Page 141 - Our World 2E_AmE_L5_SB - www.english0905.com

VOCABULARY 2 GRAMMAR 2

1 Listen and repeat. Clauses with when TR: 8.7

Then read and write. TR: 8.5 When we recycle trash, we save on materials and energy.
An artist’s work may surprise us when we first see it.

cardboard metal 1 Read and write. How do you and your friends help the environment?
Use words in the box.

bike light paper plastic bottle shopping bag trash water
we leave the house we turn off the lights
1. When , .

2. when .

3. When , .
chemicals glass tools

1. It is clear or colored. It can be melted down and reused. It is used to make bottles 4. When , .

or windows. 5. when .

2. It is made from paper. It is used to make shoe boxes. It is soft when wet. 2 Play a game. Cut out the spinner in the back of the book. Work in a
www.english0905.com
small group. Make sentences. Take turns.

3. They are used to clean things. They can hurt your skin. Don’t drink them!
When I go shopping,
I walk or go by bike.

4. There are many kinds, and they have different uses. They help us do things that we I reuse a shopping bag
when I go shopping.
can’t do with just our hands.

5. This is used to make cans and also cars. It’s used to make things that must be

strong.

2 Listen and stick. TR: 8.6

1 2 3 4 5

138 Unit 8 139