3º SS Unit 5 – TIME AND HISTORY (Student´s Book and Activity Book SOLUTIONS)

HOMEWORK:

1. Please, check the solutions to the exercises you did this week from the books of S.S. (Student´s Book and Activity Book).

UNIT 5 Social Science – TIME AND HISTORY

3º SS STUDENT´S BOOK (solutions)

PAGES 80, 81

SOLUTIONS

1 To protect them from potential invaders.

2 Johannes Gutenberg, a German goldsmith, adapted existing technologies to make the first printing press around 1440.

3 - 15th century; 18th century.

4 - Telephone – for communication; X-ray – for medical research; radio – to transmit and receive verbal information; television – to transmit visual information; vaccines – ostensibly to protect people and animals against disease.

5 Pupils' own answers.

6 The digital era is the name given to the period starting in the 1970s when the personal computer and related technology which provided the ability to communicate and transfer information freely and quickly were introduced.

7 - 1781 – steam engine; 1834 – fridges; 1839 – photography; 1921 – antibiotics.

PAGES 82, 83

SOLUTIONS

1 - 1. as footwear; 2.for writing; 3.for traveling; 4.for listening to music; 5.for speaking with people;  6.for capturing images.

2 - Possible answers:

1. Today people wear shoes made of leather, rubber or fiber.

2.Today people use biros or word processors.

3. Today people use cars, buses or trains.

4. Today people use stereos, radios or the internet.

5. Today people speak on telephones or mobile phones.

6.Today people use digital cameras or mobile phones.

3 - Possible answers: on foot / riding animals / carts / carriages / steam trains / steam boats / cars / planes / rockets.

4 Pupils' own answers.

5 Pupils' own answers.

6 Pupils' own answers.

7 Pupils' own answers.

PAGES 84, 85

SOLUTIONS

1 – History (ANCIENT History / THE MIDDLE Ages / THE MODERN Age / THE CONTEMPORARY Age)

2 - a. There are ten years in a decade. - b. There are a / one hundred years in a century. (100 / one hundred / a hundred).

3 - Palaeolithic: simple tools, nomads; Neolithic: communities, domestic animals, crops, complex tools.

4 - a. 3; b. 1; c. 4; d. 2

5 - Ancient History began when written history began.

The Middle Ages began when the Roman Empire fell.

The Modern Age began when Columbus discovered America.

The Contemporary Age began after the French Revolution.

6 - a. 3; b. 2; c. 1

7 -

Pupil A

a. How many years are there in a century? (100)

b. When did the Modern Age begin? (1492)

c. Why was the invention of the printing press important? (Mass communication)

Pupil B

a. Which period comes before the Middle Ages? (Ancient History)

b. When did Christopher Columbus discover America? (1492)

c. When did the Middle Ages begin? (After the fall of the Roman Empire)

3º SS ACTIVITY BOOK (solutions)

PAGE 26

SOLUTIONS

2 – (5) The Contemporary Age - (4) The Modern Age - (1) Prehistory – (3) The Middle Ages – (2) Ancient History

PAGE 28

SOLUTIONS

8 – b. mosques – c. castles and walls – d. cathedrals – e. Christian and Islamic.

PAGES 29

SOLUTIONS

9 – WRONG (1450) RIGHT (1492) – WRONG (Big) RIGHT (Small) – WRONG (Hieroglyphics) RIGHT (electricity)

11 – TRANSPORT (car / aeroplane) COMMUNICATION (television / telephone) MEDICINE (X-ray / vaccines)