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选修8《Lesson 1 Global Warming》公开课教案优质课下载
Difficult points:
Students have the awareness to save energy.
Teaching aids:
Multi-media computer, a poster, marker pens and several pieces of paper.
Teaching procedures:
Step 1: Lead-in
Show students a video about animals being desperate and eventually committing suicide.
Question 1:What happened to the these animals?
Question 2: Why did they do so?
Answer2: The main cause is global warming.
Step 2: Brainstorming
Question1: What is the cause of global warming?
Quesition 2: What effects will global warming bring to us?
I will give students some pictures to deduce the answers.
The two main causes:
Greenhouse effect
Human activity
The effects of global warming:
The good effect: the plants will grow faster in cold area.
The bad effects: The rise in sea level and coastal flooding.
More frequent happens of natural
disasters.
Some species in the Arctic and
Antarctic will be in danger.
Step 3: Listen and Exercise