江西省宜春市宜春中学高中英语 Unit4 Astronomy the science of the stars Using Language（1）学案 新人教版必修3.doc

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 ‎ Albert Einstein Stephen Hawking information Activity (2) Listen for the gist.‎ See page 30 Ex 2.‎ Activity (3) Listen for the details.‎ Isaac Newton Albert Einstein Stephen Hawking idea Large bodies have a _______ which pulls things towards them In space, large objects make ___________ bend. The _______ the object, the _____________ space-time bends.‎ Black holes have a very ______ mass and _______ things towards them.‎ Develop-‎ ment The _______ 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 _______.‎ 2‎ 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 ‎ too far from the earth on the moon gravity weight 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 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）‎ ‎【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）‎ 2‎