Exercises page 31

Exercise 1

A - chemistry

B - archeology

C - ecology

D - geology

E - marine biology

F - physics

 

Exercise 2

1. Photo C

2. Photo D

 

Exercise 3

1. A chemist finds ways to make chemicals useful to society

2. An ecologist studies ways of protecting the enviroment

3. A geologist studies rocks and the History of the earth

4. A physicist asks big questions about the laws of nature

5. An archaeologist studies people who lived thousand of years ago

6. A marine biologist studies, observes and peotects marine life

 

Exercise 4

1. B

2. F

3. A

4. D

5. C

 

Exercise 5

1. Who wants to collect cures about global warming? Speaker 5

2. Who wants to make new discoveries and find new evidence? Speaker 1

3. Who loves doing experiments and analysing data? Speaker 3

4. Who spent hours in the Egyptian room in the Louvre? Speaker 4

5. Who is doing research into climate change? Speaker 2

 

Exercise 6

1. Archeology - archaeologist

2. Biology - biologist

3. Chemistry chemist

4. Ecology - ecologist

5. Geology - geologist

6. Mathematics - mathematician

7. Physics - physicist

8. Scienze - scientist

 

Exercises page 34

Exercise 1

People don't use cars for every journey, but they can use plains or trains to travel.

People don't call their friends from a home phone; they have relationships with new technologies for example smartphone and social media.

At school, people don't have type writers now, but there are computers in any classroom.

People don't take snapshots, but they use their mobile phones to take photos.

 

Exercise 2

1. He used to phone people from the phone in sitting room. T
2. He used to sent text messages. F
3. He didn’t use to live near his friends. F
4. His mum didn’t use to like the loud music in his bedroom. T
5. His parents bought him a camera for his sixteenth birthday. T
6. He used to have five or six good friends. T

Exercise 4

2. People didn't use their cars much, but now they drive everywhere.
3. People update their online profiles now, but they used to write letters.
4. Children play inside now, but in the past they used to play outside.
5. Teachers used to suggest books, but now they give out website addresses.
6. Families used to watch Tv together, bur now they watch it individually.
7. Students use Google now, but they used to look up things in encyclopedias.
8. Parents didn't use to worry so much, but now they give children less freedom.

 

Exercise 5

1. My parents used to take me to school every day.
2. I didn't use to go online much.
3. I didn't use like school dinners.
4. I used to want to be an astronaut.

 

Exercise 6

1. Did you use to go online much?

No, I didn't

2. Did you use to like school dinners?

Yes, I did

3. Did you use to want to be an astronaut?

Yes, I did

 

Exercises page 38

Exercise 1

1. Can you help me? I don't know how to fix a problem with my computer.

2. The instructions say I must click on an icon, but I can't see it!

3. I go online every day to read the news and answer emails.

4. I usually get home very late, so I'm often tired.

5. He visits a website about cars once a week to check the prices.

6. Open the text document and complete it.

 

Exercise 2

1. The development of advanced computers has taken very little time.

2. To contact Tom, I often use our favourite social network site.

3. This information is from 2012. Why don't they date their website?

4. After years of work, the scientist made an important discover.

5. Use your imagination and you will write something creative.

6. He works as a scientist in a labotatory.

 

Exercise 3

1. The first moon landing was in 1969

2. Ten years ago my brother was still studying at university

3. Mabel  found some keys on the pavement yesterday

4. I had my first driving lesson last week

5. I'm talking on my mobile phone when my mum asked me question

6. What was you doing this time last year?

 

Exercise 4

1. Did he use to live here before moving to Oxford?

2. She didn't go shopping yesterday

3. I didn't use it to like spicy food. Now I love it.

4. We did a lot of exercises last weekend

5. Did you use to ride a bike to school?

6. Did she bu a laptoplast year?

 

Exercise 5

1. B

2. C

3. B

4. B

5. C

 

Exercise 6

1. Where shall I hang this picture?

Please don't hang up. I have something more to tell you.

2. Can you show me me how to log on to this computer, please.

I don't like flying on board small planes.

3. I can't Carry this bag any further. It is too heavy!

I don't like studying chemistry from a book.  I'd like to carry out experiments in our school lab.

4. They want to follow world events,  so they buy a newspaper every day.

do you follow your favorite pop star on twitter?

5.  I can't figure out to do  this exercise.

Please turn off the light before you go out of the room.

6. Tara uses his mobile phone to get online.

I've got so much homework, I think I'm going to get crazy!