新牛津深圳版英语八年级下册《chapter 3 environment》periodⅡ优秀教案(重点资料).doc

Chapter 3 Environment
(PeriodⅡ)
Date: March 18th , 2009 学科：英语授课年级：八年级教师：卢苑（翰林学校）Teaching material: Oxford English 8B
Teaching goals:
1.Knowled ge goal
Students are able to have a detailed understanding of the reading text.
2.Ability goals[
(1)Know about the effects of the greenhouse effect and destr uction of rainforests
(2)Practice speaking through the four main topics in the reading text
(3)Learn to work in groups
3.Emotional goal
Students raise their awareness of protecting the env ironment as green consumers Important points:
Detailed understanding of the four main topics in the rea ding text
Difficult points:[
Two environmental problems (the greenhouse effect, destruction of rainforest)
Teaching Procedures
Step 1 Leading-in
1.Sing a song
2.Watch the video Water World and then answer so me questions about the video to lead in
the n ew lesson.
Step 2 Pre-reading
Raise the two environmental problems
Step 3 While-reading
1.Learn about the first environmental problem: the greenhouse effect;
●Brainstorming: Is greenhouse effect important or harmful?
●Use the key words to talk about the importance and harmful effects of the greenhouse
effect
2.Learn about the second environmental pro blem: destruction of rainforests
●Watch a video and raise the topic.
●Ask some questions about the topic
What can trees do for us?
What may happen if trees are cut down?
3.Talk about the causes of the above environmental problem—bad habits[网]
●Free talk: human beings’bad habits of polluting the environment
●Results of the bad habits, raise the phrase- environmentally friendly
4. A survey about the t ext
●Finish a survey form in a group of four and two students report the results
Step 4 Post-reading
A task: Finish a poster in groups
1. Look at the pictures of beautiful scenic spots in Shenz hen.
2.Find out different kinds of pollution in Shenzhen
(1)As green consumers, how can we make Shenzhen more beautiful?
(2)Students’presentation.
Step 5 Homework
1.Listen to the tape and read the article, and try to imitate the tape.
2.Make a poster ‘How to make Shenzhen more beautiful’individually.
3. Finish Part C&D on Page 32&33 in the textbook.。