1、Unit 4 Astronomy the science of the starsReading（授課日期： 年 月 日 星期 班級(jí) ）授課題目Unit 4 Astronomy: the science of the stars（Intensive Reading）擬 課時(shí)第 課時(shí)明確目標(biāo)1、知識(shí)與技能：Enable Ss to talk about the science of the stars, the development of life and space travel and gravity 2、情感態(tài)度與價(jià)值觀：Enable Ss to learn how to talk ab

2、out the beginning of life on the earth.3、過程與方法: Fast reading, task-based method & discussion 重點(diǎn)難點(diǎn)重點(diǎn)：a. Talk about the beginning of life on the earth.b. Discuss the order of development of life.難點(diǎn)：Understand the beginning of life on the earth.課型講授 習(xí)題 復(fù)習(xí) 討論 其它教 學(xué) 內(nèi) 容 設(shè) 計(jì)因材施教Step I PresentationStep II

3、Warming up 1. Read the three questions, while the students listen and follow.2. Give the Ss several minutes to discuss the questions.3. Collect answers from the whole class.4. Check the answers while discussing.Step Pre-readingGet the Ss to discuss the questions on Page 25 with their partners. Then

4、ask the Ss to tell their stories. Encourage the Ss to tell different stories. If they dont know any, tell them some.Step ReadingRead the passage carefully and analyse its structure. Write down the main idea for each paragraph.Para.1: A widely accepted theory about the formation of the universePara 2

5、: The formation of the earthPara.3: The importance of water for lifePara.4: The development of plants and animals on the earthPara.5: The arrival of humans and their impact on the earthReading and answer the questions.1. Why was the earth different from other planets? The water remained.2. Why was l

6、ife able to develop on the earth but not on other planets? The water stayed on the earth but not on other planets. 3. Why was it necessary for plants to grow before animals? Plants provided oxygen for animals to breathe.4. What problem is caused by human beings? They cause global warming. 5. Why is

7、it wrong in films and stories to show dinosaurs and people together? Because dinosaurs died out long before human beings developed on the earth.6. Why do you think that humans are the cleverest animals on the earth? They are the cleverest animals because they have larger brains than any other creatu

8、re on the earth so far.7. Why is it wrong in films and stories to show dinosaurs and people together? Because dinosaurs died out long before human beings developed on the earth.8. There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do you know why they removed it? Pluto. Scientists now think it is too small to be called a planet. Step Text RetellingRetell the text using about 100 words.Notes: Use the two questions and the chart to retell the passage; the p