已阅读5页,还剩4页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
BASEDONTHEASKWANTTODOASSESSMENTMODEOFTEACHINGHIGHSCHOOLCHEMISTRYCLASSROOMCASESTUDIESOFEFFECTIVETEACHINGABSTRACTQ,THINK,DO,ASSESSMENTATDEFOURSTEPTRAINING,TODEVELOPSTUDENTSTHINKINGSKILLS,INCLUDINGQISTHECENTER,ASKEDTOPROMOTETHOUGHT,TOMAKECARDSTOORDERASSESSMENTDOKEYWORDSHIGHSCHOOLCHEMISTRYCLASSROOMTEACHING,EFFECTIVETEACHING,WECANDESIGNINTOFOURCHEMICALCLASSESTEACHINGFIRST,ASKBESURETOSETTHEPROBLEMWITHTHEBACKGROUNDKNOWLEDGEOFSTUDENTS,PAYATTENTIONTOTHEDIFFICULTYOFTHEPROBLEM,TOODIFFICULTORTOOEASYPROBLEMSWILLINHIBITTHESTUDENTSTHINKING,BUTALSOPAYATTENTIONTO1ISSUECLEARANDSPECIFICANDCOVERSSHOULDNOTBETOOLARGE2STRUCTURED,CLEARANDLOGICALRELATIONS3STEPBYSTEP,WITHAREASONABLEGRADIENT4TOSEIZETHEKEY,HIGHLIGHTTHEIMPORTANTANDDIFFICULT5FAVORABLEFEEDBACK,FACILITATEDYNAMICCONTROL6BOTHSCIENTIFICANDSYSTEMATICCASE1CONCENTRATEDSULFURICACIDANDTHEREDHOTCHARCOALTESTOFREACTIONPRODUCTSCASESTUDYIFTHESTARTTHEQUESTIONHOWTODESIGNEXPERIMENTSTOVERIFYTHATALLTHEPRODUCTISTOODIFFICULT,WILLLEADTOSTUDENTSTHINKINGCANNOTCONTINUEINDEPTH,ASWILLBREAKTHEBIGPROBLEMINTOSEVERALSUBPROBLEMSEASIERTOSOLVETHESTUDENTS,SOTHATTHESTUDENTSCANBEIMPLEMENTEDPROGRESSIVELY,OUTSIDETOTHEINSIDE,EVERYLEVELTOPROMOTETHEINITIATIVETOEXPLORE,COMPLETEEXPERIMENTALPROGRAMDESIGNEDTOENABLESTUDENTSTOFULLYEXPERIENCETHEJOYOFSUCCESS,THEDESIRETOSTIMULATESTUDENTSTOACTIVELYEXPLOREPROGRESSIVESETOFDESIGNISSUESTOTALOFTHEREACTIONPRODUCTSWHICHARESEVERALWHATEACHOFTHESEPRODUCTSANDDEVICESTOTESTREAGENTSCANCLARIFYMUDDYLIMEELECTIONOFCO2MUSTDOHOWTOREMOVECO2INSO2HOWTOTESTWHETHERSO2DIVISIBLESO2ANDCO2TESTREAGENTSUSEDININCLUSIVEOFWATER,SOWATERVAPORREACTIONPRODUCTSSHOULDBEPLACEDONTHETESTWHICHSTEPPLEASETHINKABOUTTHEENTIREPACKAGETHEORDERANDREASONSFORTHECONNECTIONPROBLEMSCANGENERALLYBESETBYTHEFOLLOWINGBASICWAYSTOACHIEVE1ISSUEOFTHEUSEOFCHEMICALHISTORICALSETTINGCASE2THENATUREOFCHLORINETHECREATIONOFSITUATIONSSCHELERISTHEFAMOUSSWEDISHCHEMIST,INHIS1774STUDYOFMANGANESEORE,THEYCANPUTATOTALOFCONCENTRATEDHYDROCHLORICACIDMIXEDWITHHOTACCIDENTALLYFOUNDAYELLOWGREENGAS,HEWILLHAVEASTRONGPUNGENTODOROFTHISGASESPASSINTOTHEWATER,FOUNDFROMTHESOLUTIONWASYELLOWGREEN,SLIGHTLYACIDIC,THEGREENLEAVES,REDFLOWERSINTOWHICHTHEYGRADUALLYFADETHECOLOR,THEGRASSHOPPERSINTOTHECONTAINERFILLEDWITHTHEGAS,THEGRASSHOPPERSJUMPHIMSELFWITHAFEWNOTMOVEUNDERQUESTIONSWHATISTHISYELLOWGREENGASISTHEMATERIALITSHOWSACIDICAQUEOUSWHYWHYTHELEAVESANDFLOWERSCANFADETHISSHOWSTHATITHASWHATNATUREGRASSHOPPERSDEATHANDSHOW2BASEDONTHEPRACTICALAPPLICATIONOFCHEMISTRYLEADSTOPROBLEMSCHEMISTRYANDPRODUCTIONOFLIFEITSELFAREINEXTRICABLYLINKED,WECANUSENATURALPHENOMENA,SOCIALLIFE,INDUSTRIALANDAGRICULTURALPRODUCTIONOFTHEACTUALCREATIONOFREAL,SPECIFIC,SENSEOFTHEPROBLEMSCENARIO,LETTHEMTHINKABOUTTHEIROWNTOGETTHROUGHTHEREALPERCEPTUAL,ANDTHROUGHABSTRACTTHINKINGTHEMUPTORATIONALKNOWLEDGECASE3THERMITEREACTIONTHECREATIONOFSITUATIONSFIRST,PUTTHEVIDEOSECTIONOFFIELDWELDINGRAILQUESTIONSRAILROADWORKERSWELDINGRAILSINTHEVIDEOISINTHEFIELD,ITISIMPOSSIBLETOUSEWELDING,SOLDERINGITWHAT3THEUSEOFTHELINKBETWEENTHEOLDANDNEWKNOWLEDGEORCOGNITIVECONFLICTDESIGNPROBLEMSTUDENTSSOLVEPROBLEMSBASEDONCERTAINKNOWLEDGEBASED,INTEACHINGDESIGNLEVELPROBLEMS,THECREATIONOFASITUATION,THEOLDANDNEWKNOWLEDGEASANEWGROWTHPOINTCONCEPT,ORTOENABLESTUDENTSTOEXISTINGKNOWLEDGEANDNEWKNOWLEDGETHATASTRONGCONFLICT,SOTHATSTUDENTSAWARENESSOFTHEINTENSIFICATIONOFCONFLICTS,RESULTINGINFURTHERMOTIVATIONTOLEARNCASE4FIREWORKSTHECREATIONOFSITUATIONSTOIGNITETHEMAGNESIUMINTOTHESETCONTAININGTHECO2CYLINDERINSIDEQUESTIONSMAGNESIUMFIRE,ITCANFIREWITHFOAMSHOULDBEUSEDFORCANUSECCL44EXPERIMENTALPHENOMENACREATEPROBLEMSBYCHEMICALCHEMISTRYISALABORATORYBASEDDISCIPLINES,COMBINEDWITHTHETEACHINGCONTENT,BYEXPERIMENT,WILLBEABLETOSETTHEQUESTIONSTOSTIMULATESTUDENTSINTERESTANDSTRONGDESIRETOEXPLOREKNOWLEDGELINKSTOFREEDOWNLOADHTTP/ENGHI138COMCASE5PROPERTIESOFALUMINUMTHECREATIONOFSITUATIONSTHEAMOUNTOFNAOHSOLUTIONINTOACO2ALUMINUMCANSINFULL,IMMEDIATELYSEALEDANDSHAKEN,CANSFIRSTCHANGEDEFLATED,ANDTHENCAMEUPBULGINGQUESTIONWHYCANSBECOMEDEFLATEDANDBECOMETHEFIRSTDRUMTHISPHENOMENONREVEALSTHEPROBLEM5THEUSEOFHISTORICALDOCUMENTSINTHERECORDTOINTRODUCETHEPROBLEMMANYOFCHINASHISTORICALDOCUMENTSRELATEDTOTHEPHENOMENONOFCHEMICALREACTIONSANDTHEIRRECORDSCANBEUSEDTOCREATESUSPENSE,THEINTRODUCTIONOFTHEPROBLEMCASE6ACETYLENETHECREATIONOFSITUATIONSINANCIENTBOOKSHAVESUCHARECORDDEVICEINPLACEAFEWPIECESOFSTONE,THENDRIPPINGGAS,THEPOINTOFTHEFUELQUESTIONTHEBOOKISWRITTEN,THESTONEEXACTLYWHYWATERISGASTHEPRODUCTIONOFGASANDWHYTHINGSWHYCANBURNSECOND,THINKTHINKINGTOGIVESTUDENTSTHESPACEOFIMAGINATION,DIVERGENTTHINKINGTOGUIDESTUDENTSTOUSEFREEASSOCIATION1THECREATIONOFIMAGINEDSITUATIONS,ANALOGTRIGGERASSOCIATIONCASE7ATOMICSTRUCTURETHECREATIONOFSITUATIONSTHEPOSITIVELYCHARGEDNUCLEIANDNEGATIVELYCHARGEDELECTRONSATTRACTEACHOTHER,ELECTRONSWILLNOTFALLINTOTHENUCLEUS,THEOCCURRENCEOFELECTRICALANDINEXAMPLELINKGIVEARTIFICIALEARTHSATELLITESORBITINGTHEEARTHMOVEMENTWITHOUTFALLINGEXAMPLE,TOENABLESTUDENTSTOTHINKOFANALOGY,IMAGINETHEDYNAMICSTRUCTUREOFATOMS2INSPIREDBYASSOCIATIVETHINKING,TOIMPROVETHEKNOWLEDGESTRUCTUREASSOCIATIVETHINKINGISTHEONETHINGTOTHINKABOUTSOMETHINGTHEYTHOUGHTPROCESSESLENOVOTOMAKEOPENMINDED,SOTHATKNOWLEDGEANDSYSTEMATIC,PRINCIPLED,PERFECTCASE8SULFURANDITSCOMPOUNDS,THEREVIEWLEGENDH2SCANNOTBEDRIEDWITHCONCENTRATEDSULFURICACIDWITHCONCENTRATEDSULFURICACIDCANNOTCANBEUSEDDRYGASANDDRYGASCONCENTRATEDSULFURICACIDTHIRD,DOORGANIZESTUDENTSTOAVARIETYOFEFFECTIVEPRACTICESFORSTUDENTSINLEARNINGTODO,DOING,DOINGTHEMEETING,PROPOSEDINWU,FROMPRACTICETOSEEKWAYSANDMEANSTOSOLVETHEPROBLEMCASE9THEORIGINALCELLACTIVITIESDESIGNEDTOSTUDENTSMAKEEXPERIMENTSQUESTIONSEXPERIMENTALVALIDATIONHYPOTHESISCONCLUSIONCOMMUNICATIONANALYSISAPPLICATIONSSTUDENTACTIVITIESTHECOPPERANDZINCWEREIMMERSEDINSULFURICACID,THEOBSERVEDPHENOMENA,ANDTHENPOLISHEDCOPPERANDZINCWIRESCONNECTEDWITHTHEPOST,WITHIMMERSIONINSULFURICACID,ANDCOMPARETHEOBSERVEDEXPERIMENTALPHENOMENATHECONCLUSIONSTHEACIDDIDNOTREACTWITHCOPPER,THETRANSFEROFELECTRONSFROMZINCTOCOPPER,THEREACTIONOFZINCANDSULFURICACIDISSTILLSUBSTANTIALREPLACEMENTREACTION,THEDEVICECHEMICALENERGYINTOELECTRICALENERGYAPPLICATIONSEXCHANGETHEFORMATIONCONDITIONSOFPRIMARYCELLS,THEELECTROD
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2024年直播电商项目资金需求报告代可行性研究报告
- 《团队管理》第三版 课件 6模块1 团队精神内涵
- 2024-2030中国SiC基模块及分立器件市场现状研究分析与发展前景预测报告
- 地下室防水工程施工施工准备与资源配置计划
- 墩柱施工施工管理及作业人员配备和工
- 轻量化铸件生产项目商业投资计划书
- 建筑科技产业园项目建筑工程分析报告
- 《商业文化与素养》教案 3第三周认知商业文化3
- 日用塑料制品制造项目投资测算分析报告
- 在线网课学习智慧知道诊断学山盟-滨医单元测试考核答案
- 石油钻井典型事故案例(钻井课件培训资料)
- 常见微生物地界、门、纲、目、科、属、种中英文对照
- 钢结构焊接、螺栓连接计算及实例
- 公路隧道液压台车衬砌施工工艺工法
- 数独题目高级50题(后附答案)
- 电动绞车传动装置的设计
- 理解句子含义常见题型ppt课件
- 弯沉统计、温度修正系数(公式)
- 小学五年级英语双向细目表(共1页)
- 深圳义务教育学校设备设施配置标准
评论
0/150
提交评论