Sachmem.vn lớp 6 sách giáo khoa tập 2

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2 Tell Ss that in the box there are some environmental problems. Make sure that Ss understand the meaning of each problem. Ss look at the five pictures and tell T what they can see in each picture. Then, Ss do this exercise individually then compare their answers with a classmate. Ss give T their answers. Write Ss’ answers on the board without saying if their answers are correct.

Key:

1. soil pollution                             2. deforestation                              3. water pollution

4. noise pollution                          5. air pollution

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4 Ask Ss to read the 'Watch out' box, T gives examples of the two structures. If time allows, have some Ss give their own examples.

Ss work in pairs to complete this exercise. Check the answers with the whole class. Confirm the correct answers. After that, ask some Ss to read the sentences aloud.

Key:     1. b                     2. d                      3. e                        4. c                     5. a

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5 Ask Ss if they understand the steps in the book. Ss work in groups of six and follow the steps. If there are too many Ss in one class, T may give each group a large sheet of paper and ask Ss to write down the effects in five minutes. After five minutes, Ss stick their answers on the board or on the wall. The group with the most effects wins.

After checking the answers, T has Ss make at least five sentences with five effects. Ss have to use the structures in Activity 4 in their sentences.

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1 Have Ss read the information in the table and draw a line from a symbol in column A to the matching word in column B and meaning in column C. Ss work in pairs to compare their answers before giving T the answers. Check and write the correct answers on the board.

Elicit the difference between ‘recycling’ and ‘reusing’ from Ss. Explain the  difference  between these two terms again if necessary:

+  Recycling means reprocessing an old item such as a newspaper, a glass or a can and turning it into a new product. For example, used paper is brought to a factory where it is reprocessed, cleaned and purified. This paper is then used to make new things such as books or newspapers.

+ Reusing means avoiding the reprocessing procedure. It is when people use something over and over again until it cannot be used any more. For example, a used plastic bottle can be used again as a flower vases, or a butter container can be used to grow a small plant.

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2 Ss work in pairs to do this activity. Call on Ss from different pairs to go to the board and write the words. This activity can also be organised as a competition. Whichever pair finishes the activity first will be the winner and can go to the board to write their answers.

Key:    

1. rubbish    2. plastic bags    3. glass      4. plastic bottle     5. can

6. noise       7. paper              8. bulb       9. water               10. clothes
 

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3 In pairs, Ss put the words from 2 in appropriate groups. Draw the table on the board and call three Ss to go to the board and write their answers. One word can belong to more than one group.

Elicit some more words for each group from Ss. Here are some suggested words:

      - Reduce: electricity, gas

      - Reuse: envelope, carton box, old textbook

      - Recycle: newspaper, textbook, plastic container

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Pronunciation

5 Listen and repeat. Pay attention to how the underlined part is pronounced.