Tasks which should be achieved in this unit:
a. Achieve language skills and related knowledge about the topic of water and the ocean.
b. Learn how to make suggestions and how to express opinions.
The water is being used to /for….
We should/ could….
If we …, we can ….
It would be better to …
c. Vocabulary in this unit:
benefit, disadvantage, range, available, pure, mass, float, absorb, stable, bottom;
d. Useful expressions:
benefit from, range from … to…., all the way, be made up of, that is, freezing point, break down, mix with, be measured in…, take advantage of…, keep … steady, manage to do.
e. Grammar:
Review Modal Verbs.
情态动词can, could, may, might, will, would, shall, should, must, can’t 等的用法。
1) can /could
Jin can speak English well. (ability)
Could you please show me the way to Beihai Park? (request)
2) may /might
May we see the awards for the teams? (permission; request)
She might give you some new clothing. (possibility)
3) will /would
The Spring Festival is the most fun. The whole family will come for dinner. (promise; agreement)
Often he would dress up like a rich man. (past habit; custom)
4) shall /should
The harvest festival begins on Saturday. We shall be there with our friends. (promise; agreement)
You should arrive at the airport two hours before he goes. (advice)
5) must /can’t
Wang Feng wins an award every year. He must be very strong (speculation)
You must be joking. That can’t be true. (guessing)
The First Period
Teaching Aims:
1.Learn and master the new words and the useful expressions of this part.
Words: cube, sailor, disadvantages, entertainment
Phrases: come up with, happen to
Useful expressions: The water is being used to/for…
We should/could…
If we…we can…
It would be better…
2. Learn something about water by doing experiment.
3. Do some listening.
4. Improve the students’ speaking ability by talking.
Teaching Important Points:
1. Make the students be free to talk about water.
2. Improve the students’ listening ability by listening.
Teaching Difficult Points:
1. How to finish the task of speaking.
2. How to improve the students’ listening ability.
Teaching Methods:
1. Listening-and-answering activity to help the students go through with the listening material.
2. Individual, pair or group work to make every student work in class.
Teaching Aids:
1. the multimedia
2. the blackboard
3. an empty glass, a bottle of water and a bottle of vegetable oil
Teaching Procedures:
Step Ⅰ Greetings and Lead-in
T: Hello, everyone.
Ss: Hello, teacher.
T: Attention, please. As we all know, every year during the Spring Festival and Lantern Festival in our country, people like to see the lion dance and guess the riddles. Do you like to guess the riddle, then?
Ss: Yes.
T: OK. Now I have a riddle. Please guess it.
(Teacher uses the multimedia to show the riddle on the screen.)
It’s very important to all the animals and plants.
It’s also important to human beings.
It’s liquid at room temperature.
Every day you keep in touch with it.
You can’t live without it.
(a thing)
T: What’s it?
Ss: It’s very easy. It’s water.
T: Yeah, today we will talk about water. Now please tell me what you know about water.
S1: Water is used to drink.
S2: Water can be used to water the flowers.
S3: I think water can be used to make electricity.
Step Ⅱ Warming up
T: Thank you for your ideas. Next we will make some interesting experiments. Maybe you can learn more about water from the following experiments. S4, would you like to come here to help me?
S4: I’d love to.
T: Now, look at Li Lei and me. We will begin. You should watch the experiment carefully and try to tell me what happens and why.
(Teacher puts a bottle of water, a bottle of vegetable oil and an empty glass on the desk.)
T: S4, pour some water and some vegetable oil into the empty glass. Other students, please watch carefully.
( A few seconds later.)
Ss: Fantastic! The liquid in the glass has become two parts.
T: Try to describe it in detail.
S5: Let me try. The part above is vegetable oil and the part below is water. But I don’t know why.
T: Good question. Who’d like to answer his question? (Nobody answers his ques