Unit5Startingout课件外研版英语八年级下册

Startingout

Unit5

Lookingintonature启思课-沈言Whatdothesepicturesmakeyoufeel?wonderfulmysteriousamazing...excitingThesethingsareallpartofnature.Why

isnaturesomysterious?Today,let’s

lookintonatureexplorationthisunit!Lookingintonature

5

UnitStartingoutByCindyWhatdoyouknowaboutnature?Inthisunit,let’slookintonatureexploration.Howcanweexplorenature?Whataresomeofitsunsolvedsecrets?Whatisthespiritofnatureexploration?Bytheendofthisunit,youwillmakeaposteraboutanachievementinnatureexploration.➷➷➷➷➷➷➷➷➷➷usewordsandexpressionsintheunittotalkaboutnatureexploration.useobjectclauseswiththat,ifandwhethertodescribediscoveriesinnatureexploration.describethespiritofnatureexploration.makeaposteraboutanachievementinnatureexploration.Whatcanyouseeinthepicture?Amanisholdingaflashlightinadesertatnight.Icanalsoseecountlessstarsinthesky.LookandsayWatchthevideosandanswerthequestion.WatchandsayWhatdoyoufeelwhenyouwatchthesescenes?Watchthevideosandanswerthequestion.WatchandsayWhatdoyoufeelwhenyouwatchthesescenes?Watchthevideosandanswerthequestion.WatchandsayWhatdoyoufeelwhenyouwatchthesescenes?Whatdoyouknowaboutnature?Inthisunit,let'slookintonatureexploration.Howcanweexplorenature?Whataresomeofitsunsolvedsecrets?Whatisthespiritofnatureexploration?Bytheendofthisunit,youwillmakeaposteraboutanachievementinnatureexploration.Aftercompletingtheunit,youwillbeableto:▶usewordsandexpressionsintheunittotalkaboutnatureexploration.▶useobjectclauseswiththat,ifandwhethertodescribediscoveriesinnatureexploration.▶describethespiritofnatureexploration.Whatare

you

going

to

learn

in

this

unit?discoveriesinnatureunsolvedsecretsofnaturespiritofnatureexplorationLookatthepicturesandanswerthequestions.P6711Whatdoyouknowaboutthesepeople?AMingDynastyphysician(医师；(尤指)内科医生)FatheroftraditionalChinesemedicine(1518—1593)CompendiumofMateriaMedica李时珍的《本草纲目》是当时最系统、最完整、最科学的一部医药学著作，不仅为中国药物学的发展作出了重大贡献，而且对世界医药学、植物学、动物学、矿物学、化学的发展也产生了深远的影响，被誉为“东方医药巨典”。英国著名生物学家达尔文称它为“中国古代百科全书”。李时珍亦被后世尊为“药圣”。另外，李时珍还著有《奇经八脉考》《濒湖脉学》《五脏图论》等医书。A

BritishscientistProposedtheoryofevolution(进化论)Explainednaturalselection(自然选择)(1809-1882)1859年11月24日，英国博物学家、进化论的奠基人达尔文的《物种起源》出版，奠定了进化论的理论基础。进化论被恩格斯称为19世纪自然科学三大发现之一。OntheOriginofSpeciesAQingDynastyfemalescientistAnexpertinmathematicsandastronomy(数学和天文学)Explainedlunareclipses(月食)(1768-1797)2016年，在美国畅销书《勇往直前：50位杰出女科学家改变世界的故事》中，王贞仪和居里夫人、吴健雄等同列。2018年，美国数学教授撰写的《数学的力量：数学的反叛女性》(PowerinNumbers)中，王贞仪作为第一位“先驱者”被介绍。2019年《自然》(Nature)网站把王贞仪列为“为科学发展奠定基础的女科学家”。陨石坑命名1994年，国际天文学联盟（IAU）为表彰王贞仪在天文学领域的卓越贡献，将金星上一个编号为6487，中心位置位于（13.20°、217.80°），直径23.40km的陨石坑，用王贞仪的名字命名，以此来纪念这位18世纪伟大的中国天文学家、数学家。丈夫之志才子胸，谁言女子不英雄。足行万里书万卷，常拟雄心胜丈夫。—王贞仪2.Whatdotheyhaveincommon?Theyallstudiednature.Theytaughtotherpeopleaboutnature,too.LiShizhenCharlesDarwinWangZhenyicameupwiththetheoryofevolutionmadecontributionsinmathsandastronomyNowhaveacheck.afamousBritishbiologistafamousdoctorintheMingDynastyawell-knownfemalescientistintheQingDynastywroteBencaoGangmuWatchthevideoandanswerthequestions.oceanspacehumanbeingsWhatsecretsofnaturearementionedinthevideo?Whatlivesinthe_______parts

oftheocean?Isthere_____amongthestars?Whydowe_______?deepestlifesleepAnswerthequestions.oceanspacehumanbeings...1.Whatsecretsofnaturedoyouknow?Thesecretoffireflies:Theycanglowatnighttocommunicatewitheachother.2.Whichonedoyouwanttoexploremore?Iwanttoexploremoreaboutlifeamongthestars,becauseIwonderifthereareotherlivingthingsinspace.oceanspacehumanbeings...Whichonedoyouwanttoexploremore?Chooseanexplorerorasecretofnatureandpreparea1-minuteoralreport,whichshouldinclude:Who/Whatisit?Whatdoweknowaboutit?Whyisitworthexploring?Disscussandthenshareyouranswers.Onepossibleversion:Goodmorning,everyone.Today,Iwanttotalkaboutasecretofnature:Whydowesleep?First,weallknowthatsleepisverycommon.Everynight,wespendabout8hourssleeping.Whenwesleep,ourbodiesandbrainsarenotreally“off”.Butwhydoweneedit?Weknowthatsleephelpsusrest.Itmakesourbrainsworkwellthenextday.Ifwedon’tsleepenough,wewillfeeltiredandcan’tstudywell.Ithinkitisworthexploringbecauseeveryonesleeps,butnotmanypeopleknowtherealreasons.Bystudyingsleep,wecankeephealthyandlivebetterlives.Thankyouforlistening!e.g.1.Canyoulistsomesecretsofnature?2.Canyoutalkaboutthethreegreatexplorersandtheircommonpo