资源描述
Unit 9 When was it invented
教学目标
知识与技能
1.Key Vocabulary
bulb, light bulb, microwave, oven, microwave oven,
2.Target Language
What do you think is the most helpful invention?
I think the most helpful invention is the light bulb. Why is that?
Well, it gives people more time to work and play every day.
过程与方法
Train the students' writing and speaking skills with the target language.
情感态度价值观
If you are alone on a tiny island, what inventions would you like to have on the island with you?
教学分析
教学重点
1．Talk about the helpful inventions and annoying inventions.
2．Guide the students to discuss their opinions on the inventions.
教学
难点
难点
1．Discuss the opinions on the inventions.
2．Use the target language to describe the inventions.
教学资源
A tape recorder , CAI
板书设计
Unit 9 When was it invented?
The Second Period
Target language:
A: What do you think is the most helpful invention?
教学过程设计（第 课时）
教学环节
教师活动
学生活动
教学媒体
预期效果
Step 1 Revision
Wat Show some pictures about inventions such as computer, telephone, car, TV, calculator… Ask the students to practice speaking.
Step 2. Presentation
Ⅰ.3a Pairwork
11.Look at the pictures. There are some inventions (alarm clock, light club, microwave oven) . Ask students to read them loudly.
2. Ask students the following questions.
Is the light club useful or annoying?
3. Ask the students to make a list of five helpful inventions and five annoying inventions on their own, move around the room to offer help as needed.
4. Let the students who would like to share their answers to read to the class.
Ⅱ.3b
1.Ask the students to pay attention to the conversation. Ask two students to read the conversation.
2. Ask the students to discuss their opinions in 3a with their partner.
Ⅳ. Groupwork
1.Show a picture. Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you.
2.Tell the group what you choose and why, use these sentences.
I think the most helpful invention is…
I’d like to have a… because I could…
It’s used for…
I also want a… because it…
3.Ask the students to discuss in a group.
Step3:Summary
Talk about the inventions in the picture.
Make a list of five helpful inventions and five annoying inventions .
Discuss their opinions in 3a with their partner.
Choose five inventions you would like to have on the island with you.
Tell the group what you choose and why, then discuss in a group.
复习上节课所学知识，温故而知新。
谈论不同物品是否对人类有帮助，练习学生口语。
谈论不同物品是否有用，提高口语表达能力。
用所学语言，表达自己的看法。
教学设计评价
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