102-2教學大綱WhatisOrganicChemistry?Whatischemistry?Answer:Ifyoulook'chemistry'upinWebster'sDictionary,you'llsee:“chem·is·try”n.,pl.–tries.thesciencethatsystematicallystudiesthecomposition,properties,andactivityoforganicandinorganicsubstancesandvariouselementaryformsofmatter.chemicalproperties,reactions,phenomena,etc.a.sympatheticunderstanding;rapport.b.sexualattraction.theconstituentelementsofsomething;thechemistryoflove.Anotherdefinitionisshortandsweet:Chemistryisthe“scientificstudyofmatterandenergyandtheinteractionsbetweenthem”.Thisisalsothedefinitionforphysics,bytheway.Chemistryandphysicsarespecializationsofphysicalscience.Chemistrytendstofocusonthepropertiesofsubstancesandtheinteractionsbetweendifferenttypesofmatter,particularlyreactionsthatinvolveelectrons.Physicstendstofocusmoreonthenuclearpartoftheatom,aswellasthesubatomicrealm.Really,theyaretwosidesofthesamecoin.Butifyouaskme,“Whatischemistry?”……Whystudychemistry?Answer:Chemistryiseverywhereintheworldaroundyou!It'sinthefoodyoueat,clothesyouwear,wateryoudrink,medicines,air,cleaners...younameit.Chemistrysometimesiscalledthe"centralscience"becauseitconnectsothersciencestoeachothers,suchasbiology,physics,geologyandenvironmentalscience.Herearesomeofthebestreasonstostudychemistry.4.Chemistryisattheheartofcooking.Ifyouunderstandthechemicalreactionsinvolvedinmakingbakedgoodsriseorneutralizingacidityorthickeningsauces,chancesareyou'llbeabettercook.5.Acommandofchemistrycanhelpkeepyousafe!You'llknowwhichhouseholdchemicalsaredangeroustokeeptogetherormixandwhichcanbeusedsafely.6.Chemistryteachesusefulskills.Becauseitisascience,learningchemistrymeanslearninghowtobeobjectiveandhowtoreasonandsolveproblems.7.Chemistryhelpsyoutounderstandcurrentevents,includingnewsaboutpetroleum,productrecalls,pollution,theenvironmentandtechnologicaladvances.8.Chemistrymakeslife'slittlemysteriesalittleless....mysterious.Chemistryexplainshowthingswork.9.Chemistryopensupcareeroptions.Therearemanycareersinchemistry,butevenify