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Exercise 1:

A chemistry

B archaeology

C ecology

D geology

E marine biology

F physics

Exercise 2:

1. Photo c

2. Photo E

Exercise 3:

1. A chemist finds way sto make chemicals useful to society

2. An ecologist studies ways of protecting the environment

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 thousands of years ago

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

Exercise 4:

Speaker 1: wants to find answers to important questions

Speaker 2: wants to explore oceans and preserve the ocean environment

Speaker 3: wants to study the evolution of our planet

Speaker 4: wants to study our prehistoric ancestors

Speaker 5: wants to find solutions to nature’s problems

Exercise 5:

1. Who wants to collect evidence about global warming?

2. Who wants to make new discoveries and find new cures?

3. Who loves doing experiments and analysing gata?

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

5. Who is doing research into climate change?

Exercise 6:

1. Archaeology     Archaeologist

2. Biology       Biologist

3. Chemistry Chemist

4. Ecology     Ecologist

5. Geology   Geologist

6. Mathematics   Mathematician

7. Physics   Physicist

8. Science   Scientist

Exercise 7:

1. Analysis   Analyse

2. Discovery   Discover

3. Evolution Evolve  

4. Exploration Explore

5. Imagination Imagine

6. Observation   Observe

7. Preservation   Preserve

8. Protection     Protect

9. Solution Solve

Page 34

Exercise 1:

1. People don’t buy records now – they download music from the Internet

2. People don’t use the mobile phone now – they send SMS

3. People don’t print a photo now– they have them in the phone

4. People don’t travel by car now – they travel by plane

5. People don’t use the typewriter now – they use the phone

Exercise 2:

1. He used to phone people from the phone in the sitting room T

2. He used to send 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 3:

He used to have five or six good friends. He used to phone people from the phone in the sitting room. His parents bought him a camera for his sixteenth birthday

Exercise 4:

1. People used to read maps, but now they use GPS systems

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, but 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:

When I was at primary school:

1. My parents used to take me school every day

2. I didn’t go online much

3. I went on a school trip to the Science Museum

4. I didn’t like school dinners

5. My parents bought me my first mobile phone

6. I wanted to be an astronaut

Exercise 6:

1. Did your parents use to take you to school? Yes, they did

2. Did you go online much? No, I didn’t

3. Did you go on a school trip to the Science Museum? Yes, I did

4. Did ypu like dinners? No, I dind’t

5. Did your parents buy you your first mobile phone? Yes, they did

6. Did you want to be an astronaut? Yes, I did