ListeningandWriting…Wheredowegofromhere?…Keepthenoisedown……You’vegotit……Goahead……Itisyourturn…EverydayEnglishconversationNumbersMetalsEquipmentListeningAim:Tofindoutifthereisachangeinweightwhenthemetalmagnesiumburnsinair.Canyoupredicttheresult?ListeningListentotheconversationandanswerthequestions1.Wasyourpredictioncorrect?2.Howmuchmore/lessdoesitweighthanbefore?1.5grammoreAim:tofindoutifthereisachangeinweightwhenmagnesiumburnsintheair.Apparatus:Method:First,_____themagnesium___thecrucible.Then,putthecrucibleonthe_____and_____it.Next,_____themagnesium.______theBunsenburner.Afterthat,_____thecrucibleoverit.Finally,______themagnesiumagain.Result:Itweighsalittle_____thanbefore.Conclusion:Magnesium,Bunsenburner,abalance,acrucibleputinbalanceweighheatLightholdweighmoreThereisachangeinweightwhenMgburnsinair.BFAGCEDsqueeze…pour…inacontainerdip…write…blow…to…light/turnon…heat……appearWriting:ExperimentalReportAim:towriteasecretmessageApparatus:Method:First…Then…Next…Afterthat…Finally…Result:Conclusion:Lemonjuicecanreactwithoxygenandproducebrownoxide.Whathaveyoulearntfromthislesson?Homework:PreviewthegrammarpartinthismoduleNumbers555,555,555,5553/4isthesameas_______1/3isthesameas_______Whatis10%of800,000,000?MetalsKCaNaZnMgAlAgFeCuEquipment
