ReadingOurEarth.ppt

Learningobjectives Learnsomethingaboutthesolarsystem especiallytheearth Learnsomephrasesaboutenvironmentpollution GettoknowhowtoexpressideasonenvironmentprotectioninEnglish Enjoyavideo Theearthandasquirrel Thisvideotellsushow cameintobeinglonglongago thecontinentsandoceans Lead in Whatdoyouknowabouttheearth Pre reading bluewhitebrightroundhuge Q1 Completetheshortparagraphwithproperwords WhatdoesEarthlooklike ThisphotoshowswhatEarthlookslikefromaspaceship Ifyouwereonthespaceship you dseeahuge and ball blue white Thebluepartsarethe thatareonEarthandthewhitepartsare Thecloudsarepartof atmosphere 大气 Earthisnotperfectly Thepartswecall top and bottom arealittle Wecallthetoppartthe Poleandthebottompartthe Pole Earthisjusttherightdistancefromthesun It snottoo ortoo That swhypeopleandotherthingscanliveon Earthistheonlyplanetweknowofthathas oceans clouds round flat North South cold hot Earth life Earth s Q2 1 Howmanyplanetsthatcirclethesuninoursolarsystem 2 Whataretheirnames 3 Whatistheirorderfromthesun 水星金星地球火星木星土星天王星海王星 Earth Jupiter Mars Mercury Neptune Saturn Uranus Venus Thesolarsystem DwarfPlanet Skimandrearrangethefollowingphrases 1 Comparisonbetweenthelandandtheearth2 Thebiosphere 生物圈 3 Thesizeandshapeoftheearth4 Theformationoftheearth5 Theatmosphereoftheearth6 Waterontheearth ssurface7 Comparisonbetweenthehighestmountainandtheearth Thecorrectorderis 1 2 3 4 5 6 7 While reading ScanandChoosethebestanswer 1 Manyscientistsbelievetheearthwasformedfrom A thegasinspaceB acloudinspaceC avastcloudofdustandgasinouterspaceD dustandgasinspace2 Theearthisaballof A rockandwaterB rockandironC rockandsandD sandandwater C B 3 Itmaytakeyou toclimbMountEverest whichisalittle than5 5milesabovesealevel A months lessB months moreC weeks moreD weeks less4 Muchofthelandontheearthiscoveredwith A sandorsoilB waterC forestD rock C A 5 Thebiosphererefersto A gas waterandsoilB anyregionontheearthC alllivingthingsD theregionfromthebottomoftheseatothetopofthethickestpartoftheatmosphere D Write T ifthestatementistrue F ifitisfalse or N ifitisnotmentionedinthetext 1 Thesunwasformedlongbeforetheearth 2 Faroutinspace youcanclearlyseetheflatteningandswellingoftheearth 3 AlthoughMountEverestisthetallestmountainontheearth itcannotbeseenfromspace N F Theflatteningandswellingaretoosmalltosee F inarocketnearthemoon 4 ApartfromthehugecontinentofAsia youcanseeAfricaandAmericainarocketnearthemoon 5 Watercanalsobefoundinotherplanets butnotinliquidform 6 Theearthissurroundedbytheatmospherewhichpeople animals andplantsneedtolive N N T Fillintheblankswiththeinformationfromthepassage Theearthisthe planetfromthesun Manyscientistsbelievethatitwas atleastfivebillionyearsago Itisaballofrockandironwitha ofalittlemorethan7 900miles Itisslightly attheNorthandSouthPolesandit attheequator Nearly3 4ofitssurfaceiscoveredwith Almostallofthiswatermakesupthe third formed diameter flattened swells water oceans 1 4ofits island Sandor coversmuchofit About1 5oftheland Antarcticaandsomeotherplaces isalwayscoveredby Theverythincoveringsofair soiland formthebiosphere Alllivingthingsexistwithinthis surface soil including ice water region Fillinthechartwiththerelatedinformationinthetext Thediameteroftheearthisalittlemorethan7 900miles MountEverestrisesalittlemorethan5 5milesabovethesealevel Nearly71 oftheearth ssurfaceiscoveredwithwater Theaveragedepthoftheoceansis2miles One fourthoftheearth ssurfaceisland Thepartofthesoilinwhichcropsgrowisrarelymorethan20inchesdeep Aboutone fifthofthelandisalwayscoveredbyice Theearthisthethirdplanetfromthesun Manyscientistsbelievethattheearth aswellasthesunandtheotherplanetsinoursolarsystem wasformedatleastfivebillionyearsago Post readingDiscussion Watchavideoanddiscusswhatishappeningtoourearth Howdoyouunderstandthetopicsentence Theearthwasnotgiventoyoubyyourparentsbutlenttoyoubyyourchildren Waterpollution Trash Garbage AirPollution Deforestation Desertification Starvation Whatwillyoudotoprotecttheenvironment Reducewaste energyuse Userecycledmaterials Savewater Nodisposablechopsticks Freetalk Earthsummit EarthDay onlyifweundersta