高中英語-How Life Began on the Earth教學課件設(shè)計

Book3

Unit4HOWLIFEBEGANONTHEEARTH

sunMercury['m?:kj?ri]Venus['vi:n?s]EarthMarsJupiter[d?u:p?t?]Saturn[s?t?:n]Uranus[j??r?n?s]Neptune[?neptju:n]水星金星火星木星土星天王星海王星TheSolarsystem

PlutoScientistsnowthinkPlutoistoosmalltobecalledaplanet.Pluto_______separatedtheskyfromtheearth.Story1

Pangu

_____mendedtheheavenandcreatedhumanbeings.Story2Nuwa

_________created

theworldinsevendays.Story3

GodThedevelopmentofHumanfrom________.Story4monkey

Lifewasbroughttotheearthby_______fromouterspace.Story3aliensPara.1

Para.2Para.3Para.4Para.5

B)Theformation

oftheuniverseC)Theformation

oftheearthA)Theimportanceofwater

forlifeE)

ThedevelopmentofplantsandanimalsD)

Thearrivalofhumans

andtheireffectsontheearthPart1:TheconditionsfortheexistenceoftheearthPart2:Thedevelopmentoflife.

Task1Fastreading(2)CarefulReadingTobehonest,noneofusknowshowtheearthbeganbecauseithappenedtoolongago.TrueJudgeTrueorFalsePara.1TheuniversebeganwithaBigBang.Para.1TheBigBangFirstofall,itthrew_____inall_________.Afterthat,______begantoformThen,atomscombinedtocreate_____and___________.matterdirectionsatomsstarsotherbodiesacloudof_____BigBangasolid_______slowlycombinetheearth______downitexplodedloudlywith_____and_____theearth’s___________dustglobefirerockatmospherecooledHowdidtheearthcomeintobeing(產(chǎn)生）?Para.2Whyisitimportanttohavewaterontheearth?Waterallowedtheearthtodissolve__________gasesandacidsintotheoceansandseas,producinga_______________.harmfulchainreactionPara.3Part2(4~5)Thedevelopmentoflife1.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)LookatthepicturesandtellthegroupsPara.41.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)1.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)1.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)1.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)1.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)1.insects2.plants3.reptiles（爬行類）4.shellfish（貝類）5.fish6.amphibians（兩棲類）7.mammals(哺乳類)Humanbeings1.insectsandamphibiansappear2.reptilesappear3.shellfishandotherfishappear4.dinosaursappear5.extremelysmallplantsgrowonthewater

6.greenplantsbegintogrowonland7.Mammals(includinghumans)appearPuttheminacorrectorder!5361247thecleverestanimalsCO2Describethepicture:Whatarehumansdoingontheearth?

.3.___________maybecometoo_____to________.carbondioxidetheatmosphereheatescapingfromtheearthintospaceTheearthhotliveon1.Put_____________into_________2.Prevent______from__________________________Wehaveonlyoneearth!Weshouldtakecareoftheearth!

Post-readingAsahighschoolstudent,whatlittlethingscanwedofortheearth?

Onlyifwecarewillwehelp,only