ListeningandWriting…Wheredowegofromhere
…Keepthenoisedown……You’vegotit……Goahead……Itisyourturn…EverydayEnglishconversationNumbersMetalsEquipmentListeningAim:Tofindoutifthereisachangeinweightwhenthemetalmagnesiumburnsinair
Canyoupredicttheresult
ListeningListentotheconversationandanswerthequestions1
Wasyourpredictioncorrect
Howmuchmore/lessdoesitweighthanbefore
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,acrucibleputinbalanceweighheatLightholdweighmoreThereisachangeinweightwhenM