UNCOVERING THE PAST  9

THINK AND DISCUSS (page 161)

1. Possible answers: Some treasure and important objects might be inside the temple. Some tools left by the people who built the temple might be there as well. There will probably be some art or carvings

on the walls.

2. Answers will vary.

3. Answers will vary.

EXPLORE THE THEME (page 162)

1. Possible answer: The image would allow an archaeologist to study the temple without visiting the site. This would be cheaper and more

convenient.

2. Possible answer: The image might be useful to help people measure the temple very accurately. This would allow them to replace damaged parts of the temple with new parts that are the perfect size.

3. Answers will vary.

Lesson A

vocabulary

A (page 164)

1. noun       6. verb

2. noun       7. noun

3. noun       8. noun

4. noun       9. verb

5. noun       10. adverb

B (page 164)

1. B           6. A

2. A           7. B

3. A           8. B

4. A           9. B

5. A           10. A

C (page 165)

1. collaboration

2. Possible answers: participation, civilization, collaboration, specialization

3. participant

4. proposal/proposition

5. Possible answers: archaeologist, economist, novelist, pharmacist, scientist

6. Possible answers: unlock, untie, unload, unpack, undo

D (page 165) Answers will vary.

LISTENING

A (page 166) Possible answers:

Positive: interesting, fascinating, rewarding, helpful, exciting

Negative: exhausting, tiring, hot, difficult, boring

B (page 166)

1. b; 2. d; 3. f; 4. e

C (page 167)

1. the past/learning more about where we came from

2. a report

3. ancient Greece, Rome, and Egypt

4. (earliest) pyramids (in the New World)

5. individuals

D (page 167) Answers will vary.

SPEAKING

A (page 168) Answers will vary.

B (page 168) Answers will vary.

C (page 169)

1. You can delete event, blocks, invention, and characters. Alphabet cannot be deleted because it would not be clear if This referred to the event, the creation, or the alphabet in the previous sentence.

2. Students read the paragraph aloud.

D (page 169) Answers will vary.

E (page 170) Answers will vary.

F (page 170)

1. Answers will vary.

2. Answers will vary.

3. Possible answers: Be polite and respectful of group members. Start the discussion by listing what you need to do and how much time you

have. Have each member speak in turn at first so that everyone has a chance to speak. Assign one person to be a moderator and have that person guide the discussion and make sure everyone participates.

G (page 170) Answers will vary.

LESSON TASK

A (page 171) Possible answers:

Similar: People need to eat, wear clothing, live in houses, use tools and utensils, live with family members, live in a community, walk places.

Different: People’s clothing, houses, tools, and utensils are made from synthetic materials; people are better protected from weather; eat a greater variety of foods; have larger houses, electricity and gas, more furniture, electronic devices and technology.

B (page 171) Answers will vary.

Video

A (page 172)

1. Answers will vary.

2. Possible answers: Modern ways to remember and respect important people are to build a statue of the person or name a building after him or her.

B (page 172)

1. landmark

2. tomb

3. theory

4. sophisticated

5. surface

6. carve

7. conquer

8. lower

C (page 173)

a. 4; b. X; c. 2; d. 5; e. 3; f. 1

D (page 173)

1. 656

2. 77

3. 29

4. 155

5. 126

6. 113

7. 1588

E (page 173)

1. Possible answers: The man would find that everything took a long time to do and required a lot of physical effort. He wouldn’t be able to

communicate easily with people who were far away or not with him. He might suffer because of the hot or cold weather. He wouldn’t be able to travel easily.

2. Possible answers:

a chef: ingredients and methods used in cooking

a fashion designer: how dyes and materials were made; what materials were used

a linguist: what early languages were like; what languages have disappeared and why

an architect: how buildings were built and what materials were used

3. Answers will vary.

4. Possible answers: People might be more understanding of history and more compassionate toward others. They might be more appreciative

of what they have now. We could more easily understand the real facts behind historical events. This could make the world a better place.

Lesson B

VOCABULARY

A (page 174)

1. artifact

2. scan

3. settlements

4. device

5. satellites

B (page 174)

1. Answers will vary.

2. Answers will vary.

3. Possible answers: We use scanning in medicine, in airport screening, in microscopes, and for on a printer.

4. Answers will vary.

C (page 175)

1. c; 2. a; 3. e; 4. d; 5. b

D (page 175)

1. Did you come across any useful data?

2. This coin dates from the time of Caesar.

3. We need to figure out the best schedule.

4. Ana needs to get on with her research.

5. I will look into how to get tickets.

E (page 175) Answers will vary.

LISTENING

A (page 176) Possible answers:

For question 1, listen for clues at the beginning of the discussion to see when the students meet. For question 2, listen to the tone of voice and friendly language that is used. For question 3, listen for the main idea.

B (page 176)

1. c; 2. c; 3. b

C (page 177)

c

D (page 177) Possible answer:

Questions 1 and 2 required them to draw conclusions.

E (page 177)

1. b only; 2. a only; 3. b only; 4. both a and b

F (page 177)

Possible answers:

Advantages of researching alone: You can work at the times that are most convenient for you and at your own speed. You can also work wherever you want—at the library, at a coffee shop, or wherever.

Disadvantages of researching alone: You have to do all of the work yourself and cannot share the work with anybody else. You cannot understand difficult concepts better by discussing them with others.

Advantages of working in a group: You can share the work. You can understand difficult concepts by discussing them with others.

Disadvantages of working in a group: You may have to work at a time and place that is convenient for everybody. You may not get along well with

everybody in the group. Some people may not do an equal amount of work.

SPEAKING

A (page 178)

1. Answers will vary.

2. Possible answers: One way to make sure everyone contributes equally is to assign each person specific tasks before starting work. Another way is to assign a leader whose job is to make sure each person is making an equal contribution.

B–E (pages 178–179) Answers will vary.

FINAL TASK

A–E (pages 179–180) Answers will vary.