(完整版)【公开课教学设计】必修三Unit4HowlifebeganontheearthReading教案

M3 U4 Astronomy: the science of the starsPeriod 1 Reading: How life began on the earthⅠ. Three Dimension objectives1. Knowledge and ability1) Help the students find out the main idea of each paragraph.2) Make sure the students fully understand the whole passage and can retell it.3) Enable the students to think and talk about what to protect for the earth.2. Process and MethodsReading and discussing.3. Emotion, attitude and valueStimulate the students’ interest in the science of the stars, the earth and the living things. Ⅱ. Teaching important pointsEnable the students to talk about the beginning of life on the earth.Ⅲ. Teaching difficult pointsHow to help the students to summarize the main idea of each paragraph.Ⅸ. Teaching method1. Task-based teaching2. Process-oriented teaching approach3. Students-oriented teaching and learningⅤ. Teaching resources1. The reading passage in Module3 Unit4, How life began on the earth.2. Multimedia and a computer.VII. Design on the blackboard and the screenModule3 Unit4 AstronomyPeriod 1 Reading: How life began on the earthA timeline with some key words.VIII. AssignmentWrite an article on what we can do to protect the earth according to the discussion (At least 3 aspects, about 150 words).IX. ReflectionIt is a difficult article, so the teacher had better try to make it easier for the student to understand by reading it paragraph by paragraph and get some details.And the passage tells the readers the scientific idea in order of time. So a timeline is helpful for the students to better grasp the main idea of it.The earth itself and the living things on it are all very important to us human beings. So we should protect the earth, but how? So the students are to discuss what we can do to protect the earth according the development of the earth and life. The students can brainstorm as many ideas as possible. The students’ performance will be evaluated after and according to their presentation.。

M3 U4 Astronomy: the science of the stars Period 1 Reading: How life began on the earth 学校：开课班级:高一(12)班开课教师：指导教师：I . Three Dimension objectives1. Kno wledge and ability1) Help the stude nts find out the main idea of each paragraph.2) Make sure the students fully understand the whole passage and can retell it.3) En able the stude nts to thi nk and talk about what to protect for the earth.2. Process and MethodsRead ing and discuss ing.3. Emotio n, attitude and valueStimulate the stude nt§i nterest in the scie nee of the stars, the earth and the livi ng things. n . Teaching important pointsEn able the stude nts to talk about the begi nning of life on the earth.川.Teaching difficult pointsHow to help the students to summarize the main idea of each paragraph.IX . Teaching method1. Task-based teachi ng2. Process-orie nted teachi ng approach3. Stude nts-orie nted teachi ng and lear ningV . Teaching resources1. The reading passage in Module3 Unit4How life began on the earth.2. Multimedia and a computer.Module3 Unit4 Astro nomyPeriod 1 Readi ng: How life bega n on the earthA timeli ne with some key words.VIII. Assig nmentWrite an article on what we can do to protect the earth according to the discussion (At least 3 aspects, about 150 words).IX. Reflectio nIt is a difficult article, so the teacher had better try to make it easier for the student to un dersta nd by read ing it paragraph by paragraph and get some details.And the passage tells the readers the scientific idea in order of time. So a timeline is helpful for the students to better grasp the main idea of it.The earth itself and the living things on it are all very important to us human beings. So we should protect the earth, but how? So the students are to discuss what we can do to protect the earth according the development of the earth and life. The students can brainstorm as many ideas as possible. The stude ntsperforma nee will be evaluated after and accord ing to their prese ntatio n.。

Shorten the text to present the main idea in around 100 words after class.
made the atmosphere
cooled down
water appeared
2.2 Try to sort out the lower words of life based on Para. 4 and 5.
3. What is the real intention of the author’s writing?
A
B C D
1E
F
Hale Waihona Puke HIJ1E
2J
3F
4A
5I
8G 9C
7B
6H
10D
II. Thinking & inquiring
1. Summarize a heading for each paragraph
Para. 1 Para. 2 Para. 3 Para. 4 Para. 5
the origin/formation of the universe the origin/formation of the earth the importance of water for life the development of life on the earth humans’ influence on the earth
III. Sharing and expressing
Discussion: What do you think of the statement of “water is the source of life”? Do you agree with it? Why or why not?

Module3 Unit 4 How Life Began On the Earth教学设计教材内容：Reading部分讲述了地球上生命的起源，水的形成使得地球有别于其他星球，它使得地球上生命的诞生成为可能。

科学家认为，地球上的生命首先诞生于水中，上百万年后，陆地上才长出绿色植物，随后出现了陆栖动物和水陆西栖动物。

最初的动物卵化繁衍后代，后来出现了哺乳动物，人类也随之诞生了。

文章最后讲述的现象发人深省：The earth may become too hot for lives on it. 它关系到地球上生命的未来。

教学目标：1. 知识目标：To make the students get to know some knowledge about astr onomy, the universe, the solar system and some information about different id eas about how life began on the earth.2. 能力目标: To develop the students’reading ability.3. 情感目标：To stimulate the students’love for science and astronomy.教学重点：To help the students to master different reading skills, especially the reading ability of understanding implied meaning of the author.教学难点：1. Retell the whole passage according to the given chart.2. Learn different reading skills for different reading purposes.教学方法：Task-Based Teaching; heuristic teaching;Self-exploration combined with the cooperation and exchange ;Teaching procedures:。