Unit 4 Astronomy: the science of the stars

　　Warming up & Reading

　　Textbook Edition: NSEC Book3

　　Sections: ModuleⅠ Unit4 Astronomy: the science of the stars

　　Topic : How Life Began On The Earth

　　Teaching Materials Analysis教学分析

　　This lesson is mainly a reading skills training class. How life began on the earth, is the passage from Student's Book 3 Unit 4 , is concerned with astronomy and how human beings first evolved on the earth and understand the universe around them. This lesson is the first part of Unit 4. Focusing on the topic of the unit, astronomy, students are trained to learn the knowledge about astronomy and the language used to describe the development of life through speaking and reading activities. Most importantly, students are supposed to command the effective way of reading a expository writing written in the order of time and get trained to improve their reading ability, like skimming, summarizing the main idea of the passage, guessing the meaning of new words in the context and so on.

　　Teaching goals 教学目标

　　1). Target language目标语言

　　a. Words and expressions: astronomy, theory, atom, billion, globe, violent, carbon, atmosphere, fundamental, harmful, acid, multiply, oxygen, exist, prevent...from, block out, cheer up, now that

　　b. Grammar: Noun Clauses as the subject

　　What it was to become was a mystery. (主语从句)

　　It was not clear whether the solid shape was to last or not. (主语从句)

　　2). Ability goals 能力目标

　　a. Enable Ss to talk about the science of the stars, the development of life.

　　b. Enable students to improve their speaking skills and reading ability.

　　3). Learning ability goals 学能目标

　　a. Enable Ss to learn how to talk about the beginning of life on the earth.

　　b. Foster the Ss' interests of science and lead the Ss to study scientifically.

　　c. Train the Ss' creativity and expand their imagination.

Teaching important points教学重点