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1、Listening and WritingWhere do we go from here?Keep the noise downYouve got itGo aheadIt is your turnEveryday English conversationNumbers Metals EquipmentListeningAim: To find out if there is a xkchange in weight when the metal magnesium burns in air.Can you predict the result?ListeningListen to the
2、conversation and answer the questions1.Was your prediction correct?2.How much more/less does it weigh than before? 1.5 gram moreAim: to find out if there is a change in weight when magnesium burns in the air.Apparatus:Method: First, _the magnesium _the crucible. Then, put the crucible on the _ and _
3、it. Next, _themagnesium._ the Bunsen burner . After that, _the crucible over it. Finally, _the magnesium again.Result: It weighs a little _than before.Conclusion: Magnesium, Bunsen burner, a balance, a crucible putinbalance weighheatLight hold weighmore There is a change in weight when Mg burns in a
4、ir.B FA GCEDsqueeze pourin a containerdipwriteblowtolight /turn onheatappearWriting:Experimental ReportAim: to write a secret messageApparatus:Method: FirstThenNextAfter thatFinallyResult:Conclusion: Lemon juice can react with oxygen and produce brown oxide . What have you learnt from this lesson?Homework:Preview the grammar part in this moduleNumbers555,555,555,5553/4 is the same as_1/3 is the same as_What is 10% of 800,000,000?MetalsK CaNaZnMgAl AgFeCuEquipment