Learning about Language板书设计

Unit3 Inventors and inventions Reading

THE PROBLEMS OF THE SNAKES

Teaching aims

1. Knowledge and skills(知识和能力目标) a.词汇：

discovery,

patent,

distinguish,

product,

power,

perfume,

cube,

abrupt,

abruptly,

convenient,

expectation,

monitor,

passive,

criterion,

valid,

call up,

now and then,

set about,

in case,

traffic jam,

beaten track,

dive into,

set out (to do) b.重点句型

Every time you do, you will be certain to find---- Nor will you receive a patient until--- ---jelly freezes hard when cooled. 2).To develop the students’ reading ability . 3).To develop the students’ speaking ability by talking about inventors and inventions．

2.Emotion，attitude and value（情感态度目标）

1）．To stimulate students to protect animals and love science．

2）．To develop students’ sense of cooperative learning．

4. Teaching strategies aims (教学策略目标):

1）. To make the students learn how to do with the information and obtain the reading skill .

2). To help understand how to solve a problem in a scientific way.

Important and difficult points(教学重难点) 1)．To enable the students to conclude the stages every inventor must go through.

2). Develop students' ability to make a summary of the text using some key\new words Teaching design(教学设计) Step１

Lead-in 1.Guessing game Give students some information about

Newton,

Ben Franklin,

Stephenson,

Madame Curie,

Zhang Heng……

and ask Ss to guess

2.

Show students some pictures and then ask

them to identify the difference between discovery and invention.

A discovery is something found out but it was unknown before.

An invention is something that created by human beings.

［设计说明］利用图片和学过的背景材料创设情景，通过引导学生对其简单描述使学生进入兴奋状态，激发其探求知识的好奇心，在不知不觉中导入新课。

Step2 Fast- reading Get the students to comprehend the passage quickly and accurately and meanwhile help the students form a good habit of reading. Divide the text into four parts and work out the main idea of each part. PartⅠ

(Para.1)

the discovery of the problem of snakes PartⅡ

(Para.2-3)

the research on the approaches to solve the problem PartⅢ

(Para.4-6)

the attempts to catch the snakes

PartⅣ

(Para.7-8)

the requirements of getting a patent. (设计意图：培养学生的略读技巧，找出文章段落大意) Step3 careful-reading Attention: when reading, give some tips to students（设计意图：针对各段细节设置问题，培养学生查找文章细节的能力）

Par1

the discovery of the problem of the snakes Q1, What was the mother upset about? Q2,Why was the writer happy to help

her mother? Para 2 the research on the approaches to solve the problem

Doing research

The first thing to do :look for ______to remove the snakes but not ____them. I set out to research the _____ of snakes to find the easiest way to trap them.

2．Why did the writer not use powders to solve the problem? A．Because it was an old thought pattern to use powders. B．Because that would harm or even kill the snakes. C．Because that would damage something else near the house. D．Because she wanted to invent something new.

Three possible approaches: ◆

removing the snakes’ ______

◆

attracting the snakes into a ____ using male or Thinking of a female ______or food◆

_______ the snakes so that creative solution they would become sleepy and could______________

I decided to use the _________ approach.

3．The following are the three possible approaches that the writer thought of to catch the snakes EXCEPT ________. A．removing their habitat

B．attracting them into a trap using male or female perfume or food C．using the natural enemies of snakes D．cooling the snakes Par4—6 the attempts to catch the snakes 1. How did the writer catch the snakes?

A. using something the snakes were interested to attract them into a trap. B. taking their habitat to another place. C. placing the snakes at a low temperature for them to sleep and then caught them. D. All the above. 2. The writer was successful to catch the

snakes in ____ attempt.

A. the first

B. the second

C. the third

D. every 3. The following are used in the three attempts EXCEPT ____.

A. perfume

B. a bowl

C. jelly

D. ice-cubes 4. Why did cooling the snakes make them less active?

A. Because snakes are warm-blooded animals. B. Because snakes like high temperature. C. Because snakes are reptiles and their body temperature

depends on the heat around them.

Para7 According to the text, which subject do you think can be given a patent? A. A new star discovered by a scientist. B. A new novel written by Huo Da. C. A new way to make dirty water clean. D. A new kind of grass found in a mountain which can be used as a medicine. Para8

Applying for a ______ ◆

The patent office makes a search to check that your product really is ________ from everyone else’s.

◆

Patent examiners examine whether your claim is _____ or not. ◆

Your application for a patent will be published ___ months from the date you apply if your claim passes all the tests.

此过程是对文章的深层理解，可分梯度设计课堂活动。文章内容的查找与归纳（作者捕蛇的三个步骤，不能获得专利的情况）→常识及推理性问题（为什么降温更容易捕蛇、获得专利的好处）→实践运用问题（作为专利局官员如何判断以下专利申请）→开放性问题（发明家应具备的品质）。此时，教师可运用多种教学方法，如个别提问、全体解答、齐读、讨论、个别交流、鼓励、启发等，以加深对文章的理解，培养学生的创新精神、协作精神和实践能力。多媒体的运用能扩大课堂容量，更形象而深入的解决教学中的重、难点。在融洽、热烈的师生互动中渗透价值观及学习方法的教育。）

Step 4 summary Ask students try to fill the blanks in this part and retell the text in their own words．

(设计意图：培养学生口语及用英语思维的能力并形成自己的交际策略）

Step 5 Discussion

Some inventions are very important in our daily life, such as mobile phones, computers and planes etc. Discuss what convenience they bring to us.

（设计意图：通过师生互动，激活主题，培养学生概括总结能力）

Step 6 Homework 1. To write a composition about how to prevent the students from

sleeping in class.

2. Try to find more information of inventions and talk about them．

（设计意图：通过交流运用本课的新词汇，为学生综合运用语言能力提供平台,）

Blackboard design 1. Some questions about the text. 2.The key words of the text snakes ,courtyard, now and then , researching ,possible approaches, have attempts, the third, successful, apply for ,patent. Reflection after teaching (教学反思)