高中英语外研版 (2019)必修 第三册Unit 3 The world of science学案

枣庄二中2022级高一英语学历案

Book 3 Unit 3  The world of science

课时4 Writing

        2023年5月16日

        Learning aims

1.To master the usage of some important words and phrases: instead of ; have an incredible desire to; in terms of ; is capable of ; etc

2.Have a good knowledge of the basic requirements and patterns of the experiment report.

3.Apply what have learned to writing.

        Assessment tasks

According to the text, complete the tasks given in class, and finish corresponding exercises.

        Learning Procedures

Step 1: Warming-up

短语和单词回顾

1.除此之外                               2.说到，在..方面                                      

3.况且，而且                               4.别轻易说不                      

5.毫无疑问                                  6.导致                          

7.被......震惊                                  8.而不是                       

9.能够/有能力做某事                        10. 为了                           

11.鼓舞/激励某人做某事                     12. 不止一个                        

基础训练: 课文重点句子再现并仿写。

1.What remains important is that we have an incredible desire to think and create.

仿写：我非常渴望知道这个神奇的瓶子会发生什么。

_______________________________________________________________________________2. New research suggests that the story may be fiction instead of fact.

仿写：令我惊讶的是，鸡蛋进入到了瓶子里，而不是停留在瓶口。

_______________________________________________________________________________

3. In terms of the experiment, it is now possible to create an intelligent walking house.

仿写：说到大象牙膏实验，可能很多人都很困惑它是什么。

_______________________________________________________________________________

4. So what is it that inspires us to invent things?

仿写：正是大象牙膏实验激励我们探索化学的奥秘。

_______________________________________________________________________________

5. More than one generation of schoolchildren has been amazed by his bravery.

仿写：不止一个同学被大象牙膏实验的结果震惊到。

_______________________________________________________________________________

6. It is capable of using GPS technology to travel to different places.

仿写：混合这些液体能够产生非常多的泡沫。

_______________________________________________________________________________

Step 2: Pre-writing

1. Scanning：Look through the text on Page 46, and have a discussion about the answers to the questions followed.
2. Reflection：This text is an                            .

How to write a report of the experiment:

3. Essay appreciation:

The experiment                   （被设计来...）prove whether air pressure really exists.

                   (在...一开始) the experiment, I prepared the materials, including a boiled egg, a glass bottle whose neck is a bit smaller than the egg, and some hot water. With all the things prepared, the experiment began.

First, I            （移除） the shell of the egg. Then, I carefully poured some hot water into the bottle, and          （摇晃） the bottle gently. After a few minutes, I             （倒出） the hot water. Just                       （与此同时）, I quickly placed the egg                （在...顶部）the bottle.                         .（令我惊讶的是）,the egg went into the bottle

             （而不是）sitting at the top.

After the experiment, I can                    (得出结论) that air pressure indeed exists, and it is very powerful. It is the force of the air that pushed the egg into the bottle.

Step 3:While-writing

Draft：如果你看过《一闪一闪亮星星》，那么你一定知道张万森与林北星一起做的非常有意思的“大象牙膏”实验，下面观看视频，和英语老师一起探索化学实验的奥秘吧！

注意：观察实验       记录实验步骤       撰写实验报告

Note：Take good protection and be careful of burns.

Elephant Toothpaste Experiment

Step 4:Post-writing

Check each other’s essay. Find the advantages and disadvantages.（content, patterns and expressions）：

Step 5 Assignment

Finish the homework after class.

        Reflection after learning

1. What have learned from this class?                                                  

2. What have omitted in this class?