文档文本内容
教 案
教学基本信息
学科 English 学段 初中 年级 九年级
总课
单元 Unit 6 课题 When was it invented? 6
时数
Section B 授课
课时 课型 听说课
(1a-1e) 时间
教学目标及教学重点、难点
教学目标：
At the end of the class, the students will be able to:
1. learn how potato chips were invented.
2. learn to listen for the details.
3. talk about the history of inventions
教学重点：
1. Key vocabulary :
crispy, salty, sour, customer...
by mistake, in the end, put...on....
2. Key sentences:
a. Potato chips were invented by mistake.
b. They were invented in 1863.
c. Potato chips were invented by a cook called George Crum.
3. Structure:
S+was/were+past participle+by…
教学难点：
Talk about how potato chips were invented by using the passive voice of the past tense.
教学过程(表格描述)
教学环节 主要教学活动 设置意图
1. Show some pictures to Ss and ask :
What kind of snacks do you like to eat?
How do they tastes? 通过图片，引导学
Step 1
Can you describe them? 生将食物分成不同
Lead in
的口味，学习新单
Which taste do you like best?
(PPT 3-7)
词，导入1a。
2. Make Ss discuss with partners,then look at
the colorful food and divide them into different
tastes. Try to say something about them .
Work on 1a,1b.
1. Show pictures of potato chips, lemon, ice-
将1a的食物分成不
cream, and salted duck eggs to Ss to look. Talk
同的口味。然后在
Step 2 with the class about these foods and ask Ss to
每一种不同的口味
Presentation describe their taste. The words in the box
后面写出一种不同
(PPT 8-9) describe how food can taste. Write them under
的食物，熟悉新单
the correct pictures. Some pictures have more
词。
than one word.
2. Check answers in class and make Ss readthe words.
3. Guide Ss brainstorm different food .
What other fruit is sweet/sour?
What food is crispy/salty?
Make them write the names of different foods
after each word.
4. Call some Ss to write their lists on the
blackboard.
Work on 1c,1d.
1. Make Ss read the sentences in 1c. Try to
predict what we are going to hear.
2. Play the tape for the first time for Ss listen
and try to get the rough meaning. 听力练习使学生对
Step 3
3. Play the tape for the second time and Ss circle 薯片的历史有详细
Listening
T or F. 的了解， 并完成两
(PPT 10-11)
4. Play the tape once again.Check their answers. 个听力任务。
5. Make Ss listen again and complete the
sentences.
6. Check answers and make Ss read the short
passage.
Work on 1e.
1. Ask Ss to work in pairs to make a
conversation about the invention of potato chips.
Use the information in 1c and 1d.
A:Did you know potato chips were invented by
分角色讨论食物制
mistake?
作历史，使学生在
Step 4
B: Wow, I didn’t know that. Who invented them? 愉快的口语训练中
Practice
A:... 巩固句型。拓展阅
(PPT 12-15)
2. Work in pairs. Have a discussion about the 读帮助学生了解更
foods. 多的知识。
Do you know what they are?
How were they invented?
3. Show a passage about sandwich for Ss to
read.
解决本节课的难点,
Step 5 1. Explain the usage of by mistake, enough, in
学生在语境中感受
Language points the end.
和体验词汇的用
(PPT 16- 21) 2. Ask Ss to read them.
法。
通过词型填空、选
Step 6
Show some exercises to practice the key words 词填空和翻译句子
Exercises
and key sentences. 等形式练习所学的
(PPT 22-25)
重点词汇和句型。
1. Listen to 1b. 熟 练 掌 握 听 力 材
Step 7
2. Make conversations with other students talking 料。设计开放性的
Homework
about how potato chips were invented after class. 作业，使学生了解
(PPT 26)
3. Write a conversation to talk about something 更多关于食物的历else. 史。
Unit 6 When was it invented?
Section B (1a-1e)
sweet: cake, banana, ice-cream...
板书设计
crispy: potato chips, fried chicken...
salty: cheese, salted eggs...
sour：vinegar, lemon...
1.本节听说课谈论薯片的发明。
教学反思
2. 听力过程中注意被动语态的运用。这是听力的难点部分。
