m3u2公开课教案教学设计课件资料.pptxVIP

ByElina8BM3U2Wehavenotfoundlifeonanyotherplanetsyet.

Whatdoesthevideotalkabout?Solarsystem.

Whatcomestoyourmindwhenwetalkaboutthesolarsystem?astronaut/??str?n??t/spaceship/?spe?s??p/satellite/?s?t?la?t/__________cometomymindwhenwetalkaboutthesolarsystem.AstronautsSpaceshipsSatellitesAliensalien/?e?li?n/

1.Therewaslifeontheearthathousandyearsago.2.Wedidn’tfindanylifeonanyotherplanets.3.Wewon’tfindanylifeonanyotherplanets.Readpara.1andcheckTorF.ReadingTFT

ReadPara.2andanswer.1.What’ssolarsystem?2.Howmanyplanetsandstarsarethereinthesolarsystem?Eightplanetsandastar.行星恒星Thesunanditsplanetsarecalledthesolarsystem.

[m??kj?ri]Mercury水星[vi?n?s]Venus金星Earth[mɑ?z]Mars火星?[d?u?p?t?(r)]Jupiter木星[s?t??n]Saturn土星[j??r?n?s]Uranus天王星[neptju?n]Neptune海王星thesolarsystem

ReadPara.2andanswer.3.Whydon’tscientiststhinktheywillfindlifeonsevenotherplanets?Noneofthemhasanenvironmentlikethatofthepertemperaturefreshaircleanwater...

Putthewordsandexpressionsfromthesmallesttothelargest:_____________A.theGalaxyB.planetC.solarsystemD.starE.universeBDCAEReadPara.2-3andfillintheblank.

theGalaxyplanetsolarsystemstaruniverse

HowmanystarsarethereintheGalaxy?Howmanygalaxiesarethereintheuniverse?Howlargeistheuniverse?theMilkyWay/theGalaxyYouarehere!ReadPara.2-3andanswer.Itsimpossibletoimagine.galaxies

1.TherearebillionsofstarsintheGalaxy,andoursunisonlyoneofthem.2.Scientistshavealsodiscoveredmanyothergalaxiesintheuniverse.Theyareveryfarawayandlighthastotravelformanyyearstoreachus.ReadPara.2-3andfindoutsomesentencesthatshowtheuniverseislarge.

ReadPara.4andanswer.WhatcanwelearnfromParagraph4?A.ScientistshaveknownnothingaboutMars.B.Scientistshasstoppedexploring(探索)o