Unit 4 Topic 1 When was it invented？ Section B 教案（表格式）

1197610011201400Unit 4 Amazing Science Topic 1 When was it invented?
Section B
教学目标
What are they used for? When was it invented? Who was it invented by?
教学重难点
1．Talk about the helpful inventions and
annoying inventions.
2．Guide the students to
discuss their opinions on the inventions.
教法
合作学习法
交际型教学法
分组活动法
教学过程
学生活动
设计意图
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. Group work
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。
小组活动，提升学生的团队合作能力。
作业布置
Homework:
1．Complete the short passage.
2．Translate some sentences.
1．我们都知道全世界广泛的应用英语。
2．食物在吃之前应该煮一下。
3．那条河被污染了。
4．那本书昨天被借出去了。
5．明年我校还要建一栋教学楼。
教学反思
创设各种情景，鼓励学生大胆地使用英语，对他们在学习过程中的失误和错误采取宽容的态度。在教学过程中，每个需要掌握的知识点，我都从差生入手，使他们掌握最基本的知识的同时，注意拓宽知识面，关注优生的情况，给他们自主学习和直接交流的机会。