Giáo án Tiếng Anh 9 tiết 44 - Unit 7: Saving Energy - Lesson 3: Section: Listen

Week:23	Date of preparing : February 11, 2009
Period :44 Date of teaching : February 12, 2009
	UNIT 7: SAVING ENERGY 
Lesson 3: 	Section:	 Listen 
Objectives :	After finishing the lesson, students( Sts) will be able to listen to specific information on solar energy through a report, and check true or false sentences .
 Language contents:
Structures:	Suggestions.
Vocabulary	Review.
Techniques:	Net work ,rub out and remember, T/F prediction
Teaching aids:	A cassette player .
Times:	45 ms
Procedures :
Teacher‘s activities 
Students’ activities 
How to save energy
How to save energy
Check up: (5ms)
Ask Sts to finish network by giving suggestions.
Pre-listening: (10ms)
 Give the guiding question:
 1.What is the solar energy ?
Is it cheap ? is it available?
What are the advantages of solar energy?
Give new words.
Vocabulary:
- solar (a) = belong to the sun.
- solar electricity + energy like electricity received from the sun.
- nuclear power	(n)	
-solar panel 	(n)	device like walls for receiving solar radiation
-Roof (n)
-effective (a) 
Rub out and remember.
Ask Ss to look at the Vietnamese and read aloud the English words.
- 
 3.While – Listening : (15ms)
Ask Ss to read the T or F and predict .
Write their predictions on the board.
Ask Ss to read the passage and guess the missing words and under stand the passage.
Give the tape .
Ask Ss to listen the tape and check their predictions .
Give the tape again to check their choice.
Give the key.
1.T
2.F( Most of our electricity comes from the use of coal, gas ,oil or nuclear power.)
3.False ( It is enough to provide power for total population)
 4.T
False ( In 2015)
Asks Ss to listen and write the missing words.
Ask Ss to write the missing words on the board.
Give the key.
The sun can be an effective source of power.
Solar energy doesn’t cause pollution.
A lot of countries in the world are already using solar energy.
It is possible to store solar energy for a number of days.
Solar panels are stalled on the roof of the house to receive the energy fro m the sun.
We can save natural resources by using solar energy instead of coal, gas and oil.
 4.Post- Listening : ( 12ms)
Ask Ss to read the sentences after they fill the missing words.
Ask Ss to join the sentences in True statements and the passage into a whole passage about the solar energy.
Read aloud the passage.
The tape: "Are you looking for a cheap, clean, effective source of power that doesn’t cause pollution or waste natural resources ?Look no further than solar energy from our sun. At present, most of our electricity comes from the use of coal, gas, or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the Earth is enough to provide power for total population.
Many countries are already using solar energy. Solar panels are placed on the roof of a house and the sun’s energy can be stored for a number of days ,so on cloudy day you can use solar energy too.
Sweden has an advanced solar energy program. There ,all buildings will be heated by solar energy and cars will use solar energy instead of gas by the year 2015”
Homework: (3ms)
Ask Ss to rewrite the summary of the solar energy from the listening and prepare part READ.
Turn off light if not using
Finish network in groups by writing suggestions.
Correct and remark.
Listen to the questions.
Answer the questions.
Copy new words.
Repeat new words in chorus.
Give meanings.
Give examples .
Read the English aloud without looking at English words.
Read T /F statements and predict.
Give the predictions.
Listen to the tape and check the predictions.
Write the T/ F and explain .
Listen again and check the key.
Copy the key.
Read the sentences given on page 
And guess the missing words.
Give missing words.
Listen to the tape and write the missing words.
 1.The sun can be an . . . . . . . . ..source of power.
2.Solar energy doesn’t cause . . . . . . .. 
3.A lot of . . . . . . . .. .  in the world are already using solar energy.
4.It is possible to . . . . . ..  solar energy for a number of days.
5.Solar panels are stalled on the. . . .. .. . . of the house to receive the energy fro m the sun.
6.We can save natural resources by using solar energy. . . . . . . . . . of coal, gas and oil.
Compare the missing words guessed .
Write the missing words on the board
Read the whole sentences after filling.
Copy .
Read the sentences again and join the true sentences into a passage about solar energy.
Present in front of the class.
Copy and remember the task.