3. Natural wonders Vocabulary Link
Lesson A The natural world
Lesson B The man-made world
Vocabulary Link
Natural wonders
Look at these pictures. Have you ever visited or seen places like these? Check (√) the boxes and tell a partner about your experiences. √
1. cave / cavern
2. desert
3. coastline √ √ √
4. harbor
5. hot springs
6. mountain range √ √
9. waterfall
7. cliff √ √ √
8. volcano

4. Lesson A The natural world
Lesson B The man-made world
Vocabulary Link
Natural wonders
Match the adjectives below with the places in these pictures. (Some adjectives can be matched to more than one place.)
a. active __
b. arid __
c. dark __ 8 2
1. cave / cavern
3. coastline 1
d. busy __
e. deep _____
f. high ________ 4
2. desert
1, 4, 5
4. harbor
5. hot springs
6, 7, 8, 9
6. mountain range
g. long _______
h. natural _____
i. steep ___
1, 3, 6, 7
9. waterfall
1, 4, 5
7. cliff
6, 7
8. volcano
Keys

5. Offering another opinion
Lesson A The natural world
Lesson B The man-made world
Speaking
A summer job overseas
Offering another opinion
Useful Expressions
Offering another opinion
That’s very nice, but …
Yes, but on the other hand …
Even so, …
But then again …
Yes, that’s quite true, but …
Well, you have a point there, but …
Maybe …, but don’t you think …

6. So what exactly did you do over the summer?
Lesson A The natural world
Lesson B The man-made world
Speaking
A summer job overseas
Gustav and Carolina are international students. They are telling Bart about their summer work experience in the United States. Practice the conversation with two people.
Bart:
Gustav:
Carolina:
So what exactly did you do over the summer?
We worked as volunteers at Glacier National Park.
I’ve never been there. What’s it like?
It’s beautiful. There are mountains and lakes … and, of course, glaciers!
How was the job?
We had to do a lot of physical work. It was kind of hard.
That’s true, but it was exciting, too! We actually saw bears!
Bart:
Carolina:
Wow! That does sound exciting. Maybe I should apply. I’ll need a job next summer.
Sorry, Bart, but you can’t apply to that program. It’s a special program for international students.

7. ____________________ cost
Lesson A The natural world
Lesson B The man-made world
Speaking
A summer job overseas
Imagine that you and your partner are looking for a place to live together as roommates. Write down some of the important things to consider.
____________________
cost
____________________
____________________
____________________

8. Read about these two possible places to live.
Lesson A The natural world
Lesson B The man-made world
Speaking
A summer job overseas
Read about these two possible places to live.
City apartment
Suburban home
expensive
near public transportation
small bedrooms
big balcony with a great view
big backyard
need a car
quiet neighborhood
nothing to do on weekends

9. A: The apartment in the city is expensive.
Lesson A The natural world
Lesson B The man-made world
Speaking
A summer job overseas
Discuss with your partner the positive and negative aspects of city apartment or suburban home.
A: The apartment in the city is expensive.
B: Even so, it’s near public transportation. We’ll save a lot of time.
A: I don’t think we can afford it. And I really don’t like the small bedrooms.
B: But it has a big balcony. Imagine sitting on the balcony and watching the sunset.

10. Lesson A The natural world
Lesson B The man-made world
Speaking
A summer job overseas
The Great Pyramid of Giza was the tallest structure in the world for more than 4,400 years, until the Eiffel Tower in Paris was built in 1889.

11. Work alone. Take this quiz.
Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
Work alone. Take this quiz.
What is the world’s …
1. busiest harbor?
2. largest island?
a. Singapore
b. Busan (South Korea)
c. Hong Kong (China)
a. Great Britain
b. Greenland (Denmark)
c. Honshu (Japan)
3. highest waterfall?
a. Tugela Falls (South Africa)
b. Angel Falls (Venezuela)
c. Sutherland Falls (New Zealand)
Keys

12. Work alone. Take this quiz.
Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
Work alone. Take this quiz.
What is the world’s …
4. oldest active volcano?
5. longest mountain range?
a. Kilauea (USA)
b. Yasur (Vanuatu)
c. Etna (Italy)
a. the Austrian Alps (Europe)
b. the Andes (South America)
c. the Urals (Europe)
6. longest cave?
a. Mammoth Cave (USA)
b. Hollach Cave (Switzerland)
c. Sistema Ox Bel Ha (Mexico)
Keys

13. Work alone. Take this quiz.
Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
Work alone. Take this quiz.
What is the world’s …
7. deepest lake?
8. largest desert?
a. Lake Superior (USA / Canada)
b. Lake Nyasa (Africa)
c. Lake Baikal (Russia)
a. the Sahara (North Africa)
b. the Australian (Australia)
c. the North American
(Mexico / USA)
9. longest coastline?
a. Australia’s
b. Canada’s
c. Chile’s
Keys

14. Work with a partner. Ask and answer the following questions:
Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
Work with a partner. Ask and answer the following questions:
Which of the places in this quiz would you like to visit? Least like to visit?
Why?
About how long do you think it would take to get there?
What do you think the place is like?

15. Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
First look at the pictures of these engineering feats. What do you know about them? Discuss with a partner. Then read about them to learn more.
This dam is an amazing engineering feat. The engineers changed the course of a huge river to be able to build it. Some people were against the project, while others supported it. It was a big controversy.
Itaipu Dam, Brazil and Paraguay

16. Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
First look at the pictures of these engineering feats. What do you know about them? Discuss with a partner. Then read about them to learn more.
There were severe obstacles that made building this bridge difficult. (One example is the strong water currents.) This incredible bridge can handle almost anything. It can withstand both high winds and earthquakes.
Akashi Kaikyo
Bridge, Japan

17. Lesson A The natural world
Lesson B The man-made world
Communication
What in the world?
First look at the pictures of these engineering feats. What do you know about them? Discuss with a partner. Then read about them to learn more.
Channel Tunnel, England and France
There are actually three tubes that connect the “Chunnel” to England and France. Two tubes accommodate trains while a third is an escape route. Trains transport both goods and people through the tunnel.