Unit 3 The World of Science Writing （ppt课件）-2022新外研版（2019）《高中英语》必修第三册.pptx

1、The world of scienceB3M3 B3M3WritingRead the instructions for the experiment and answer the questions.1.What do you think the results of this experiment will be?2.What can you learn from this experiment?Pre-writing:Read&Answer1.What do you think the results of this experiment will be?The egg will sq

2、ueeze into the bottle.2.What can you learn from this experiment?The experiment shows us the effects of air pressure.Air pressure indeed exists,and it is very powerful.Pre-writing:Read&AnswerComplete the boxes with the information in Activity 5.Do further research if necessary.While-writingThe experi

3、ment is designed to _ _.prove whether air pressure really existsWhile-writingI prepared _ _ to do this experiment.Procedure:_.a boiled egg,a glass bottle whose neck is a bit smaller than the egg,and some hot waterFirst,I removed the shell of the egg.Then,I carefully poured some hot water into the bo

4、ttle,and shook the bottle gently.After a few minutes,I poured out the hot water.Just at the same time,I quickly placed the egg on top of the bottleWhile-writingAfter the experiment,I can draw the conclusion that _ _.air pressure indeed exists,and it is very powerful.It is the force of the air that p

5、ushed the egg into the bottle The structure of an experiment.While-writing An experiment report usually consists of three parts.Introduction:Introduce the aim of the experiment.Main body:Describe the materials used in the experiment and explain the procedures.Conclusion:Report the results and what y

6、ou have learnt.Post-writing Write a report of the experiment and share your report with the class.Post-writing Useful expressions:The experiment is designed/aimed to.I prepared.,including.First.,then.,after.After the experiment,I can draw a conclusion that.Write a report of the experiment and share

7、your report with the class.Post-writing Post-writing:EvaluationQuestions Your evaluation EvaluatorDoes the report include the key points?4 2 0Is the report organized according to the layout offered?3 2 1How is the language?12 8 4 2How is the handwriting?3 1 -1Paper design3 1 -1TOTAL MARK The experim

8、ent is designed to prove whether air pressure really exists.At the beginning of 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 removed the shell of the

9、 egg.Then,I carefully poured some hot water into the bottle,and shook the Post-writing:Reference Text bottle gently.After a few minutes,I poured out the hot water.Just at the same time,I quickly placed the egg on top of the bottle.To my amazement,the egg squeezed into the bottle at once.After the ex

10、periment I can draw the conclusion that air pressure indeed exists,and it is very powerful.It is the force of the air that pushed the egg into the bottle.Post-writing:Reference Text The experiment is designed to prove whether air pressure really exists.At the beginning of the experiment,I prepared t

11、he 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.Post-writing:Reference Text目的是目的是水煮鸡蛋水煮鸡蛋（物体的）颈部（物体的）颈部 First,I removed the shell of the egg.Then,I carefully poured some hot water into th

12、e bottle,and shook the bottle gently.After a few minutes,I poured out the hot water.Just at the same time,I quickly placed the egg on top of the bottle.To my amazement,the egg squeezed into the bottle at once.Post-writing:Reference Text倾倒，倒出倾倒，倒出轻轻地轻轻地倒出倒出放置，安放放置，安放挤入挤入 After the experiment I can dr

13、aw the conclusion that air pressure indeed exists,and it is very powerful.It is the force of the air that pushed the egg into the bottle.Post-writing:Reference Text 结论；结论；推论推论 存在存在 强有力的强有力的 力量力量IVLanguage points Language points:Important sentences1.The experiment is designed to prove whether air pre

14、ssure really exists.whether 从句在动词从句在动词prove 后作宾语，即宾语从句后作宾语，即宾语从句，意为，意为“是否是否”。例如：例如：I asked him whether he had done it all by himself.Language points:Important sentences2.I prepared the materials,including a boiled egg,a glass bottle whose neck is a bit smaller than the egg,and some hot water.includi

15、ng 在句子中为动词的现在分词充当状语。在句子中为动词的现在分词充当状语。例如：例如：Six people were killed in the conflict,including a policeman.whose在句子中引导定语从句，意为在句子中引导定语从句，意为“谁的谁的”，即，即“a glass bottles”,在从句中作定语。在从句中作定语。Language points:Important sentences3.With all the things prepared,the experiment began.With的复合结构：的复合结构：with+宾语宾语+宾语补足语宾语补

16、足语即即with+名词名词/代词代词+非谓语动词非谓语动词/介词短语介词短语/副词副词/形容词形容词/名词。名词。句中句中all the things 和和prepare 之间为被动关系，所以之间为被动关系，所以用用prepare的过去分词表示被动。的过去分词表示被动。Language points:Important sentences4.It is the force of the air that pushed the egg into the bottle.本句为强调句型本句为强调句型结构为结构为it is/was+被强调部分被强调部分+that/who+句子剩余部分句子剩余部分意为意为“正是正是”例如：例如：It was with your generous help that I could pass the exam.VHomeworkHomeworkDo an experiment following the teachers direction,and write a report about the experiment.