1、Module 5 A Lesson in a LabA Simple Scientific Experiment临清市实验高级中学刘庆利To know some metals and their reactions with some substancesTo learn how to do an experiment To be able to retell the main points in the text To build up the love for scienceWhat was it made of?potassium sodiumcalciummagnesiumalumin
2、iumzincironcopper1.The Different Uses of Metals 2.The Reaction of Metals 3.The Reaction of Metals with OxygenChoose the best title for Passage A.Read Passage A again and answer the questions1.Which metals react the most with oxygen and water?2.What happens when you heat calcium in oxygen?3.Which met
3、als react with steam?4.Does iron have a slow or fast reaction with steam?5.Does copper react with water?Potassium,sodium and Potassium,sodium and calsium.calsium.It burns to form an oxide.It burns to form an oxide.Magnesium,aluminium,and zinc.Magnesium,aluminium,and zinc.Slow.Slow.No,it doesnt.No,it
4、 doesnt.Do you think it is scientificto make Goujian Sword by using copperAfter learning Passage AWhat can we learn from Passage A?It is very important to know_.It is very useful in our daily life.metals can react with different substanceshowlabHow many stages are there in a scientific experiment re
5、portPassage BIron in dry airIron in air-free waterIron in ordinary waterUse of cotton wool_Use of oil_Why it rusts_cotton woolnails _ordinary waterrusty nailsoilwaterKeep the nails dry Keep air out of the waterAir in the waternailsConclusionIron rusts in_.Iron doesnt rust in _and_ordinary waterdry a
6、irair-free water.half-fill with.boil put inadd to leave resultObserve the following experiment carefully and then write down an experiment reportAim ApparatusMethodResultConclusiontoto find out if potassium reacts with cold find out if potassium reacts with cold waterwater.aa container,cold containe
7、r,cold water,potassium,water,potassium,filter paperfilter paper（滤纸（滤纸),a pair of tweezers(),a pair of tweezers(镊子）镊子）(1)Half-fill1)Half-fill the container with cold the container with cold water.water.(2)Take a piece of potassium out of the (2)Take a piece of potassium out of the oil.oil.(3)Dry the
8、potasium with the paper.(3)Dry the potasium with the paper.(4)Put the potassium into the water.(4)Put the potassium into the water.TheThe potassium burns.potassium burns.PotassiumPotassium reacts with cold water.reacts with cold water.An Experimennt ReportSum up How can you do a scientific experimen
9、t successfully?First,we need to have an_ and prepare _ for the experiment before we do the experiment.Second,we must use correct_to do the experiment and watch carefully.Then we can get the_and draw a_.aimapparatusmethodsresultconclusionDesign a simple experiment about metal in groups of fiveHomework
