牛津上海版(三起)六年级上册英语 Module 4 Unit 10 Air_【第二课时】优秀教学设计

Unit 10 Air
【第二课时】
【教学目标】
1．帮助学生学习Look and learn中的单词。

2．通过Say and act的情景对话，帮助学生理解核心句型的含义和用法。

3．通过对话表演，帮助学生操练句型，引导学生关注环保和空气污染问题。

【教学重难点】
1．词汇：factory, smoke, dirty, clean, fresh, plant trees
2．句型：
（1）It makes the air dirty.
（2）Trees keep the air clean.
【教学准备】
课件、音频
【教学过程】
I. Pre-task preparations
1．学生集体朗读Listen and say的课文，也可以让学生介绍空气，为后续学习做铺垫。

T: We know that air is very important to us all. Can you tell me why it's important?
S1: It keeps things high in the sky.
S2: It keeps people, animals and plants alive. （展示一些关于空气污染的照片，
引起学生的共鸣。

）
T: Yes. Air is so important to us. Look at these photos. Do you think the air is dirty?
2．通过提问引入Say and act的对话，导入课文。

T: What happens to the air? Ben and Kitty are talking about it. Let's join them. （在学生听录音之前，教师设问，让学生带着问题听对话。

）
T: How do Ben and Kitty feel about the air in different places?
What makes the air dirty?
II. While-task procedures
1．播放Say and act的多媒体动画，学生观看动画后尝试回答问题。

T: How is the air in the street?
S1: It's dirty.
T: How is the air in the park?
S1: It's clean.
2．播放课文第一段录音，学生两人一组模仿朗读。

教师提出问题，让学生通过练习对话找出答案。

T: Now, let's do a role-play. Act out the first dialogue with your partner. Talk about what makes the air dirty in the street. （把全班学生分成两大组，分角色朗读课文。

然后让学生回答问题。

）
T: Now can you tell me what makes the air dirty in the street?
S1: Smoke makes the air dirty.
T: Where does the smoke come from?
S2: Some smoke comes from the factory.
Some smoke comes from cars and buses.
T: Yes, that's why the air is dirty. So where can they get clean air?
3．提出问题，让学生带着问题阅读第二段的対话，了解空气洁净的原因。

T: How is the air in the park? What should we do to keep the air clean?
4．然后让学生两人一组表演对话，表演结束后回答前面提出的问题。

S1: The air is fresh because there are a lot of trees in the park.
S2: We should plant more trees and keep the air clean.
5．学生完成反馈练习，然后在小组内校对答案。

III. Post-task activities
1．总结Say and act的核心内容，通过提问引导学生回顾本课时所学的主要内容。

可以根据学生学力，采用教师提问、学生回答的方式概括本课时内容。

T: What is this dialogue about?
S1: It's about air pollution.
S2: Smoke from factories or cars makes the air dirty.
S3: It makes people's eyes hurt.
T: So what should people do to keep the air clean?
S4: We should plant more trees because trees keep the air clean.
2．学生朗读Say and act的对话，然后表演对话。

根据学生的能力，可以让学生发挥想象力，改编对话。

【板书设计】
Unit 10 Air
factory, smoke, dirty, clean, fresh, plant trees It makes the air dirty.
Trees keep the air clean.。