readingandVocabulary (2)

《readingandVocabulary (2)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit5ThelessoninalabReadingandVocabulary高一外研版必修一Whatapparatusdoweseeinalab?Lookatthepicturescollectedbyourclassmates.Doyouknowthenameoftheseequipment？testtubetongsbalancecrucibleBunsenburnerbeaker&glassrodSinceyouareinterestedindoingscientificexperiment

2、s,nowlet’sgettoknowsomevocabularyandknowledgerelatedtoscienceandexperiment.Potassium（钾）Whatcanitbeusedfor?Howaboutthefollowingmetals?Sodium(钠)Calcium(钙)Magnesium(镁)Let’sgettoknowmore!Let’sgoongettingtoknowmoremetalsAluminium（铝）Zinc（锌）Iron（铁）Copper（铜）⒈Do

3、youwanttoknowmoreaboutthesemetals?⒉Anddoyouknowhowwecanusethesemetalsbetter?Well,thisiswhatwe’llstudyverysoon.Now,let’scometoseehowthesemetalsreactwithothersubstances.AtfirstpleasereadthroughthepassageAwiththetapeofitveryquicklyandtrytocatchitsmainidea.

4、ThenfinishActivity2onpage44andgiveyourreasons.Thereactionofmetalswithoxygen.WhatisthepassageAabout?Thedifferentusesofmetals.Thereactionofmetals.PutthefollowingmetalsintherightorderaccordingtoPassageA.5----2----7----4----6----1----31.zinc2.sodium3.copper

5、4.magnesium5.potassium6.aluminium7.calciumDecidewhetherthesestatementsaretrueorfalseaccordingtoPassageA.1.Differentmetalshavedifferentuses.2.Thereactionofmetalswithdifferentsubstancesisthesame.3.Magnesiumcanformanoxidewhenheatedinoxygen.4.Ironreactswith

6、coldwater.5.Copperreactsmostwhenheatedinoxygen.TFTFFPleasereadpassageAverycarefullytofindouttheanswerstothefollowingquestions⒈Whichofthemetalsinthetablesreactsthemostwithoxygenandwater?_____________________________⒉WhathappenswhenyouheatcalciumInoxygen?

7、_______________________Potassium,calciumandsodium.Itburnstoformanoxide.3.Whichmetalsreactwithsteam?______________________________⒋Doesironhaveasloworfastreactionwithsteam?____________________⒌Doescopperreactwithwater?______________Magnesium,aluminiumand

8、zinc.Ithasaslowreaction.No,itdoesn’t.FrompassageAwecansee:howinterestingtheexperimentaboutthereactionofmetalsis!Butdoyouknow:Howwecancarryoutachemicalexperimentinalabsuccessfully?Andwhatisthecorrectordertodescribeascientificexper