资源描述：
《高中英语 4.3《Unit4 Key to exercises in the workbook (III)》课件 新人教版选修9.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、新课标人教版课件系列《高中英语》选修(模块）9-4.3ExperimentreportsWritingLookatthepicturesinExercise1andguesstheanswerstothequestions:Whatmaterialsarebeingusedinthisexperiment?Whatdoyouthinkthepurposeoftheexperimentis?Whatorderdoyouthinkthepicturesshouldgoin?ListeningonP79Numberthepicturesintheorderyouhe
2、araboutthem.23154Listentothefirstpartagainandanswerthequestions.Whatisthepurposeoftheexperiment?Tofindoutthreeimportantconditionsthatseedsneedinordertostartgrowing.2.Arestudentsgoingtodotheexperimentingroupsorindividually?Ingroups.3.Wherearethematerialsthatthestudentsneedtosetupthee
3、xperiment?Onthebench.4.Whatmaterialsdothestudentsneedtosetuptheexperiment?Fourdishesandfourpiecesofcloth,adishofseeds,sometapwater,someboiledwaterandsomecookingoil.ThirdlisteningListentothefirstpartagainandcompletethetableofconditionsthateachdishofseedswasgiven.ConditionsDishADishBD
4、ishCDishDtapwater,warmtemperature,oxygentapwater,coldtemperature,oxygennowater,warmtemperature,oxygenboiledwater,oil,warmtemperature,nooxygenFourthlisteningNowlistentothesecondpartofthetapeinwhichtheclassdiscussestheresultsoftheexperiment.Completethetableofresults.Didtheseedsgrow?Re
5、asonswhyorwhynotDishADishBYesBecausetheyhadwater,warmthandoxygen.NoBecauseitwastoocold.Didtheseedsgrow?ReasonswhyorwhynotDishCDishDNoNoBecausetheywerewateredwithboiledwaterwhichhasnooxygen.Also,theywerecoveredwithoilwhichpreventedoxygengettingtotheseeds.Becausetheydidn’tgetanywater.
6、Listentothesecondpartofthetapeagainanddiscussthequestion:Whatwastheconclusionoftheexperiment?Seedsneedwarmth,waterandoxygentogrow.AnexperimentonplantsPart1:Listentoateacher(TH)helpingherclasssetupanexperiment.TH:OK,everybody,thismorningwe’regoingtodoanexperimenttofindoutthreeimporta
7、ntconditionsthatseedsneedinordertostartgrowing.LISTENINGTEXTThematerialsareallonthebench.Choosesomeonefromyourgrouptogoandgetfourdishesandfourpiecesofcloth,adishofseeds,sometapwater,someboiledwaterandsomecookingoil.Lookattheinstructionsontheboard.Let’sreadthroughthem.One:Putthepiece
8、sofclothonthedishes
