Lesson 30 Science Affects Us名师教学设计

冀教九年级英语

Unit5 Look Into Science

编写人：刘学

Lesson 30 : Science Affects Us 一、教学目标： 1. 语言知识目标

(1)词汇：

掌握词汇：suggest,development,discovery ,mobile phone 认知词汇：affect,jar,scientific,experiment (2)短语：do an experiment,full of,turn…over,take (…) off,be like,better and better(more and more),enjoy doing,one of,push up/down, in place (3)句型：Cover the jar with the cardboard and turn the jar over. The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. I always wonder what life would be like without computers or mobile phones. 2.能力目标

(1)能够读懂并听的懂本课的两封e-mails. (2)参照课本77页第3题和搭档用英语谈一项发明

（eg.camera/compass/clock）. (3)能把对话整理成一篇小短文。

3. 情感目标

Understand science,study science,use science and develop science. 二、教学重难点

1) 宾语从句（陈述句和特殊疑问句）。

2) 定语从句及现在分词作定语。

3）that（one/it/those）表比较或对比时的用法

三、教学示例

1. 导入示例 T:DNA is really interesting and useful ,right? Ss:Yes,of course! T:Sometimes science is hard to understand and unblieveable.In science class this week,Brian,Danny and Jenny did an experiment and surprised everyone.Shall we go and see? Ss:Ok,let’s go.

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冀教九年级英语

Unit5 Look Into Science

编写人：刘学

T:But first ,let me check the things I asked you to bring here today.(a jar ,some water and a piece of cardboard). 2.重点突破示例

(1)口语表达

T:Next we will learn two e-mails both from Jenny to Wang Mei ang from Wang Mei to Jenny.The first one is about an experiment .Can you guess for what I asked you to bring the things ? Who would like to present the experiment by using themto the class and explain the reason ? The second one is about …. Now your time please! (2)听力训练

Listen to the tape once and fill in the blanks.(Exersise 1 on page 77). (3)阅读

1).Go through the two e-mails quickly and finish off exercise 2 on

page 77. 2).Read passage 1 and answer: Who did the experiment ? What conclusion can you draw from the experiment ? How do you like the experiment? 3).One more time of reading to find language notes. 1.turn over 颠倒，打翻

2.take off 起飞，脱下，从…拿走

3.push down 向下按

4. learn about 学习，了解

5.change the word 改变世界

Finish off the exercise by using the correct forms of the phrases obove 1.

Most of the students have fun _____________ DNA. 2.

Computers have greatly ______________ in many ways. 3.

The milk ____________ by the little cat last night. 4.

Don’t _____________ hard on the box.It’s fragile.

5.

The plane flying to Hong Kong ______________ in five minutes. 3.巩固提高

构词:派生

affect v.—effect n.影响

suggest v.—suggestion n.建议

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冀教九年级英语

Unit5 Look Into Science

编写人：刘学

discover v.—discovery n.发现

develop v.—development n.发展，开发

4.写作

“Let’s Do It”

part 3 on page 77 四．作业

1) a third reding of the text 2) learn the words and expressions by heart 3) preview Lesson 31 五

课后反思

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