《熔點的測定》學(xué)習(xí)導(dǎo)航一、學(xué)習(xí)要求能力（技能目標(biāo)）知識目標(biāo)1.能用提勒管式熱浴法測定樣品熔點2.能用雙浴式熱浴法測定樣品熔點1.理解熔點和熔距的區(qū)別2.熟悉熔點測定過程中樣品的變化現(xiàn)象3.理解影響熔點測定結(jié)果的因素二、學(xué)習(xí)內(nèi)容知識點學(xué)習(xí)內(nèi)容自我問答熔點概念及測定意義觀看微課-熔點概念及測定方法；查閱知識要點；下載圖片查看測定裝置什么是熔點和熔距熔點與物質(zhì)結(jié)構(gòu)有什么關(guān)系，熔點測定的意義是什么？雙浴式熱浴法測定熔點觀看動畫-測定熔點時樣品的變化過程；觀看視頻-毛細(xì)管的封口；觀看視頻-熔點測定時樣品的制備；觀看視頻-雙浴式熱浴測定熔點時裝置搭建如何判斷熔點？雙浴式熱浴法測定熔點裝置搭建有什么要求？提勒管式熱浴法測定熔點觀看微課-提勒管式熱浴法測定苯甲酸熔點；觀看視頻-提勒管法測定熔點實驗裝置搭建；觀看視頻-提勒管法測定苯甲酸熔點實驗操作提勒管式熱浴法測定熔點裝置搭建有什么要求？如何控制升溫速率？《Determinationofmeltingpoint》LearningNavigation一、LearningobjectivesAbility(skill)objectivesKnowledgeobjectives1.AbletousetheTillertubehotbathmethodtodeterminethemeltingpointofsamples2.Canusethedualbathhotbathmethodtodeterminethemeltingpointofthesample1.Understandthedifferencebetweenmeltingpointandmeltingdistance2.Familiarizewiththephenomenonofsamplechangesduringthemeltingpointdeterminationprocess3.Understandthefactorsthataffecttheresultsofmeltingpointdetermination二、LearningcontentKnowledgepointsLearningmethodSelfquestionandanswerTheconceptandmeasurementsignificanceofmeltingpointViewingmicrolessons-Conceptsandmeasurementmethodsofmeltingpoint;Refertokeyknowledgepoints;Downloadimagestoviewthemeasuringdevice1.Whatismeltingpointandmeltingdistance2.Whatistherelationshipbetweenmeltingpointandmaterialstructure3.whatisthesignificanceofmeltingpointmeasurement?DeterminationofmeltingpointusingdoublebathhotbathmethodWatchtheanimation-theprocessofsamplechangesduringthedeterminationofmeltingpoint;Watchvideo-Capillarysealing;Watchvideo-Preparationofsamplesformeltingpointdetermination;Watchvideo-SettingupadeviceformeasuringmeltingpointinadualbathhotbathHowtodeterminethemeltingpoint?Whataretherequirementsforconstructingadualbathhotbathdeviceformeasuringmeltingpoint?DeterminationofmeltingpointusingtheTillertubehotbathmethodWatchthemicrolesson-MeasuringthemeltingpointofbenzoicacidusingtheTillertubehotbathmethod;Watchthevideo-BuildinganexperimentaldeviceformeasuringmeltingpointusingtheTillertubemethod;Watchthevideo-ExperimentaloperationofmeasuringthemeltingpointofbenzoicacidusingtheTillertubemethod1.Whataretherequirementsf