Aqa A Level Product Design

AQA A LEVEL PRODUCT DESIGN
(TECHNICAL PRINCIPLES)
QUESTIONS WITH CORRECT
ANSWERS 2025/2026
MechanicalAPropertiesA(m)A-
AcorrectAanswersassociatedAwithAhowAaAmaterialAreactsAtoAanAexternalAforce



physicalApropertiesA(P)A-AcorrectAanswersassociatedAwithAtheAactualAmake-
upAorAstructureAofAtheAmaterial

compressiveAstrengthA(Mechanical)A-
AcorrectAanswerstheAabilityAtoAwithstandAbeingAcrushedAorAshortenedAbyApushingAforcesA(com


pression)

tensileAstrengthA(mechanical)A-
AcorrectAanswerstheAabilityAtoAresistAstretchingAorApullingAforcesA(tension)



BendingAstrengthA(mechanical)A-
AcorrectAanswerstheAabilityAtoAresistAforcesAthatAmayAbendAtheAmaterial



shearAstrengthA(m)A-AcorrectAanswerstheAabilityAtoAresistAslidingAforcesAonAaAparallelAplane

TorsionalAstrengthA(m)A-
AcorrectAanswerstheAabilityAtoAwithstandAtwistingAforcesAfromAappliedAtorqueAorAtorsion



HardnessA(m)A-
AcorrectAanswerstheAabilityAtoAresistAabrasiveAwearAsuchAasAscratching,AsurfaceAindentationAorA


cutting

toughnessA(m)A-AcorrectAanswerstheAabilityAtoAabsorbAimpactAforceAwithoutAfracture

PlasticityA(m)A-
AcorrectAanswerstheAabilityAtoAbeApermanentlyAdeformedA(shaped)AandAretainAtheAdeformedAs


hape

DuctilityA(m)A-AcorrectAanswerstheAabilityAtoAbeAdrawnAoutAunderAtension,AreducingAtheAcross-
sectionalAareaAwithoutAcracking,AforAexampleAstretchingAaAmaterialAintoAaAwire

MalleabilityA(m)A-
AcorrectAanswerstheAabilityAtoAwithstandAdeformation AbyAcompressionAwithoutAcracking.AMall


eabilityAincreasesAwithAaAriseAinAtemperature

ElasticityA(m)A-
AcorrectAanswerstheAabilityAtoAbeAdeformedAandAthenAreturnAtoAtheAoriginalAshapeAwhenAtheAf


orceAisAremoved

, ElectricalAconductorA(p)A-
AcorrectAanswersallowsAtheAflowAofAelectricalAcurrentAthroughAtheAmaterial.AAAgoodAconductor


AgivesAveryAlittleAresistanceAtoAtheAflowAofAchange.A



AnAelectricalAproperty.

electricalAinsulatorA(p)A-
AcorrectAanswersdoesAnotAallowAtheAflowAofAelectricityAthroughAtheAmaterial



AnAelectricalAproperty.

ThermalAconductorA(p)A-
AcorrectAanswersallowsAtheAtransferAofAheatAenergyAthroughAtheAmaterial.AAAmaterialAwithAhig


hAthermalAconductivityAallowsAtheAtransferAofAheatAtoAoccurAquicklyAacrossAtheAmaterial

AAthermalAproperty

thermalAinsulatorA(p)A-AcorrectAanswerspreventsAtheAtransferAofAheatAthroughAtheAmaterial.

AAthermalAproperty

ThermalAexpansionA(p)A-
AcorrectAanswerstheAincreaseAinAmaterialAvolumeAinAresponseAtoAtheAheatAinput.



AAthermalAproperty.

OpaqueA(p)A-AcorrectAanswerspreventsAlightAformAtravellingAthroughA

AAopticalAproperty.

TranslucentA(p)A-
AcorrectAanswersallowsAlightAthroughAbutAdiffusesAtheAlightAsoAthatAobjectsAappearAblurred.AFr


ostedAglassAisAanAexampleAofAit.

anAopticalAproperty

TransparentA(p)A-
AcorrectAanswersallowsAlightAtoApassAthroughAeasilyAwhichAmeansAyouAcanAseeAclearlyAthrough


AtheAmaterial



AnAopticalAproperty

DensityA(p)A-AcorrectAanswerstheAmassAofAaAmaterialAinAaAstandardAvolumeAplace

FusibilityA(p)A-
AcorrectAanswerstheAabilityAofAtheAmaterialAtoAbeAfusedAorAconvertedAfromAaAsolidAtoAaAliquidAo


rAmoltenAstate,AusuallyAbyAheat.AItAisAanAessentialApropertyAforAaAmetalAbeingAcast