1、Unit 4 Astronomy the science of the stars Using Language（1）学案【要达成的目标】1.The students will be able to develop their listening skills.2.The students will be able to develop their reading skills.【“教”与“学”过程】本堂课使用的电教手段 Task 1 Individual Work Before Class (30 minutes)See homework in Learning Guide 5Task 2
2、Individual Work In Class (20 minutes)Activity (1) Question: What do you know about them and their ideas on gravity?Isaac Newton Albert Einstein Stephen HawkinginformationActivity (2) Listen for the gist.See page 30 Ex 2.Activity (3) Listen for the details.Isaac Newton Albert Einstein Stephen Hawking
3、idea Large bodies have a _ which pulls things towards themIn space, large objects make _ bend. The _ the object, the _ space-time bends.Black holes have a very _ mass and _ things towards them.Develop-mentThe _ the object, the _the gravity.Time goes _In very strong gravity.If you go over the edge, y
4、ou cant _. But if you dont, you may be able to _.Task 3 Individual Work In Class (10 minutes)Activity (1) Skim the passage A Visit To The Moon and answer How many times does gravity change during the journey? How does it change during the journey?when leaving the earth too far from the earthon the moongravityweightActivity (2) Answer. What is your understanding of gravity now? Activity (3) Listen to the tape and practice reading.Homework Activity (1) Practice reading the passage.Activity (2) Finish the task before class in the next learning guide.【课后反思】（教师写成败得失和改进措施，学生写学习体会和存在的问题）
