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江西宜春中学高中英语 Unit4 Astronomy the science of the stars Using Language(1)学案 新人教版必修3


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 5 Task 2 Individual Work In Class (20 minutes) Activity (1) Question: What do you know about them and their ideas on gravity? Isaac Newton information Albert Einstein Stephen Hawking Activity (2) Listen for the gist. See page 30 Ex 2. Activity (3) Listen for the details. Isaac Newton idea Large bodies have a _______ which pulls things towards them Albert Einstein In space, large objects make ___________ bend. The _______ the object, the _____________ space-time bends. Time goes _______ In very strong gravity. Stephen Hawking Black holes have a very ______ mass and _______ things towards them. Development The _______ the object, the _______ the gravity. If you go over the edge, you can’t ____ _____. But if you don’t, 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 ① How many times does gravity change during the journey? ② How does it change during the journey? when leaving the earth gravit y weight too far from the earth on the moon Activity (2) Answer. What is your understanding of gravity now? Activity (3) Listen to the tape and practice reading. Homework Activity (1) Practice reading the

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