matter and change物质的变化

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1、MatterandChangeUnit1PropertiesofMatter1.Whatismatter?2.The_____ofanobjectistheamountofmattertheobjectcontains.3.Matterthathasauniformanddefinitecompositioniscalleda_____.4.Howmanykindsofmatterdoesapuresubstancecontain?5.Isthefollowingsentencetrueorfalse?Allsamplesofasubstan

2、cehavedifferentphysicalproperties._____6.Aphysicalpropertyisaqualityorconditionofasubstancethatcanbe_____or_____withoutchangingthesubstance’scomposition.7.Circletheletterofthetermthatisnotaphysicalproperty?a.Oxidationc.Boilingpointb.Densityd.Meltingpoint8.Isthefollowingsent

3、encetrueorfalse?Achemistcanhelpidentifyasubstancebyitsphysicalproperties._____9.Whatarethetwogroupsintowhichsubstancescanbeclassified?10.Isthefollowingsentencetrueorfalse?Elementscanbeseparatedeasilyintosimplersubstances.11.Compoundsaresubstancesthatcanbeseparatedintosimple

4、rsubstancesusingonly____means.12.Isthefollowingsentencetrueorfalse?Thepropertiesofcompoundsaredifferentfromthoseoftheircomponentelements.______________.StatesofMatter1.IndicatetheletterofthetermthatisNOTaphysicalstateofmatter.a.Waterb.Gasc.Liquidd.Solid2.Completethetableabo

5、utpropertiesofthethreemostcommonstatesofmatter..1-4HC/CC/TGKHSMatterandChangePropertiesoftheStatesofMatterPropertyLeastModerateMostAmountofenergyDensityOrderlyarrangementofmolecules/atomsCompressibilityConstantvolumeAbilitytochangeshape3.Isthefollowingsentencetrueorfalse?Th

6、ewordsgasandvaporcanbeusedinterchangeably.4.Thetermgasislimitedtothosesubstancesthatexistinthegaseousstateatordinary______________.5.Whatisvapor?6.Aphysicalchangealtersagivenmaterialwithoutchangingitschemical______________.7.Whatdoboiling,freezing,andmeltinghaveincommon?Mix

7、tures1.Whatisamixture?2.Isthefollowingsentencetrueorfalse?Ahomogenousmixtureisonethathasacompletelyuniformcomposition.3.Whatisanothernameforahomogeneousmixture?Matcheachtypeofsolutionwithanexampleofit.4.solidsolida.sugarwater5.solidliquidb.vinegar1-4HC/CC/TGKHSMatterandCh

8、ange6.liquidliquidc.carbonmixedwithirontoformsteel7.gasliquidd.sodawater8.gasga