Teacher: Zhang Yanfang
School : Zhenhai Middle School
Class : Class 2, Senior 1
Teaching
Material: Lesson 6, Unit 2
Teaching Aids:
A recorder, computer, cup and some bottles.
Teaching
Demands and Aims:
Teaching Procedures
1.
Revise
what has learned in the last lesson by offering some situations:
(1)
Now let’s suppose this classroom is a chemistry lab and we are all in the lab.
Please tell me in the lab what you should do and what you shouldn’t do.
(
Show the following on the screen and get some students to make sentences with
these phrases. )
|
DOS |
DON’TS
|
|
listen
/ teacher follow
/ teacher’s instruction tidy / lab put / everything / cupboards |
come in / without
a teacher touch / unless / teacher forget / turn off / lock forget / wash |
(2)
Now suppose all of you are teachers. Please give some instructions with the
expressions on the screen.
INSTRUCTIONS
1. Listen / Do / Follow
4. Please...
2. Make sure...
5. Be not allowed...
3. Don’t ...
6. Don’t forget to...
Step
2 Presentation
1.Present
new words by acting out .Write the new words on the blackboard while asking and
answering quesions.
Now please look at the teacher’s desk. What’s on it
?There are three bottles and a cup on it. Let’s see what’s in them.
(Get
three Ss to smell the liquid in the bottles.)
(
Let one of the Ss smell one bottle) What’s in it ? Petrol.
( Then get another student to smell another bottle)
Water? No. That’s caster oil.
Now
please look up and watch what I am doing.
(Then
pour the three kinds of liquid into a cup and stir them with a stick.)
What am I doing ? Yes, I am mixing the three
kinds of liquid together. What is this called ? Yes, it’s called mixture.
Now watch carefully.
(
Dip a finger into the mixture and suck another finger )
What did I do just now ? Yes, I dipped one of
my fingers into the mixture and sucked a finger.
Have I tasted the mixture ? No, I haven’t. Why
? Because I sucked another finger.
2.
Teach
the new words by reading them twice.
Step 3 Skimming
1.
Play the recording of the passage. Let the Ss listen with the books
closed.
Today I’ll tell you something about a chemistry
teacher. He was a little man with thick glasses, but he had a strange way of
making his classes lively and interesting. If you want to know him more, please
listen to the tape recording. Think about the question while listening:
How did the students feel after they tasted the
mixture ? ( They felt the mixture tasted terrible.)
2. Skim
Now open your books and try to read the
passage as quickly as you can, but in silence. While reading please think about
this question: Why will Paul never forget his first chemistry teacher? (Because
he had a strange way of making his classes lively and interesting.)
Step 4 Intensive Reading
1.
Get
the Ss to read the text aloud for some minutes.
2.
Ask
some questions.
(1)
What
did Paul’s first chemistry teacher look like ?
(
He was a little man with thick glasses.)
(2)
What
did the teacher do at the beginning of the lesson ?
(
He brought out three bottles. )
(3)
What
about the three bottles ?
(
One was filled with petrol, one with castor oil and one with vinegar .)
(4)
What
did the teacher do as the students watched him quietly ?
( He mixed the three together. )
(5)
What
did he do after he mixed the three thing together ?
( He held up one of his fingers and showed it to the
class. )
(6)
Did
the teacher taste the mixture ? (No, he didn’t.)
(7)
What
did the students do after the teacher handed the cup to them ? ( Each student
dipped a finger into the mixture and sucked it )
(8)
Why
did each of the Ss make a face ?
( Because the mixture tasted terrible.)
(9)
Did
each student do everything as the teacher did ?
(No, he didn’t.)
So you see, none of the Ss watched carefully enough.
Step 5 Discussion
1.
Discuss
some difficult sentences.
(Show the following sentences on the
screen.)
(1) One was filled with petrol, one with castor oil and one with vinegar.
be filled with = be full of
one with castor oil = One was
filled with castor oil.
(2)
looking rather pleased = and looked rather pleased.
(3)
The mixture tasted terrible.
taste : (1) link v. (followed by
an adj.)
eg.
The dish tasted delicious.
(2) n. The mixture had a terrible taste.
2.
Discuss
what the teacher did and what The Ss did.
(Show the following on the screen. )
|
T |
S |
|
bring out / bottles fill/ cup / petrol / castor oil / vinegar/ mix / hold up / finger / show / dip / cup / take out / put / mouth / taste / smile / look pleased / hand / cup / around |
dip / finger / mixture/ suck / instead of
smiling/ make a face / taste terrible |
3.
Discuss
what you think of the teacher. ( Get some Ss to express their opinions.
4.
A more
difficult question : What have you learned from the passage?
Step 6 Workbook
Finish Ex. 2 on page 63 of the workbook.
Step 7 Consolidation
Do a game of Describing and Guessing. Let’s see which
group is best.
Rules of competition:
1.
Each
of the Ss has a chance to the front to describe a teacher who is teaching you
now. But you mustn’t tell his name and the subject he teaches. The person
describing can get 20 marks.
2.
The
students in other three groups can guess. If he guesses the right person, he
can get 10 marks.
Homework : 1.
Recite the whole passage.
2.
Finish Ex. 3 on page 63.