Period 66
Date of preparation: 20/01/09
Date of teaching: 22/01/09
Unit 11: Sources of energy
Part A: reading

I. Objectives: By the end of the lesson, Ss will be able to:
- identify meaning in context.
- scan for information, ask and answer about the sources of energy
II. Skills: Reading and speaking
III. Teaching aids: textbook, pictures
IV. Procedure:
Time
Teacher’s activities
Content
Students’ activities


3’







3’





10’

















5’







5’



7’


























5’











6’










1’



- ask Ss to do the task







- ask Ss to work in pairs to ask and answer the given questions, basing on the pictures in their text book.

- introduce vocabulary.










- read new words and ask Ss to repeat word by word.



- have Ss do task 1 individually then compare the answers with a partner
- call some Ss to give answers.
- give correct answers


- ask Ss to read the text individually in 5’.

- ask Ss to work in groups.
- call the representative of each group to present their ideas.
- give comments and correct answers.




















- have Ss work in pairs
- go around the class to offer help if necessary
- call some pairs to present in front of the class.
- comment and give correct answers



- ask Ss to work individually
- go around the class and offer help.
- ask some Ss to write their answers on board.
- comment and give correct answers



- assign homework


Warm up
Complete the sentences
1. We use… to cook
2. We use… to run machines, cars, motorbikes
Answers
1. oil, coal, gas, wood, straw…
2. petrol
Pre-reading
I. Answer the questions on page 124
1. Wind energy, solar energy, hydroelectric power station.
2. We need energy to live and work, to cook meals, to heat or cool the house, to light, to run machines…
II. Vocabulary
1. fossil fuel (n) nhiên liệu hoá thạch
2. reserve (n) [ri`zə:v] sự dự trữ
3. exhausted (a) [ig`zɔ:stid] cạn kiệt
4. alternative (a) [ɔ:l`tə:nətiv] thay thế
5. geothermal heat (n) [,dʒi:ou`θə:mik] địa nhiệt
6. windmill (n) [`winmil] cối xay gió
7. solar energy (n) năng lượng mặt trời
8. solar panel [`pænl] tấm thu năng lượng mặt trời
9. infinite (a) [`infinit] vô tận, không giới hạn
10 potential (a [pə`ten∫l] ) tiềm năng, khả năng
II. Reading the new words



III. Checking vocabulary
Task 1
Answers
released
alternative
energy
limited
exhausted



While-reading
* Reading the text


Task 2: Scan the passage and write down the advantages and disadvantages of each alternative source of energy.

Sources of energy
Advantages
Disadvantages

Nuclear power

It’s unlimited


It can be very dangerous


Solar energy




It’s not only plentiful but also clean and safe

It’s only possible during the day time.



Water power

It’s clean and unlimited
It is expensive



Wind power





It’s clean and unlimited




There’s no wind power when there is no wind


Geothermal heat
It’s available
It is only possible in few places


Task 3: Answer the questions
Answers
Our major source of energy comes from fossil fuels.
There are five sources of energy mentioned in the text. They are nuclear power, geothermal heat, solar energy, wind energy, and water power. I think solar energy is the most potential because it is not only plentiful and infinite but also clean and