外研版（2019）高中英语必修第三册 Unit3_Developing_ideas-writing_名师课件.pptxVIP

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外研版（2019）高中英语必修第三册 Unit3_Developing_ideas-writing_名师课件.pptx

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Unit3 The World of SciencePeriod4 Developing ideas-writing ⅠⅡⅢⅣCONTENTSHomeworkPre-writingWhile-writingPost-writing Pre-writingPart 1 What safety rules are you supposed to follow in the lab?Read the instructions carefully and never play with the instruments and mials in the laboratory. Hands-on time Read the instructions and predict what the result of the experiment is.What factors might influence the experiment? PreparationMagic bottle Group workExperiment conductorAssistantModeratorDemonstration Demonstration What happened to the egg? Why?What does the experiment try to prove?It tries to prove that air pressure does exist!The egg was squeezed into the bottle.When the temeperature within the bottle cools down, the air pressurei in the bottle would be lower than that outside the bottle. As a result, the egg was pushed into the bottle. While-writingPart 2 Taking notesIntroductionAimMain bodyMaterialsProcedureConclusionResults What you have learnedWrite an experiment report Complete the boxes in activity 5 with the information in Activity 5 and our discussion. Do further research if necessary. Language Features of Experiment ReportsConcisePrecise Experiment report standardsThe report doesn’t miss any detail of the experiment;The report illustrates the experiment accurately and concisely;The report doesn’t contain any spelling or grammatical mistakes. Post-writingPart 3 First DraftIntroductionAimMain bodyMaterialsProcedureConclusionResults What you have learned Reading and doing peer assessment Revising and EditingThere are many scientific principles in the world that can be tested by simple and interesting experiments.And today, I decided to do one named Magic bottle with the purpose of proving that the air pressure really exists. …including a boiled egg which was not hot any more, a transparent glass bottle whose neck was a bit smaller than the egg and some hot water. When everything was ready, the experiment began. I removed the shell of…I carefully poured some h