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1、PhysicalknowledgeinpracticalapplicationYourSubtitleGoesHereAspectsoftheKnowledgeaboutPhysicalandLifeextensiveapplicationofmechanicalknowledgeapplicationofThermalknowledgeapplicationofthelightandsoundphenomenonapplicationofelectricalknowledgeextensiveapplicationofmechanica
2、lknowledgeWecan’tlivewithoutGravity.Ifthereisnogravity,theworldwouldbeinconceivable,watercannotbepouredintohismouth,itcannotfallbacktothegroundaftertakeoff,flyingdustwillalwaysfloatintheair,thewholenaturalworldwouldbeachaos.theactualproductionandlivingofmankindareconcerne
3、dwithfriction.thefrictiontomakefulluseofbeneficial,andharmfultominimizefriction.applicationofThermalknowledgeSpecificheatcapacity(比热容）ofwaterislargeAutomotiveengineusecoolingwaterProtectionofseedlingsnotdamagedbyfrostduringthenightispouringwater.useofsolidexpansionandcont
4、raction(热胀冷缩）Itcanbeusedforavarietyofmechanicalbearings,traintiremanufacturing(机械轴承的制造）applicationofthelightandsoundphenomenonHumanexistencerequireslight.weusethesunduringtheday,andnightneedtolight,nolightenvisagedtheuniverse,thewholeworldwillbeplungedintodarkness,alllivi
5、ngorganismswillnotsurvive.applicationofsoundknowledge.10mlengthabouttheclassroomistoavoidthesoundtrack,twovoicesecho.applicationofelectricalknowledgeFrompowerconsumptiontotransportation,factoriesandenterprisesinelectricity,arederivedfromthegenerator,electricityhasbecomeae
6、ssentialsourceofenergy.Thepowerofhumangoodpartners,aslongaswestrictlyfollowtheprincipleofsafeuseofelectricity,wecantameit,useittoservemankind.InterestingphysicalphenomenaaroundPhenomenon1:whenwallquartzclockstoppedwalking,itssecondhandonthedialoftenstoppedatthe"9"position
7、.Phenomenon2:SometimesthetapwaterpipeburstsofnoisewhenitsnearbyfaucetDrainage.Phenomenon3:Frozenporkinwaterthaninairwithtemperaturesthawfaster.Explanationofabovephenomenonwallquartzclockstoppedatthe"9"positionbecausethesecondhandinthe"9"positionisthelargestre-torque.Somet
8、imesthetapwaterpipeburstsofnoisewhenitsnearbyfaucetDrainage,becauseoftheResonance(共振）betweenthem
