微课作业ALessonintheLab琼山中学陈帝来91950.ppt

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1、ALessoninaLabCompetition12Revision复习MatchTask1:Putthesewordsintothreegroupsairglassironmetaloiloxygensaltsteamsteelwater1Gas:steam_____________2Solid:__________________________________3Liquid:__________________airoxygenwaterglassironmetalsaltsteeloil2pota

2、ssiumsodiumcalciummagnesiumaluminiumzincironcopperTask2:MatchnamesofmetalstopicturesReadingandVocabulary阅读与词汇2413Thestagesofascientificexperimentconclusionaimresultmethod目标方法结果结论aimmethodresultconclusionItisapieceofelectricalequipment.电力/电器设备Metals金属Heate

3、dinoxygenReactionwithwaterorsteamPotassium钾BurntoformanoxideReactingwithcoldwaterSodium钠Calcium钙Magnesium镁ReactingwithsteamAluminium铝Zinc锌Iron铁ReactsslowlyPartialreactionCopper铜PartialreactionNoreaction*anoxide=anothersubstance+oxygenReadthepassageandchoo

4、sethebesttitleforit.PassageATheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenReadthepassageagainandanswerthefollowingquestions:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,sodiumandcalcium.2.Whathappenswheny

5、ouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.CompletethepassagewithproperwordsaccordingtopassageA.Me

6、talsareveryimportant,sowhenusingthemweshouldknowhowthey_____withdifferentsubstances.Takeironusedin________equipmentforexample,when______inoxygen,itwillreactslowly.Whenitisputtogetherwithwateror_____,therewillbeapartial________.reactionreactelectricalheate

7、dsteamPassageBASimpleScientificExperimentASimpleScientificExperiment1.__________:_______________________2.__________:3.__________:(1)…(2)…(3)……4.__________:…5.__________:…aimmethodresultconclusionapparatus3cleanironnails;testtubes;testtubeholder;cottonwoo

8、l;oil;BunsenburnerTask2Fast-readingTask1:PutthestagesinthecorrectorderTofindoutifironrusts(a)…(b)…(c)…cottonwoolnailswaterwaterwaterThenailshaven’trusted.Thenailsdonotrust.Thenailsrust.Irondoesn’trustindryair.Irondo