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Unit4
Astronomy:
thescienceofthestars;HowLifeBeganontheEarth;Science
Subjects;Astronomyisthescientificstudyoftheuniverseandtheheavenbodies(suchasthesun,themoon,andstars),gas,anddustwithinit.;TheBigBang;TheSolarsystem;;WaterAirLife
;Acloudofdust
Combineintoasolidball
Explode…withfirerock
(produceH2O,CO2,O2,N2,othergases);Thedevelopmentoflife;Acloudofdust→asolidball→presenceofwater→onthewater→shellfishotherfish →plantsbegintogrowondryland→insectsandamphibiansappear→retilesappear→dinosaursappear→mammalsappear;Goodmorning/afternoon,IamDr….I’mgreatlyhonoredtobeheretogiveyouaspeechaboutthedevelopmentoflife.…;Whatproblemshavebeencausedbyhumanstotheearth?;Howtoprotecttheearthandmakeitabetterplacetoliveon?;DesignanactivityonEarthDay;Homework
SearchtheInternetfortheinformationofthedevelopmentoflife.
2.Readandlearngoodwords,phrasesorstructuresfromReading.;Period2
UsingLanguage
ReadingTask;thenaturalforcethatcausesanobjecttomovetowardthecentreoftheearth.;IsaacNewton;
Iheardabouthowthreemenmademistakeswhentheytriedtodescribegravity.
Iheardabouthowthreemenwantedtofindoutaboutthebeginningoftheuniverse.
Iheardabouthowtheideaofgravityhasdevelopedoveralongperiodoftime.
Iheardaboutthreescientistsandtheirwork.;;Avisittothemoon;Onthemoon;LastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceofg_____wouldchangethreetimesonourjourney.Thenwetookoff.Aswelefttheearth,Ibecameveryh_______.Graduallytheweightl_______.WhenIwasinspace,itd__________.Wef_______weightlesslyinthecabinandIc________.WhenIwasonthemoon,Iwassurprisedtofindoutevenwalkingneedsl
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