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Unit 4 Astronomy the science of the stars Using Language（1）学案
【要达成的目标】
1.The students will be a
bl
e to develop their listening skills.
2.The students will be able to develop t
heir reading skills.
【“教”与“学”过程】
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?
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Isaac Newton |
Albert Einstein |
Stephen Hawking |
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information |
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Activity (2) Listen for the gist.
See page 30 Ex 2.
Activity (3) Listen for the details.
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Isaac Newton |
Albert Einstein |
Stephen Hawking |
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idea |
Large bodies have a _______ which pulls things towards them
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In space, large objects make ___________ bend. The _______ the object, the _____________ space-time bends. |
Black holes have a very ______ mass and _______ things towards them. |
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Develop- ment |
The _______ the object, the _______ the gravity.
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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 _______. |
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?
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when leaving the earth |
too far from the earth |
on the moon |
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gravity |
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weight |
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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）
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