Unit 4 Astronomy: the science of the stars
Period 1 Warming up and new words
Teaching Goals:
1. To arouse Ss’ interest in the knowledge of astronomy and science。.
2. To develop Ss’ ability in listening and speaking.
Teaching Procedures:
Step 1. Leading- in
Give Ss a few minutes to say something about science by asking the following questions.
（1.）Who is the first man in space，do you know？
（2.）Which spaceship did Yang Liwei take to space？
（3.）Do you want to go to space if you are given a chance?
Step 2. Warming Up
Purpose: To introduce the topic of this unit to Ss in the form of asking questions and discussion.
Ask some Ss the questions first and then get Ss to discuss with each other. If time permits, have one or two groups present their answers to the whole class.
(1) How many subjects are we studying now?
（2）Do you have some scientific studying methods to learn them well?
(3) As you see, a large number of students want to become scientists in the future. But what kind of qualities and skills do we need to be real s cientists?
Step 3. Talking (Workbook)
1. Divide Ss into six groups, and ask them to talk about the request of Talking on P62 and answer the following questions. Diff erent students will give different answers. Make notes of some
