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 1Task 1 Individual Work Before Class (30 minutes)See homework in Learning Guide 5Task 2 Individual Work In Class (20 minutes)Activity (1) Question: What do you know about them and their ideas on gravity?Isaac Newton Albert EinsteinStephen HawkinginformationActivity (2) Listen for the gist.See page 30 Ex 2.Activity (3) Listen for the details.Isaac NewtonAlbert EinsteinStephen HawkingideaLarge 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, you can’t _________. But if you don’t, you may be able to _______.【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）2Task 3 Individual Work In Class (10 minutes)Activity (1) Skim the passage A Visit To The Moon and answer ① How many times does gravity change during the journey?② 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）
