外研版必修4 module4 great scientists_教案精编版

Module 4 Great Scientists
Teaching Time: 教学时间
Teaching Aims: 教学目标
1. Knowledge and Skills 知识与技能
a. Make students know some words, phrase and related expressions about scientists.
b. Make students make a revision about the passive voice and the usage of “ by +
- ing”.
c. Make students learn to write an essay on great scientists’ life.
d. Make students proficiently master how to say the numbers.
e. Improve students’ abilities of listening, speaking, reading and writing.
2. Process and Methods 过程与方法
a. Improve students’ speaking ability through group discussion.
b. Improve students’analyzing and resolving abilities through group
cooperation.
3. Emotion and Values 情感与价值
Make students know something about the current development of science and technology, as well as make them learn from those great scientists, such as the spirit of devoting to science, seeking truth and persistent dedication for human’s happiness and development.
Teaching importance and difficulties：教学重点与难点
1. Teaching Importance 教学重点
a. Master some science-related vocabularies.
b. Learn how to use passive voice.
c. Learn how to say numbers.
2. Teaching Difficulties 教学难点
a. Make students understand some common expressions used in quiz show while listening.
b. Enable students to use passive voice correctly.
c. Enable students to write essays on great scientists’life according to the
structure of the passage.
Teaching Plan：教学计划
Period One:Introduction, Reading and V ocabulary, Function
Period Two: Grammar 1 and Grammar 2
Period Three: Listening and V ocabulary, Pronunciation, Everyday English
Period Four: Reading and Writing
Period Five: Cultural Corner, Module File
Reading
Teaching Goals:
1.To know something about great scientists, such as Qian Xuesen, Marie Curie,
Archimedes, Albert Einstein and Yuan Longping;
2.To learn some science-related words;
3.To learn how to say numbers.
Teaching Procedures:
Step 1: Lead in----- Introduction
Brainstorm:
Question: What great scientists do you know? ( free speaking )
Make students say something about those four great scientists--- Qian Xuesen,
The answers:
1. zoology
2. botany
3. biology
4. physics
5. biochemistry
6. chemistry
7. genetics
Step 2:Reading and Vocabulary
1.From the title “The Student Who Asked Questions”, guess what the passage is
about?
Who is the student?
2. Make students find the topic sentence of each paragraph.
Para1: Yuan Longping is a leading figure in the rice-growing world.
Para2: As a boy, he was called “the student who asked questions”.
Para3: As a young teacher, he began experiments in crop breeding.
Para4: He discovered a special type of rice plant.
Para5：His discoveries increased Chinese rice production.
Para6：The yield of the new hybrid rice is much greater than that of other types grown in Pakistan.
3. Make students skim the passage and find the answers to the following questions.
1）What kind of student was Yuan Longping when he was young?
2）What way did he think to produce rice more quickly?
3）What did he discover?
4）How important was the discovery？
The possible answers：
1）He was a student with lots of questions and he was interested in plants.
2）By crossing different species of rice plant, then he could produce a new plant which could give a higher yield than either of the original plants.
3）He discovered a naturally sterile male rice plant.
4）Chinese rice production rose by 47.5% in the 1990’s.
There were other advantages.
●50,000 square kilometers of rice fields were converted to growing vegetables
and other cash crops.
●Yuan’s rice was exported to other countries.
●His rice’s yield is much greater than the yield of other types of rice grown in
Pakistan.
4．Make students read the passage carefully and decide whether the statement are true or false.
1). China produces more rice than any other country.
2). Yuan Longping asked a lot of questions at school.
3). He developed a new kind of fast-growing rice.
4). The government helped him in his research.
5). The new rice replaced vegetables in 50 thousand square kilometers.
6). The new rice is now grown n other countries, such as Pakistan.
The answers: TTTTFT
5. Make students finish exercises in activity 3 and 4 on page 33 individually,
then check the answers.
Step 3: Language points
1.He thought that (the key to feeding people was to have more rice and to
produce it more quickly.) 宾语从句
2.He though there was only one way to do this---by crossing different species
of rice plant, and then he could produce a new plant which could give a higher yield than either of the original plants.
3.First Yuan Longping experimented with different types of rice.
experiment: (V.)做实验
4. This was the breakthrough.
5. 50 kilometres of rice fields were converted to growing vegetables and other
cash crops.
6. Following this, Yuan Longping’s rice was exported to other countries, such as ….
Step 4: Function
1. Make a revision about how to say numbers in English.
Integral number整数fractional number 分数decimal number 小数percentage 百分数
3.Make students finish exercises in activity 1 and 2 on page 35.
Step5: Homework
1.Make students preview grammar 1 and 2
2.Finish exercise 5 to 12 on page 86 . (vocabulary and reading。