六年级上册英语教案 Module 4 Unit 10 Air_【第二课时】 牛津上海版（三起）

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: