Page 140 - Our World 2E_AmE_L5_SB - www.english0905.com
P. 140

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
   135   136   137   138   139   140   141   142   143   144   145