《Air》PPT

10AirThisisourhome.WeliveonEarth.Therearemanynaturalelementsaroundus.Wecannotlivewithoutthem.Theyareeverywherearoundus.naturalelementsAiris…Airhas…Weneedairto…Wecan…withair.Whatdoyouknowaboutair?Airhasnosmell.Airhasnotaste.Airhasnocolour.Airhasnoshape.Whenthewindblows,wecanfeelit.Weneedairtobreathe.Weneedairtosurvive.Whenwebreatheit,Itkeepsusalive.Doesairhavetasteorsmell?No.Ituseshotair.Howdoesaballoonliftpeopleup?Howdokitesandplanesstayinthesky?Theyrideonair.Whatisit?Doesithaveanycolourortaste?Canyouseeorfeelit?Whatisit?Doesithaveanycolourortaste?Canyouseeorfeelit?Itisair.No,itdoesn’t.Icannotseeit,butIcanfeelit.Ithasno______or_______.Ithasno_______or_______.Wecannot____it,butwecan____it.colourshapesmelltasteseefeelWhyisitimportant?Weallneedittokeepusalive.Itis__________.Itisimportanttoall______.Itisalsoimportantto______and_____.Weallneedittokeepus_____.everywherepeopleanimalsplantsaliveWhatotherthingsneedair?Kites,hot-airballoons,planesandbirds.Lookatthe_____andthe______.Lookatthe_____andthe_____.Theyallneedittoo.Itkeepsthem_____inthesky.kiteballoonplanebirdhighItkeepsthemhighinthesky.Itisair.Ithasnocolourorshape.Ithasnosmellortaste.Wecannotseeit,butwecanfeelit.Itiseverywhere.Itisimportanttoallpeople.Itisalsoimportanttoanimalsandplants.Weallneedittokeepusalive.Lookatthekiteandtheballoon.Lookattheplaneandthebird.Theyallneedittoo.Itkeepsthemhighinthesky.parachuteHowtomakeaparachute?Whatdoweneed?apieceofclothastringasmalltoyTakeapieceofcloth.Tieapieceofstringtoeachcorner.Bringthefourpiecesofstringtogetherandtiethemtoasmalltoy.Throwthetoyupintheair.Whathappens?Howtomakeaparachute?1.Theparachutefallsdownquickly/slowly.2.Theparachuteisopen/closed.3.Theparachutehitsthegroundgently/heavily.4.Thereisair/waterintheparachute.Thetoymovesslowlyintheair.1.ListentoandreadStudent’sBookpages68and72.2.Recitetheriddlein“Listenandsay”onStudent’sBookpage68.3.Makeatoyparachute.4.FinishWorkbookpages56and58.