WGU C165 Integrated Physical Sciences Test Prep
g g g g g g g
INTRODUCTION TO PHYSICAL SCIENCE
g g g
Questiong1gofg14
AurorasgaregburstsgofglightgthatghappengwhengchargedgparticlesgfromgthegsunginteractgwithgEarth'sgmag
ticgfieldgandgatomsgandgmoleculesgingourgatmosphere.
WhichgphysicalgsciencegisgBESTgSUITEDgexplaingtheginteractionsgofgthegchargedgparticlesgwithg
Earth'sgmagneticgfield?
lifegscienceg
physicsgch
emistry
PhysicsgcangexplaingtheginteractionsgofgchargedgparticlesgwithgthegEarth’sgmagneticgfieldgbecausegmag
ticgfieldsgaregforces.
Questiong2gofg14
ThegphysicalgsciencegthatgisgBESTgforgfindinggthegbestglocationsgtogdrillgforgthegpetroleumgusedg
togmakegthegcandlesgisgEarthgScience.
EarthgsciencegisgbestgsuitedgtogstudygEarth’sgstructure,gincludinggthegmechanismsgandglikelyglocat
ionsgforgpetroleumgreservoirsgtogcollect.
Questiong3gofg14
ThegsciencegBESTgforgstudyingghowghydrogengsulfidegandgcarbongdioxidegreactgisgChemistry.g
Chemistrygfocusesgongthegstudygofgatomsgandgmolecules,gtheirgstructures,gandgtheirginteractionsg
togformgvariousgsubstances.
Questiong4gofg14
ThegsciencegBESTgforgstudyinggphotosyntheticgbacteriagisgLifegscience.
Lifegsciencegfocusesgongenvironments,gbiologicalgentities,gandgmanygothergrelatedgfields.
,Questiong5gofg14
Whichgofgthegfollowinggtermsgbestgdescribesgagresearchgprojectgthatginvolvesgsendinggagspaceg
probegtogagdistantgasteroidgtoglandgongitgandgcollectgdata?
agcontrolledgexperimentg
agfieldgstudy
aglaboratorygexperiment
Evengthoughgthegscientistsgaregnotgongthegasteroid,gtheygaregconductinggdatagcollectiongingtheg
field.
Questiong6gofg14
Agmaingreasongtogdogagfieldgstudygrathergthangaglaboratorygexperimentgis
ang observationalg studyg focusesg ong collectingg datag andg observingg phenomenag ing theg fieldgorglaborato
Questiong7gofg14
WhichgofgthesegfieldsgdependsgthegMOSTgongobservationalg
studies?gphysics
Earthgscienceg
chemistry
Whilegscientistsgtodayghavegmanygtechniquesgandgproceduresgtogreplicateguniquegexperimentsg
thatganswergcanganswergquestionsgaboutgthegEarth,gmostgofgthegdatagcollectedgisg stillgobserve
d.
Questiong8gofg14
Thegkineticgtheorygofggasesgisgbasedgongthegassumptiongthatgthegmoleculesgthatgformgtheggasgareg
ing randomg motiong andg bounceg offg theg wallsg ofg theirg containerg andg offg eachg otherg asg ifg theyg
weregbilliardgballs.gThegforcesgbetweengrealgmoleculesgaregmoregcomplicated.
,Questiong9gofg14
Whygcan’tgastronomersgcarrygoutgagscientificgresearchgstudygtogdeterminegwhichgvisiblegstar,goth
ergthangourgsun,gisgthegnicest?
ThegHubblegtelescopeghasgbetterguses.gExisti
nggtelescopesgaren’tgpowerfulgenough.gThereg
isgnogwaygtogproveganyganswergwrong.gAgproj
ectgofgthatgsortgcannotggetgfunding.
“Nicest”gisgsubjective.gConsidergthegpeoplegwhoglikegsummergversusgwinter,gorgvicegversa.
Questiong10gofg14
Galileogfoundgthatgwhengairgresistancegcangbegignored,gheaviergandglightergobjectsgfallgingtheg
samegway.gHegtestedgthisgrulegandgconfirmedgitgwasgconsistentgwithgallgavailablegdata.
ThegrulegGalileogfoundgcangBESTgbegdescribedgasga
ThegrulegGalileogfoundgwasgagtestedgconclusiongdescribinggsomethinggverygspecificgthatghappens,g
andgwasgsupportedgbygallgavailablegdata.
Questiong11gofg14
WhichgofgthesegdescribesgagstatementgthatghasgusuallygNOTgyetgbeeng
tested?gaghypothesis
agmodelg
agtheoryg
aglaw
Aghypothesisgisgagtestablegstatementgaboutghowgsomethinggingnaturegworks.gItgisgtypicallygthegbe
stgtentativegassumptiongthatgresearchersgcangmakegbasedgongthegevidencegtheygalreadyghavegatgth
atgpoint.
, Questiong12gofg14
Itgisgoftengsaidgthatgyougcangnevergprovegagscientificgtheorygright.gWhy?g
Itgisgimpossiblegtogdirectlygtestgeverygsingleginstancegingwhichgitgapplies.g
Agtheorygisgjustgagguess.
Sciencegcangnevergproveganythinggeithergrightgorgwrong.g
Agtheorygbecomesgaglawgoncegitgisgtestedgthatgthoroughl
y.
Lawsgaregstatementsgofgsimplygwhatgisgobservedgingallgavailablegexperiments,gwhilegtheoriesgareg
explanationsgandgtypicallygapplygtogwholeggroupsgofgphenomena.gLawsgdognotg becomegtheorie
s.gQuestiong13gofg14
Whichgofgthesegisggenerallygregardedgbygscientistsgtogbegthegbasisgforgdecidingg issuesgingscience
?gpersonalgfaithgingthegparticulargideagproposed
whethergthegideagisgthegsimplestgonegthegresearchergcangthinkgofg
thegreputationgofgthegresearchersgforgcarefulgwork
empiricalgevidencegincludinggexperimentsgandgobservations
Lawsgandgtheoriesgaregbasedgongandgsupportedgbygagwealthgofgevidencegandgfacts.g
Questiong14gofg14
Whichgofgthegfollowinggdescribesghowgscientificginvestigationsgaregcarriedgout?gScienti
stsgsettlegscientificgissuesgbygstaginggagdebategtogdecidegwhichgsideggavegthegbestgpresen
tation.
Scientistsgsettlegscientificgissuesgbygforminggagconsensusgingthegscientificgcommunitygaboutg
whichgexplanationgisgthegmostgappealing.
Scientistsgallgfollowgthegsameglistgofgfourgstepsgtogmakegagdiscovery:gobservegsomething,g
hypothesizegaboutgit,gtestgtheghypothesis,g&gformgagtheory.
Scientistsgusegdifferentgproceduresgbutgrelygongevidenceg>estinggtogconfirmgtheirgideas.gScient
istsgfollowgmanygdifferentgprocedures,gdependinggongthegnaturegofgthegresearchgproblemgandgthei
rgowngcreativitygingfindinggwaysgtoggatherginformation.
g g g g g g g
INTRODUCTION TO PHYSICAL SCIENCE
g g g
Questiong1gofg14
AurorasgaregburstsgofglightgthatghappengwhengchargedgparticlesgfromgthegsunginteractgwithgEarth'sgmag
ticgfieldgandgatomsgandgmoleculesgingourgatmosphere.
WhichgphysicalgsciencegisgBESTgSUITEDgexplaingtheginteractionsgofgthegchargedgparticlesgwithg
Earth'sgmagneticgfield?
lifegscienceg
physicsgch
emistry
PhysicsgcangexplaingtheginteractionsgofgchargedgparticlesgwithgthegEarth’sgmagneticgfieldgbecausegmag
ticgfieldsgaregforces.
Questiong2gofg14
ThegphysicalgsciencegthatgisgBESTgforgfindinggthegbestglocationsgtogdrillgforgthegpetroleumgusedg
togmakegthegcandlesgisgEarthgScience.
EarthgsciencegisgbestgsuitedgtogstudygEarth’sgstructure,gincludinggthegmechanismsgandglikelyglocat
ionsgforgpetroleumgreservoirsgtogcollect.
Questiong3gofg14
ThegsciencegBESTgforgstudyingghowghydrogengsulfidegandgcarbongdioxidegreactgisgChemistry.g
Chemistrygfocusesgongthegstudygofgatomsgandgmolecules,gtheirgstructures,gandgtheirginteractionsg
togformgvariousgsubstances.
Questiong4gofg14
ThegsciencegBESTgforgstudyinggphotosyntheticgbacteriagisgLifegscience.
Lifegsciencegfocusesgongenvironments,gbiologicalgentities,gandgmanygothergrelatedgfields.
,Questiong5gofg14
Whichgofgthegfollowinggtermsgbestgdescribesgagresearchgprojectgthatginvolvesgsendinggagspaceg
probegtogagdistantgasteroidgtoglandgongitgandgcollectgdata?
agcontrolledgexperimentg
agfieldgstudy
aglaboratorygexperiment
Evengthoughgthegscientistsgaregnotgongthegasteroid,gtheygaregconductinggdatagcollectiongingtheg
field.
Questiong6gofg14
Agmaingreasongtogdogagfieldgstudygrathergthangaglaboratorygexperimentgis
ang observationalg studyg focusesg ong collectingg datag andg observingg phenomenag ing theg fieldgorglaborato
Questiong7gofg14
WhichgofgthesegfieldsgdependsgthegMOSTgongobservationalg
studies?gphysics
Earthgscienceg
chemistry
Whilegscientistsgtodayghavegmanygtechniquesgandgproceduresgtogreplicateguniquegexperimentsg
thatganswergcanganswergquestionsgaboutgthegEarth,gmostgofgthegdatagcollectedgisg stillgobserve
d.
Questiong8gofg14
Thegkineticgtheorygofggasesgisgbasedgongthegassumptiongthatgthegmoleculesgthatgformgtheggasgareg
ing randomg motiong andg bounceg offg theg wallsg ofg theirg containerg andg offg eachg otherg asg ifg theyg
weregbilliardgballs.gThegforcesgbetweengrealgmoleculesgaregmoregcomplicated.
,Questiong9gofg14
Whygcan’tgastronomersgcarrygoutgagscientificgresearchgstudygtogdeterminegwhichgvisiblegstar,goth
ergthangourgsun,gisgthegnicest?
ThegHubblegtelescopeghasgbetterguses.gExisti
nggtelescopesgaren’tgpowerfulgenough.gThereg
isgnogwaygtogproveganyganswergwrong.gAgproj
ectgofgthatgsortgcannotggetgfunding.
“Nicest”gisgsubjective.gConsidergthegpeoplegwhoglikegsummergversusgwinter,gorgvicegversa.
Questiong10gofg14
Galileogfoundgthatgwhengairgresistancegcangbegignored,gheaviergandglightergobjectsgfallgingtheg
samegway.gHegtestedgthisgrulegandgconfirmedgitgwasgconsistentgwithgallgavailablegdata.
ThegrulegGalileogfoundgcangBESTgbegdescribedgasga
ThegrulegGalileogfoundgwasgagtestedgconclusiongdescribinggsomethinggverygspecificgthatghappens,g
andgwasgsupportedgbygallgavailablegdata.
Questiong11gofg14
WhichgofgthesegdescribesgagstatementgthatghasgusuallygNOTgyetgbeeng
tested?gaghypothesis
agmodelg
agtheoryg
aglaw
Aghypothesisgisgagtestablegstatementgaboutghowgsomethinggingnaturegworks.gItgisgtypicallygthegbe
stgtentativegassumptiongthatgresearchersgcangmakegbasedgongthegevidencegtheygalreadyghavegatgth
atgpoint.
, Questiong12gofg14
Itgisgoftengsaidgthatgyougcangnevergprovegagscientificgtheorygright.gWhy?g
Itgisgimpossiblegtogdirectlygtestgeverygsingleginstancegingwhichgitgapplies.g
Agtheorygisgjustgagguess.
Sciencegcangnevergproveganythinggeithergrightgorgwrong.g
Agtheorygbecomesgaglawgoncegitgisgtestedgthatgthoroughl
y.
Lawsgaregstatementsgofgsimplygwhatgisgobservedgingallgavailablegexperiments,gwhilegtheoriesgareg
explanationsgandgtypicallygapplygtogwholeggroupsgofgphenomena.gLawsgdognotg becomegtheorie
s.gQuestiong13gofg14
Whichgofgthesegisggenerallygregardedgbygscientistsgtogbegthegbasisgforgdecidingg issuesgingscience
?gpersonalgfaithgingthegparticulargideagproposed
whethergthegideagisgthegsimplestgonegthegresearchergcangthinkgofg
thegreputationgofgthegresearchersgforgcarefulgwork
empiricalgevidencegincludinggexperimentsgandgobservations
Lawsgandgtheoriesgaregbasedgongandgsupportedgbygagwealthgofgevidencegandgfacts.g
Questiong14gofg14
Whichgofgthegfollowinggdescribesghowgscientificginvestigationsgaregcarriedgout?gScienti
stsgsettlegscientificgissuesgbygstaginggagdebategtogdecidegwhichgsideggavegthegbestgpresen
tation.
Scientistsgsettlegscientificgissuesgbygforminggagconsensusgingthegscientificgcommunitygaboutg
whichgexplanationgisgthegmostgappealing.
Scientistsgallgfollowgthegsameglistgofgfourgstepsgtogmakegagdiscovery:gobservegsomething,g
hypothesizegaboutgit,gtestgtheghypothesis,g&gformgagtheory.
Scientistsgusegdifferentgproceduresgbutgrelygongevidenceg>estinggtogconfirmgtheirgideas.gScient
istsgfollowgmanygdifferentgprocedures,gdependinggongthegnaturegofgthegresearchgproblemgandgthei
rgowngcreativitygingfindinggwaysgtoggatherginformation.
