Vocabulary aluminum, cardboard, electricity, gas, glass, paper, plastic, solar power, water, wind power
70
Grammar We should use wind and solar power.
We shouldn’t use a lot of electricity.
Say it! Shwa+r
71
What should we do to reduce waste? We should use less paper.
72
Story value Reuse and recycle
73
Skills Listening and speaking: Eco-homes
Talk time Designing an eco-friendly home
74
Reading and writing: A flip-flop safari
75
CLIL: Science What happens to our old glass bottles?
76–77
Review Units 5 and 6
78–79
Vocabulary dictionary, e-book, email, encyclopedia, letter, magazine, newspaper, online game, text message,
website
60
Grammar People could buy books in
19
80.
They couldn’t buy e-books.
Say it! Sentence stress
61
Could you play online games when you were young? Yes, I could. / No, I couldn’t.
62
Story value Protect your friends
63
Skills Listening and speaking: A history of communication
technology
Talk time Discussing forms of
communication
64
Reading and writing: Virtual learning
65
CLIL: History What do primary sources tell us about life in the past?
66–67
Vocabulary astronaut, Earth, Mars, planets, space laboratory, space station, spacecraft, spacesuit, stars, the Moon
82
Grammar They’re going to travel.
They aren’t going to see their families.
Say it! going to
83
What are you going to do?
Are you going to travel in a spacecraft? Yes, we are. / No, we aren’t.
84
Story value Think logically
85
