Big Questions 1

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Reading for Fostering English Skills & Academic Curiosity

is a three-level reading series designed for intermediate learners of English. This series aims to help students develop their abilities to read and understand the features of nonfiction texts. As students’ reading abilities grow, the importance of reading expository texts becomes greater and greater. However, expository texts are more challenging to understand because they include new concepts and content-specific vocabulary. To help students become familiar with expository texts in an easier and more interesting way, Big Questions series focuses on answering questions on topics that students want to know more about, including science, history, and social studies. By reading the articles and finding the answers to these questions, students will learn how to process information in texts and will develop their knowledge of various topics as well as their English language skills.

Features

1 1

• Familiar topics that are related to school subjects • Articles with interesting contents and big questions that make students curious • Prepare to Read section for building background knowledge • Useful and academic vocabulary • Strong visual aids such as pictures, charts, and maps to help students understand the

nonfiction texts better

• Comprehension questions, including reading skill exercises • Summarizing and paraphrasing exercises to help students respond to the texts

Components Student Book / Workbook / Audio CD Downloadable Resources: www.clueandkey.com

ISBN 978-89-6884-631-1 978-89-6884-630-4( SET)

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At a Glance

UNIT

SUBJECT

01

Science

02

Science

What Is the Brightest Star in the Night Sky?

03

Social Studies

What Are the Largest and Smallest Countries in the World?

04

Language Arts

How Can a Man Be As Strong As an Ox?

05

Physical Education

What Do the Olympic Rings Mean?

06

Science

How Do We Know That Dinosaurs Ever Existed?

07

Science

How Can a Train Not Run on a Track?

08

History

How Did Ancient Egyptian Civilization Develop?

Biology

Astronomy

Geography

Biology

Physics

BIG QUESTIONS How Many Bones Do We Have?

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READING

VOCABULARY

READING SKILL

The Bones in the Human Body

combine, decrease, protect, organ, key, control

Detail

The Night Sky

heavenly object, naked eye, telescope, appear, constellation, galaxy

Connecting Words

The Countries in the World

continent, nation, tiny, island, population, billion

Summarizing

Figures of Speech

powerful, figure of speech, creative, compare, exaggeration, stress

Guessing Unknown Words

The History of the Olympics

ancient, pentathlon, last, athlete, interlocked, represent

Chronological Order

Dinosaurs and Their Fossils

species, fearsome, predator, paleontologist, fossil, preserved

Main Idea

Maglev Trains

cargo, levitate, maglev train, repel, magnetized, friction

Summarizing

Ancient Egypt

advanced, hieroglyphics, wander, flood, silt, search

Cause & Effect

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At a Glance

UNIT

SUBJECT

BIG QUESTIONS

09

Science Biology

Why Do Humans Have Different Skin Colors?

10

History

How Big Was the Roman Empire?

11

Science

Can We Dig in the Ground and Reach the Other Side of the Earth?

12

Science Ecology

Why Are Rainforests Important to the Earth?

13

Math

How Are the Great Pyramid of Giza and the Mona Lisa Related?

14

Social Studies

15

Music

16

Social Studies

Earth Science

Geography

What Is the Deepest Lake in the World? What Are the Four Families of Musical Instruments? How Is a President Different from a King?

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READING

VOCABULARY

READING SKILL

Humans and Their Skin Colors

characteristic, skin, pigment, climate, produce, ray

Compare & Contrast

The Success of Rome

legend, military, legion, custom, peninsula, expand

Chronological Order

The Layers of the Earth

diameter, layer, intense, liquid, survive, impossible

Detail

The Earth’s Rainforests

ecosystem, amount, rich, estimate, oxygen, furniture

Cause & Effect

The Golden Ratio

major, ratio, determine, entire, consider, geometry

Main Idea

The Seven Continents

huge, forested, run through, connected, landmass, freezing

Compare & Contrast

The Modern Orchestra

orchestra, fairly, form, modern, common, crucial

Guessing Unknown Words

From Kings to Presidents

rule, decision, government, branch, interpret, carry out

Connecting Words

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How to Use This Book Prepare to Read Reading brings us knowledge and enjoyment. But to read successfully, we need background knowledge of topics and vocabulary. Building your background knowledge will make your reading more effective and enjoyable.

Science - Astronomy

Target Vocabulary

Big Questions series includes contents about various school subjects.

In each unit, six new target vocabulary words are given along with simple definitions.

Big Questions Do you know the answer to this question? You may or may not. But don’t worry. The main article will provide you with the answer. These big questions in the opening part of the unit will motivate you to read the main article with a purpose.

I Know This! This section lets you check your background knowledge with easy questions. Now, you are ready to read.

Building Background Knowledge You can build your background knowledge with pictures and basic vocabulary words.

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Read to Learn The nonfiction texts present a lot of information. While reading these articles, you will learn many things about school subjects and our world. When you read each article the first time, try to focus on understanding the big idea of the article and on finding the answer to the Big Question!

Read to Learn

I Learned This!

Try to find the answer to the Big Question in the main article. These texts also include a lot of information about school subjects.

This section will help you understand the gist and organize the important information by finding the main topic and the answer to the Big Question.

Picture Room These photos, maps, charts, and illustrations will help you understand the nonfiction texts better.

Dictation Tests of the main passages are available at www.clueandkey.com.

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Beyond Reading Now read the main article again while looking at the details and check your understanding. Activate your reading skills to summarize. Then, link the newly learned information with your own world. This process will make you a successful reader and learner.

Details

Paraphrase

More comprehension questions are provided to check the specific information you learned.

By completing the summary of the main article, you can practice your paraphrasing skills.

Reading Skills

Your Opinion

The last comprehension question checks your understanding by using various reading skills. These reading skills will help you read nonfiction texts more efficiently.

This personalization step will enable you to learn the information in a meaningful way and will also serve as an effective speaking and writing exercise.

Workbook The workbook will help you review the target vocabulary and practice structuring sentences. In addition, the paraphrasing exercises will strengthen your understanding of the articles as well as your English skills.

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Contents Unit 01

How Many Bones Do We Have?

10

Unit 02

What Is the Brightest Star in the Night Sky?

16

Unit 03

What Are the Largest and Smallest Countries in the World?

22

Unit 04

How Can a Man Be As Strong As an Ox?

28

Unit 05

What Do the Olympic Rings Mean?

34

Unit 06

How Do We Know That Dinosaurs Ever Existed?

40

Unit 07

How Can a Train Not Run on a Track?

46

Unit 08

How Did Ancient Egyptian Civilization Develop?

52

Unit 09

Why Do Humans Have Different Skin Colors?

58

Unit 10

How Big Was the Roman Empire?

64

Unit 11

Can We Dig in the Ground and Reach the Other Side of the Earth?

70

Unit 12

Why Are Rainforests Important to the Earth?

76

Unit 13

How Are the Great Pyramid of Giza and the Mona Lisa Related?

82

Unit 14

What Is the Deepest Lake in the World?

88

Unit 15

What Are the Four Families of Musical Instruments?

94

Unit 16

How Is a President Different from a King?

100

Vocabulary Check

106

Self - Evaluation List

110

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Science - Biology

UNIT

01

?

Big Question : Think and talk together.

How Many Bones Do We Have

Prepare to Read Look at the picture and put the words in the correct blanks. head

heart

brain

stomach

foot

arm

hand

knee

6 1

2 7

3

4 8

5

10

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Target Vocabulary

Track 02

Listen and repeat. Then, check the meaning of each word. combine to come together; to unite and become one decrease to become less in number; to become smaller protect to take care of; to keep safe organ a group of tissues in the body that perform a specific task key important; major control to have power over

I Know This! Read and choose the answers you think are correct. 1 A person has

.

2 Bones are usually

a two arms

a black

b four feet

b hard

c one knee

c soft

3 The brain is in the

.

4 The

a stomach

organ.

b arm

a heart

c head

b foot

.

is a human

c leg

Unit 01 11

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Read to Learn

The Bones in the Human Body 1

Track 03

A human baby has more than 300 bones. But these bones start to change

as the child grows older. Many of the bones grow together. So two or three bones combine to become a single bone. Over time, the number of bones in the body decreases. An adult human has 206 bones.

The hands and feet

have the most bones. Each hand has 26 bones, and each foot has 27 bones. The bones have different shapes, but all of the bones are very important. They provide support for the body. People can move around thanks to their bones.

Picture Room A

B

The many bones in our hands and feet let us move them freely.

C

Bones have different shapes and do different jobs.

D

The ribcage protects some organs.

The skull protects the brain.

12

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Bones also protect people. There are many organs in the body. The

2

heart, lungs, and brain are three key organs. The heart pumps blood to the body, and the lungs take in air. We can breathe thanks to the lungs. And the brain controls the thinking processes of the body. There are lots of other organs, too. The liver and kidneys are two important organs. Bones protect many of these organs.

The ribcage keeps the heart and lungs safe.

And the

skull keeps the brain safe.

The eyes a re an organ . They let people see .

I Learned This! Main Topic

1 This passage is mainly about

.

a how the human body works b the organs in the human body c human bones and their importance Big Question

2 How many bones does an adult human have?

→ An adult human has

.

Unit 01 13

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Reading Comprehension Choose the correct answers. Details

1 Which controls the thinking processes of the body? a

b

c

2 How many bones does a foot have? a

26

b

27

c

206

c

skull

3 Which is NOT mentioned about bones? a b c

They support the body. They protect the organs. They help people breathe.

Inference

4 What can be inferred about bones? a b c

They are smaller than most organs. They can become bigger over time. Most of them are located in the legs.

Reading Skill: Detail

5 Which of the following is an organ? a

liver

b

ribcage

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Reading Extension Paraphrase

1 Fill in the blanks by using the given words.

Human babies have more than 300 bones. But bones. Some bones

have 206

as humans get older. Bones support

the body. So people can

. They protect the body, too.

The body has many organs. These include the

, lungs,

and brain. The bones keep these organs safe. The protects the heart and lungs. The

protects the brain.

skull

move

combine

heart

ribcage

adults

My Opinion

2 Read and answer the questions. Then, talk with your partner.

Q1 What did you learn about the human body? Neil I learned that babies have more bones than adults.

Me I learned that

.

Q2 What do you think the most important organ is? Why? Neil

The most important organ is the stomach. It helps me eat a lot of delicious food.

Me

The most important organ is the

.

Unit 01 15

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Reading for Fostering English Skills & Academic Curiosity

WORKBOOK

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UNIT

01

How Many Bones Do We Have?

Read and choose the correct words.

combine key

decrease control

protect organ

to have power over to take care of; to keep safe important; major to become less in number; to become smaller to come together; to unite and become one a group of tissues in the body that perform a specific task

Circle and write the correct word for each blank. The brain

controls

our behavior.

( controls / decreases )

The heaviest

in the body is the brain. ( bone / organ )

The

sentence in an article is usually the first one. ( key / control )

Then, put the butter and milk into a bowl and

them. ( protect / combine )

We need to

the Earth. ( protect / decrease ) Unit 01

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Unscramble the sentences. baby / A / has / 300 / bones / human / more / than / . adult / 206 / has / bones / An / human / . The hands / have / most / bones / and feet / the / . support / the body / for / provide / They / . the body / in / many / There are / organs / .

Choose the best words to make the sentences have the same meaning. Over time, the number of bones in the body decreases. ⇢ Over time, the number of bones in the body goes

up

down .

People can move around thanks to their bones. ⇢ We can move around because so we have bones. The heart, lungs, and brain are three key organs. ⇢ The three most strong heart, lungs, and brain.

important organs in the body are the

The ribcage keeps the heart and lungs safe. ⇢ The ribcage protects

controls the heart and lungs.

2

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Reading for Fostering English Skills & Academic Curiosity

is a three-level reading series designed for intermediate learners of English. This series aims to help students develop their abilities to read and understand the features of nonfiction texts. As students’ reading abilities grow, the importance of reading expository texts becomes greater and greater. However, expository texts are more challenging to understand because they include new concepts and content-specific vocabulary. To help students become familiar with expository texts in an easier and more interesting way, Big Questions series focuses on answering questions on topics that students want to know more about, including science, history, and social studies. By reading the articles and finding the answers to these questions, students will learn how to process information in texts and will develop their knowledge of various topics as well as their English language skills.

Features

1 1

• Familiar topics that are related to school subjects • Articles with interesting contents and big questions that make students curious • Prepare to Read section for building background knowledge • Useful and academic vocabulary • Strong visual aids such as pictures, charts, and maps to help students understand the

nonfiction texts better

• Comprehension questions, including reading skill exercises • Summarizing and paraphrasing exercises to help students respond to the texts

Components Student Book / Workbook / Audio CD Downloadable Resources: www.clueandkey.com

ISBN 978-89-6884-631-1 978-89-6884-630-4(SET)

Big Question_표지_최종.indd 1

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