Reading Explorer Intro

Explore Your World!

4

Scope and Sequence

6

Introduction

8

Unit 1 Mysteries

9

Unit 2 Favorite Foods

19

Unit 3 That's Entertainment!

29

Review 1

39

World Herrtage Spotlight: Mystery Unes

40

Vocabulary Building

42

Unit 4 True Tales

43

Unit 5 Outdoor Activities

53

Unit 6 History and Legends

63

Review 2

73

World Heritage Spotlight: Rock of Legends

74

Vocabulary Building

76

Unit 7 Mind's Eye

77

Unit 8 Animal Wonders

87

Unit 9 Treasure Hunters

97

Review 3

107

World Herrtage Spotlight: A Love Poem in Stone

108

Vocabulary Building

110

Unit 10 Education

111

Unit 11 Giants of the Past

121

Unit 12 Technology

131

Review 4

141

World Heritage Spotlight: Smoking Wonderland

142

Vocabulary Building

144

Vocabulary Index

145

Video Scripts

148

Credits

160

An explorer's 1985 discovery in the North Atlantic , was big news around the world. What did he find? p. 45

Yellowstone is America's oldest national park. It is also the most dangerous. Why? p. 142

• The Mexican city of Oaxaca is famous for its festivals and its food. Why are they special? p. 28

,. Researchers at the University of California are studying dreams. Why do we have dreams-and what do they tell us? p. 83

In the United States, there are more statues of Sacagawea than any other American woman. Why is she famous today? p. 65

•.

The Nazca lines are one of the wonders of the ancient world . What are they? p. 40

4

Explore Your World!

In 1533, a great golden treasure was buried in the Andes What happened to it? p. 99

The world's richest horse race takes place each year in Dubai. What's the prize? p. 62

In 2007, a mysterious body was discovered in Siberia. Where-and when -did it come from? p. 123

Scientists in South Korea have developed a new kind of robot called EveR-1 . What can it do? p. 135

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0. Compldian. Cotr'QIeI9 'r.o_us

Amanda Kitts learns to use the

Proto 1 arm computer system, a kind of robotic arm.

a reality. Scientists discovered t hat even though a body part is gone, the 1. _ _ __ _ __

of nerves

which connect it to the brain still works. With this kn owledge, they can 2. _ _ _ __ __ machines to pick up signals from the brain, so peop le can operate them just by thinking about t he action itself. After losi ng her arm in a car accident in 2006, Amanda Kitts call1dn '[ pick up items, 3. ____ _ _ _ a car, or do other everyday things. Now she has the opportunity to 4.

the missin g arm with a robotic one. The sa me princip les apply to deaf

or blind people. Jo Ann Lewis, a blind woman, can now sec t he shapes of trees using a tiny came ra that co nnects

to

the nerves around he r eyes.

However, this technology is still very new. Some people do not respond well to the 5. and have to stop. Jo Ann Lewis, for example, still cannot see 6. clearly, or even cross a road. But it won't be too long before scientists 7. _ __ _ __ _ in joining man and machine.

B. Definitions. Use the correct form of the words in the box in A to complete the definitions. 1. Aln) _ _ _ _ is a set of instructions for a computer to do something. 2. Aln)

is the smallest part of your body.

3. Aln)

is attached to an object and gives

information about it.

4. If something is 5. Aln)

. it is strong and not soft. is a design of lines or shapes.

Usage You drive a car, bus, or truck . You ride a bicycle or motorcycle. I ride a bicycle to school. My brother drives a car to work.

12 B Future Worlds

139

MORE

Mars Rovers A. Preview. Read the information. Then match each word in blue with a definition.

So me people call Mars "the Red Plan er. " It's close to Earth, and some scientists think there might be life there. To get more in forma.tion about Mars, robot explorers have landed on its sur face. We have learned some surprising th ings from thei r work. 1. things that are alive _ _ __ 2. a larne, round object in space that moves around the sun _ _ __

... Spirit and its twin robot Oppoounity have IraveIed more than 20 km across the rocky

3. the top or outside part of something _ _ __

suiace 01 Mars, and have gNen us a lot of rew irlformation about the planet.

4. arrive somewhere after a trip _ _ ___

B. Summarize. Watch the video, Mars Rovers . Then complete the summary below with words from the box. Two words are extra.

aid alternative

drive existed

operate patterns

rough signs

single whereas

The planer Mars is ve ry interesting to scientists beca use it is the closest and most similar to Earth. For example, Mars has seasons with different weather, 1. other pl anets have the same temperatures all yea r round. Did life exist on Mars? To find out, scientists need to know if Mars ever had water. In 2004, two robot explorers, or "rovers," called Spirit and Opportunity were sent to Mars to look for 2. of water. These rovers can 3. _ __ __ __ over rocks and all kinds of 4. ground. They can also 5. cameras and send photos back to Earth. First, the in the rocks that two rove rs fo und chemicals and 6. were pro bably made by water. Then they moved to a( n ) 7. area and fo und other rocks whic h may have bee n created by water. Now scientists think there was probably wate r on the planet lo ng ago. They still don't know if life ever 8. _ _ _ _ _ __ on Mars. Bur they received a lot of important informatio n that will help them in the futu re.

C. Think About It, 1. Do you think governments should spend money for space projects like the

Mars rovers? W'r or why not? 2. How will technol<

make our lives better in the futul

To learn more about technology, visit elt.heinle.com/explorer

140

Unit 12 Technology

A. Crossword. Use the definitions below to complete the missing words.

Across 1. uneven, not smooth 4. only one 6. smallest part of an animal or plant

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8. able or likely to hurt you 9. \0 tlE;p 10. to reach a goal or do well at something 13. a short distance away 15. to do something often to get better a\ IT 17. to join together 18. medical attention given to sick or injured people 19. as good as it can possibly be

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2. to make a machine work, e.g., a robot 3. If you _ _ to do something, you plan or hope to achieve it. 5. A _ _ of something is a part of it. 6. to press something hard until it breaks 7. A _ _ store is one that is in your area or town. 11. action taken to protect against attack F 12. a belief about the way people should behave 14. central or most important part of something 16. The _ _ of an organization are the people who work for it.

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B. Notes Completion. Scan the information on pages 142-143 to complete the notes.

Field Nofe5 Site:

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