Page 4 - Unit 1-4

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Exercise 4 1.5
Audioscript
A wood
B glass
C plastic
D aluminium
E gold
F copper
G silver
H cotton
I paper
J cardboard

Exercise 5
1 cardboard
2 plastic
3 copper
4 paper
5 wood
6 silver
7 gold
8 aluminium
9 cotton

Exercise 6
1 If you have a shower, you will
save water.
2 If you don’t recycle, you will
waste energy.
3 If you don’t turn the lights off,
you will waste energy.
4 If you walk or cycle to school,
you will save energy.
5 If you turn the tap off, you will
save energy.

Exercise 7
Possible answers :
1 If you're not using the electric machines, turn them off.
2 Unplug all appliances when possible.
3 Buy or make a few reuseable fabric bags.
4 Use electric fans to keep cool instead of the air conditioners.
5 Use only as much toilet paper as you need.
6 When we're done using water, turn the tap off right away.

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