1、Listening and WritingWhere do we go from here?Keep the noise downYouve got itGo aheadIt is your turnEveryday English conversationNumbersMetalsEquipmentListeningAim:To find out if there is a zx 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 _it.Nex
3、t,_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 crucibleputinbalanceweighheatLightholdweighmoreThere is a change in weight when Mg burns in air.B FA GCEDsqueeze pou
4、rin a containerdipwriteblowtolight/turn onheatappearWriting:Experimental ReportAim:to write a secret messageApparatus:Method:FirstThenNextAfter thatFinallyResult:zx xkConclusion:Lemon juice can react with oxygen and produce brown oxide.What have you learnt from this lesson?Homework:Preview the grammar part in this moduleNumbers555,555,555,555zx xk3/4 is the same as_1/3 is the same as_What is 10%of 800,000,000?MetalsK CaNaZnMgAlAgFeCuEquipment