why do the balloons that carry people float upwards?
① Because the hot air is lighter than the cold air.
② Because the hot air is made up of helium.
③ Because the hot air is heavier than the cold air.
2. What word goes in the first blank?
① grams
② kilometers
③ meters
④ kilograms
④ Because the hot air is made up of gases.
5. Write about what Steve Fossett did with a balloon in your own words.
3. What sentence goes in the second blank?
① Some balloons are made to carry people into the sky.
② This science balloon is being sent up near Alice Springs in central Australia.
③ The first hot-air balloon was built more than 200 years ago in France.
④ Many science balloons carry telescopes and other instruments.
12
Four Corners Workbook
He was the first person to make the trip alone without
stopping. In 2002, he flew around the world in a balloon
filled with hot air and helium. He began his trip in
Australia and landed back fourteen days later.
Balloons
13
Final Test (2)
Grammar ‘Can’ for Ability (1)
Circle the words to make sense and write them.
1. Which is true about the first hot-air balloon?
① Two brothers, Joseph and Jacques, filled the balloon with helium.
② The first hot-air balloon was built more than 2,000 years ago in France.
③ Two brothers, Joseph and Jacques, used fire to heat the air inside the balloon.
④ The first hot-air balloon was built more than 200 years ago in England.
2. What are most weather balloons filled with?
① oil
② water
③ helium
④ instrument
3. Why do most weather balloons carry instruments?
1.Elephants (can can’t) fly.
can’t
2. Dogs (can can’t) swim.
can
3. Cats (can can’t) climb trees.
can
4. Kangaroos (can can’t) jump.
can
5. Horses (can can’t) climb trees.
can’t
① to play games
② to decorate balloons
③ to make a trip to America without stopping
④ to collect facts about temperature and other weather information
Circle the correct words to make sense and write them.
4. What is the instrument that science balloons carry?
① telephones
② airplanes
③ telescopes
④ computers
1. Balloons (can can’t) be fun.
2. Balloons (can can’t) be useful.
5. Write about what science balloons do and how they help us in your own words.
Science balloons carry telescopes and other instruments.
These instruments help scientists study space. The
information scientists collect from balloons helps us
learn more about the world.
14
Four Corners Workbook
3. Gases (can can’t) spread out to fill the
space inside something.
can
can
can
4. Balloons (can can’t) help scientists.
can
5. Science balloons (can can’t) float very high.
can
Balloons
15
Grammar ‘Can’ for Ability (2)
Writing Balloons
Make sentences about what you ‘can’ and what you ‘can’t’ using the
words from the Word Bank.
[ Word Bank ]
football
piano
basketball
What did you learn about balloons? Complete the chart below.
I learned about balloons….
guitar
1.
Example
I can play tennis.
I can’t play the piano.
2.
1.
3.
2.
3.
4.
4.
5.
Write questions with ‘can’ using the words from the Word Bank.
[ Word Bank ]
tennis
Example
trumpet
drums
baseball
Write a paragraph about what you learned about balloons
using the information from the chart you completed above.
Can you play tennis?
Can you play the piano?
Can you play the trumpet?
2. Can you play the drums?
3. Can you play baseball?
1.
16
Four Corners Workbook
Balloons
17
Listening Practice
MEMO
Listen to the sentence and fill in the blanks.
gas
1. Most balloons are filled with __________.
hot
built more than 200 years ago in France
2. The first __________-air
balloon was __________
carry people for great distances.
3. Balloons can __________
predict the weather.
4. One type of balloon helps scientists __________
5. Many science balloons carry telescopes
__________ and other instruments.
Listen to the paragraph and fill in the blanks.
useful
6. Balloons can also be ____________.
Scientists use them to learn about the
weather Balloons help scientists study Earth, the Sun and ____________.
space
____________.
fill
7. Gases can spread out to ____________
the space inside something. Air that is blown
inside the balloon. As more air is added,
into a rubber balloon fills the space ____________
out
pushes the sides of the balloon ____________.
the air ____________
That makes the balloon
inflate
____________,
or fill up.
air
8. Gases other than ____________
can also inflate balloons. Some balloons are filled
lighter than air. Because helium is so light,
with helium. This is a gas that’s ____________
float
high
helium-filled balloons can ____________
____________
into the sky.
heated The hot air is
9. Many balloons that carry people are filled with air that is ____________.
outside the balloon. The hot air rises above the cold
lighter than the colder air ____________
upwards
air, which makes the balloon float ____________.
instruments that
weather balloons are filled with helium. They carry ____________
10. Most ____________
temperature and other weather information.
collect facts about ____________
18
Four Corners Workbook
Balloons
19
Four Corners
WORKBOOK
Balloons
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 978-89-256-0013-0