kok电子竞技

1、Unit 4 Astronomy: the science of the stars Period 1【Teaching goals】1、To get the students to realize the religion and culture on how life began on earth 2、To enable the students to practice the reading skills3、To develope the sense of cooperation and discussion 【Importance and difficulties】1、2、3、【Aut

2、onomic preview】Think over and finish the following questions：1、 There are eight planets in our solar system, can you fill the following blanks? A. Mercury 星 E. Jupiter 星 B. Venus 星 F. Saturn 星 C. 地球 G. Uranus 星 D. Mars 星 H. Neptune 星2、 Each religion and culture has its own ideas about how life began

3、 on earth. What do you know? In China: separated the sky from the earth made human beingsIn the west countries: It was who created man. Do you know some stories in the Bible ? 【Autonomic learning】1、 What is the topic of this text ? 2、 How many paragraphs in the text ? 3、 Read the text and match each

4、 paragraph with its main idea. (Pay attention on the key words)Paragraph 1 A. How humans appeared and what effects they have caused to the earth.Paragraph 2 B. Water is very important for life on the earth.Paragraph 3 C. How the earth formed. (形成)Paragraph 4 D.How the plants and animals on the earth

5、 developed.Paragraph 5 E.It is widely accepted that the universe began with a "big bang"【Group learning】 Stage1 The development of the earthParagraph 1-2 TimeThe earthSeveral billion years after the “Big Bang”A cloud of Between 4.5 and 3.8 billion years agoA globe with fire and rockProduce

6、 C/N water vapor, etc.As the earth cooled down began to appearStage 2 Paragraph 3 ·Why is water so important for the beginning of life?Because water the earth to dissolve and into oceans and seas.Stage 3 Read para4-5 and fill in the blanks Plants AnimalsSmall plants in the water Shellfish and a

7、ll sorts of on land Insects forests Reptiles Human beingsStage 4 See a mini video about how man becomes and review some parts of the text.【Cooperative inquiry】1、Question： (1) Who are the small clever animals with hands and feet in paragraph 5 ? (2) Are they taking good care of the earth? Why? 2、 Discussion: Look at the pictures, and then discuss the following questions: The earth may become too hot to live on. What we should do to protect our earth ?【Self-evaluation】