八年级英语下册 Lesson25 Let’s Do an Experiment教案 冀教版VIP专享VIP免费

Lesson25:Let’sDoanExperiment!Step1：复习巩固、激情导入复习：提问unit3重点词组和句型导入：Doyouliketodoexperiment?Whatexperimenthaveyoudone?Step2：出示目标、明确任务1.牢记本课黑体词汇：science/experiment/fill/prove/scientific/method等；2.能分角色表演对话；3.背诵重点句子1-5，并灵活运用相关知识点。Step3：自主学习、合作探究任务一：限时5分钟，熟读所有词汇，牢记黑体词汇任务二：熟读对话，把握其意，画出不理解处，同桌之间交流任务三：背诵重点句子，并自学知识点，画出不理解处，同桌之间交流1.Ifillajarwithwater.2.Iturnthejarupsidedown.3.I'msurethefloorwon'tgetwet.4.Wecanprovewho'sright.5.We'lldotheexperimentandobservewhatwillhappen.Step4：师生互动、展示提升互动一：单词记忆比赛互动二：对话熟读接力赛互动三：知识点展示大比拼知识点一：Ifillajarwithwater.fill...with...意为“用...装满...”befilledwith...=befullof...意为“充满...”fillin...意为“填上...;填充...”Eg:Onhearingthenews,hereyesarefilledwithtears.Theyfilledtheholewithwater.Fillintheblanks.知识点二：Iturnthejarupsidedown.Turn…upsidedown意为“把……翻转/倒过来”upsidedown意为“正面朝下”rightsideup意为“正面朝上”Eg:Thatpictureisupsidedown.Youholdthebookupsidedown.知识点三：I'msurethefloorwon'tgetwet.besure（that）从句,意为“肯定……，确定……”主句的主语必须是人否定形式是benotsure+疑问词引导的从句.Eg:Tomissurethathewillwinthegame.Tomisnotsurewhetherhecanwinthegame.I'mnotsurewhenhe'llcomehere.知识点四：Wecanprovewho'sright.prove是及物动词,意为“证明,证实”常用于以下结构:provesth.(tosb.);prove(tosb.)that...;prove...(tobe)+adj/n.Eg：Thefacthasprovedtheman'shonestytousall.=Thefacthasprovedtousallthatthemanishonest.=Thefacthasprovedtheman(tobe)honest.prove也可以作不及物动词,意为吧“证明\表明(自己)是...”后跟形容词或名词.Eg：Mytheorywillproverightsomeday.Duringthetrip,heprovedamanwithastrongwill.知识点五：We'lldotheexperimentandobservewhatwillhappen.(1)observe是动词,意为“观察”observesb.dosth.observesb.doingsth.用法同see/watch/hear等Eg:Iobservedherdance.WhenIpassedbythegrass,Iobservedhimwalking.（2）happenvi意为“发生”【固定短语】sthhappenstosb（无被动语态）HappentodosthEg:Whathashappenedtoyou？Ihappenedtomeetanoldfriendyesterday.Step5：巩固练习、检测验收教学反思：课时32Lesson26:OneWetDanny?Step1：复习巩固、激情导入复习：提问Lesson25知识点1-5导入：WhyisDannygoingtowearhisswimsuit?Step2：出示目标、明确任务1.牢记本课黑体词汇：force等；2.能分角色表演对话；3.背诵重点句子1-4，并灵活运用相关知识点。Step3：自主学习、合作探究任务一：限时2分钟，熟读所有词汇，牢记黑体词汇任务二：熟读对话，把握其意，画出不理解处，同桌之间交流任务三：背诵重点句子，并自学知识点，画出不理解处，同桌之间交流1.Brian，JennyandDannyaretalkingabouttheirexperiment.2.Theforceoftheairwillkeepthewaterinthejar.3.Brianwillturnthejarover.4.Iwillasktheclasstomakeobservationsandguesswhatwillhappen.Step4：师生互动、展示提升互动一：单词记忆比赛互动二：能分角色表演对话互动三：知识点展示大比拼知识点一：Brian，JennyandDannyaretalkingabouttheirexperiment.【固定词组】talkabout意为“谈论”talktosb意为“对某人说”talkwithsb意为“和某人谈论”知识点二：Theforceoftheairwillkeepthewaterinthejar.Forcen力量、武力、暴力Eg：Theforceofhumanisgreat.V迫使、强迫【固定词组】forcesbtodosth=forcesbintodoingsth意为“强迫某人做某事”Eg：Nobodycanforcemetodoanything.知识点三：Brianwillturnthejarover.【固定词组】turnover意为“翻过来”（over为副词）Over短语：comeover(to)…到...