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Fu

llcre

dit

Code1

:

C.Theeffectwouldbegreaterinfoodweb

BbecausetheParasiticWasp

hasonlyonefoodsourceinwebB.

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

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S127:Buses

Question1:BUS

ES

S127Q01

Abusisdrivingalo

ngastraightstretchofroad.Thebusdriver,n

amedRay,hasa

cupofwaterrestingonthedashboard:

SuddenlyRayhas

toslamonthebrakes.

Whatismostlikely

tohappentothewaterinthecup?

A

Thewaterwills

tayhorizontal.

B

Thewaterwills

pilloverside1.

C

Thewaterwills

pilloverside2.

D

Thewaterwills

pillbutyoucannottellifitwillspillatside1or

side2.

BUSESSCORING

1

QUESTIONINTEN

T:Process:Demonstratingknowledgeandu

nderstanding

Theme:Forcesandmovement

Area:Scienceintechnologies

Fu

llcre

dit

Code1:

C.Thew

aterwillspilloverside2.

Nocre

dit

Code0:

Otherresponses.

Code9:

Missing.

water

drivingdirection

1

2

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Question1:CLONING

S128Q01

WhichsheepisDollyidenticalto?

A

Sheep1

B

Sheep2

C

Sheep3

D

Dollysfather

CLONI

NGSCORING1

Fu

llcre

dit

Code1

:

A.Sheep1

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

Question2:CLONING

S128Q02

Inline14thepartoftheudderthatwasusedisdescribedasaverysmallpiece.

Fromthearticletextyoucanworkoutwhatismeant

byaverysmallpiece.

Thatv

erysmallpieceis

A

acell.

B

agene.

C

acellnucleus.

D

achromosome.

CLONI

NGSCORING2

Fu

llcre

dit

Code1

:

A.acell.

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

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Question3:CLO

NING

S128Q03

Inthelastsentenceofthearticleitisstatedthatmanygovernmentshavealready

decidedtoforbidcloningofpeoplebylaw.

Twopossiblereasonsforthisdecisionarementionedbelow.

Arethesereasons

scientificreasons?

CircleeitherYesorNoforeach.

Reason:

Scientific?

Clonedpeoplecouldbemoresensitivetocertaindiseasesthan

normalpeople.

Yes/No

Peopleshouldnot

takeovertheroleofaCreator.

Yes/No

CLONINGSCORING3

Fu

llcre

dit

Code1:

Yes,No,inthatorder.

Nocre

dit

Code0:

Otherresponses.

Code9:

Missing.

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S129

:Daylight

Readthefollowinginformationandanswerthequestionsthatfollow.

DAYLIGHTON22JUNE2002

Today,astheNorthern

Hemispherecelebratesits

longest

day,Australianswill

experiencetheirshortest.

InMelb

ourne*,Australia,the

Sunwillriseat7:36amandset

at5:08pm,givingninehours

and32minutesofdaylight.

Comparetodaytotheyears

longest

dayintheSouthern

Hemisphere,expectedon22

Decemb

er,whentheSunwill

riseat5:55amandsetat8:42

pm,giving14hoursand47

minutesofdaylight.

ThePresidentofthe

AstronomicalSociety,MrPerry

Vlahos,saidtheexiste

nceof

changingseasonsinth

e

NorthernandSouthern

Hemisphereswaslinkedtothe

Earths23-degreetilt.

*MelbourneisacityinAustraliaatalatitudeofabout38degrees

Southoftheequator.

Question1:DAYLIGHT

S129Q01

Whichstatementexplainswhydaylightanddarkness

occuronEarth?

A

The

Earthrotatesonitsaxis.

B

The

Sunrotatesonitsaxis.

C

The

Earthsaxisistilted.

D

The

EarthrevolvesaroundtheSun.

DAYLIGHTSCORING1

Fu

llcre

dit

Code1

:

A.TheEarthrotatesonitsaxis.

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

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Question2:DAY

LIGHT

S129Q02-01

0203041112132199

IntheFigurelightr

aysfromtheSunareshownshiningontheEa

rth.

SupposeitistheshortestdayinMelbourne.

ShowtheEarthsa

xis,theNorthernHemisphere,theSouthernH

emisphereandthe

EquatorontheFigure.Labelallpartsofyouranswer.

DAYLIGHTSCORING2

Note:theimportantfeatureswhenmarkingthisquestionare:

1.TheEarthsaxis

isdrawntiltedtowardstheSunwithintheran

ge10qand45qfrom

verticalforcredit:refertothefollowingdiagram:

Outsideof10qand

45qtoverticalrange:nocredit.

2.ThepresenceorabsenceofclearlylabelledNorthernandSouthernHemispheres,

oroneHemisphere

onlylabelled,theotherimplied.

3.Theequatorisd

rawnatatilttowardstheSunwithintherange10qand45qabove

horizontalforcredit:refertothefollowingdiagram:

CREDITFORAXIS

10O

23O

45O

Earth

L

ight

fromthe

S

un

Figure:lightraysfromSun

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Theeq

uatormaybedrawnasanellipticallineorstra

ightline.

Outsideof10qand45qtohorizontalrange:nocredit.

Fu

llcre

dit

Code2

1:DiagramwithEquatortiltedtowardstheSu

natananglebetween10qand

45qandEarthsaxistiltedtowardstheSun

withintherange10qand45q

fromvertical,andtheNorthernandorSouthernHemispherescorrectly

labelled(oroneonlylabelled,theotherimp

lied).

Part

ial

cre

dit

Code1

1:Angleoftiltofaxisbetween10qand45q,N

orthernand/orSouthern

Hemispherescorrectlylabelled(oroneonlylabelled,theotherimplied),but

angleoftiltofEquatornotbetween10qand45q;orEquatormissing.

C

REDITFOREQUATOR

10O

23O

45O

N S

A

Equator

Axis

N

Equator

Axis

N

N

Axis

S

S

Equator

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Code12:Angleof

tiltofEquatorbetween10qand45q,Northern

and/orSouthern

Hemisph

erescorrectlylabelled(oroneonlylabelled,th

eotherimplied),but

angleof

tiltofaxisnotbetween10qand45q;oraxismissing.

Code13:Angleof

tiltofEquatorbetween10qand45q,andangle

oftiltofaxis

between

10qand45q,butNorthernandSouthernHem

ispheresnot

correctly

labelled(oroneonlylabelled,theotherimplie

d,orbothmissing).

Nocre

dit

Code01:Northern

andorSouthernHemispherescorrectlylabelled(oroneonly,the

otherimplied)istheonlycorrectfeature.

Code02:Angleof

tiltofEquatorbetween10qand45qistheonly

correctfeature.

NSA

xis

Equator

NS

Axis

Equator

N

Ax

is

Equator

Axis

Equator

N

S

Equator

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Code0

3:Angleoftiltofaxisbetween10qand45qis

theonlycorrectfeature.

Code0

4:Nofeaturesarecorrect,orotherresponses

.

Code9

9:Missing.

S

N

Axis

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S195:Semm

elweisDiary

Semme

lwe

is

Diary

Tex

t1

July1846.Nextw

eekIwilltakeupapositionasHerrDoktor

attheFirstWardof

thematernityclinicoftheViennaGeneralHospital.Iwasfrigh

tenedwhenIheard

aboutthepercenta

geofpatientswhodieinthisclinic.Thismonthnotlessthan36of

the208mothersd

iedthere,allfrompuerperalfever.Givingb

irthtoachildisas

dangerousasfirst-degreepneumonia.

These

lines

from

the

diary

of

Ignaz

Semmelweis

(1818-1865)

illustratethedevas

tatingeffectsof

puerperalfever,

a

contagious

diseasethatkilled

manywomen

after

childbirth.

Semmelweis

collecteddataabo

utthenumber

ofdeathsfrom

puerperalfeverin

boththeFirstan

d

the

Second

Wards(seediagram).

Physicians,among

themSemmelweis,werecompletelyinthed

arkaboutthecause

ofpuerperalfever.

Semmelweisdiaryagain:

December1846.

Whydosomanywomendiefromthisfev

eraftergivingbirth

withoutanyproblems?Forcenturiessciencehastoldusth

atitisaninvisible

epidemicthatkillsmothers.Causesmaybechangesin

theairorsome

extraterrestrialinflu

enceoramovementoftheearthitself,anear

thquake.

Nowadaysnotman

ypeoplewouldconsiderextraterrestrialinflue

nceoran

earthquakeaspossiblecausesoffever.ButinthetimeSemmelweislived,many

people,evenscien

tists,did!Wenowknowithastodowithhygienicconditions.

Semmelweisknew

thatitwasunlikelythatfevercouldbecaused

byextraterrestrial

influenceoranearthquake.Hepointedatthedatahecollected(seediagram)and

usedthistotrytop

ersuadehiscolleagues.

Diagram

1841

1842

1843

1844

1845

1846

Year

15

10 5

Numberof

Deaths

First

W

ard

Second

Ward

NumberofDeathsper100

deliveriesfrom

puerperalfever

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Code0

2:Otherresponses.

xSotheydontgetsickfromthecold.

xWellwhenyouwashsomethingitwashesaw

aythegerms.

Code9

9:Missing.

Question6:SEMMELWEISDIARY

S195Q06

Manyd

iseasesmaybecuredbyusingantibiotics.Ho

wever,thesuccessofsome

antibioticsagainstpuerperalfeverhasdiminishedinrecentyears.

Whatisthereasonforthis?

A

Onceproduced,antibioticsgraduallylosetheirac

tivity.

B

Bacteriabecomeresistanttoantibiotics.

C

The

seantibioticsonlyhelpagainstpuerperalfeve

r,butnotagainstother

diseases.

D

The

needfortheseantibioticshasbeenreducedbecausepublichealthconditions

hav

eimprovedconsiderablyinrecentyears.

SEMMELWEISDIARYSCORING6

QUEST

IONINTENT:Process:Demonstratingknowledgeandunderstanding

Theme:Biodiversity

Area:Scienceinlifeandhealth

Fu

llcre

dit

Code1

:

B.Bacteriabecomeresistanttoantibiotics.

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

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S210:ClimateChange

Clima

teChange

Tex

t1

Readthefollowing

informationandanswerthequestionswhichfollow.

WHATHUMANA

CTIVITIESCONTRIBUTETOCLIMATE

CHANGE?

Theburningofcoa

l,oilandnaturalgas,aswellasdeforestationandvarious

agriculturalandind

ustrialpractices,arealteringthecompositionoftheatmosphere

andcontributingto

climatechange.Thesehumanactivitieshave

ledtoincreased

concentrationsofp

articlesandgreenhousegasesintheatmosphere.Therelative

importanceofthem

aincontributorstotemperaturechangeisshowninFigure1.

Increasedconcentrationsofcarbondioxideandmethanehavea

heatingeffect.

Increasedconcentrationsofparticleshaveacoolingeffectintwo

ways,labelled

ParticlesandParticleeffectsonclouds.

Figure1:Relative

importanceofthemaincontributorstochangein

temperatureoftheatmosphere.

Barsextendingtotherightofthecentrelineindicateaheatingeffect.Barsextending

totheleftofthecentrelineindicateacoolingeffect.Therelative

effectofParticles

andParticleeffectsoncloudsarequiteuncertain:ineachcasethepossibleeffectis

somewhereintherangeshownbythelightgreybar.

Source:adaptedfromhttp://www.gcrio.org/ipcc/qa/04.html

C

ooling

RelativeImportance

Heating

Carbondioxide

Methane

Particles

Particleeffectsonclouds

knowneffect

possibleeffect

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xExplanation1:Maybethefliesdevelopedad

efencegenesotheinsecticide

wouldnotwork.

Explanation2:He(thefarmer)usedlesseachtime.

[Note:Defencegeneisallowedasanalternativetoresistance.]

Code1

:

xHemightnothavesprayeditproperly.

xThefliescouldhavebuiltupanimmunity.

xThereweredifferenttypesofflieseachtime.

[Note:Acleardistinctionismade

betweendifferenttypesoffliesinthisexample;itisnotreferringtonewflies

comingintothearea.]

xExplanation1:Thetemperaturegotveryhotandaffectedtheinsecticide.

Explanation2:thefarmerdidnotspraythein

secticideonthefliesproperly

[Note:Twotypeb)explanationsgiven,credit

Code1only.]

Code0

:

xThefliescouldhavebeenbreeding.

xBecauseeverytimehesprayedititbecamelessandlesseffective.

xWhenthereismoreofitinthecanitisstrong

er.[Note:Aclearrelationship

betweenvolumeandconcentrationisnotgiven.]

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S251:CalfC

lones

Ca

lfClones

Tex

t

Readthefollowing

articleaboutthebirthoffivecalves.

InFebruary1993a

researchteamoftheNationalInstituteforAgriculturalResearch

inBresson-Villiers(France)succeededinproducingfivecloneso

fcalves.The

productionoftheclones(animalswiththesamegeneticmaterial,eventhoughborn

offivedifferentcow

s),wasacomplicatedprocess.

Firsttheres

earchersremovedaboutthirtyeggcellsfrom

acow(letussaythe

5

cowsnamewasBlanche1).Theresearchersremovedthenucle

usfromeachofthe

eggcellstakenfromBlanche1.

Thenthere

searcherstookanembryofromanothercow(letussayBlanche

2).Thisembryocontainedaboutthirtycells.

TheresearchersseparatedtheballofcellsfromBlanche

2intoindividual

10

cells.

Thentheyr

emovedthenucleusfromeachoftheseindividualcells.Each

nucleuswasinjectedseparatelyintoeachofthethirtycellsthatc

amefromBlanche1

(cellsfromwhichth

enucleihadbeenremoved).

Finallythethirtyinjectedeggcellswereimplantedintothirtysurrogatecows.

15

Ninemonthslater,

fiveofthesurrogatecowsgavebirthtothecalfclones.

Oneoftheresearcherssaidthatalargescaleapplication

ofthiscloning

techniquecouldbe

financiallybeneficialforcattlebreeders.

Source:CorinneBensimon,LIBRATION,March1993

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Quest

ion1:CALFCLONES

S251Q01-0189

ThemainideatestedintheFrenchexperimentsoncowswasconfirmedbythe

results.WhichmainideacouldhavebeentestedintheFrenchexperiment?

...................................................................................................................................

...................................................................................................................................

CALFCLONESSCORING1

QUESTIONINTENT:Process:Recognisingquestio

ns

Theme:Geneticcontrol


Fu

llcre

dit

Code1

:

Givesanacceptablemainidea.

xTheideaofwhethercloningofcalvesisposs

ible.

xThedeterminationofthenumberofcalfclone

sthatcouldbeproduced.

Nocre

dit

Code0

:

GivesananswerwithoutmentioningcalvesorcloningORrepeatsalarge

scaleapplicationofthiscloningtechniquecouldbefinanciallybeneficialfor

cattlebreeders.

Code8

:

Offtask.

Code9

:

Missing.

Examp

leresponses

Code1

:

xThatcloningwaspossible.[Note:Thefactthatcalves/cowshavenotbeen

mentionedshouldbedisregarded.]

Code0

:

xThatallcellsofcowsarethesame.

xMasscloningcouldbeachieved.[Note:Thewordmassinthiscontextisnot

correct.]

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Question4:CAL

FCLONES

S251Q04

Whichofthefollow

ingstatementsis/aretrue?CircleYesorNofo

reach.

Statement:

Allfivecalveshave

thesametypeof

genes.

Yes/No

Allfivecalveshave

thesamesex.

Yes/No

Thehairofallfivecalveshasthesame

colour.

Yes/No

CALFCLONESSCORING4

QUESTIONINTEN

T:Process:Drawing/evaluatingconclusions

Theme:Geneticcontrol


Fu

llcre

dit

Code1:

Yes,Yes

,Yes.

Nocre

dit

Code0:

Otherresponses.

Code9:

Missing.

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xsugar(s)

xcarbohydrate(s)

xsaccharide(s)

xstarch

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

Quest

ion7:CORN

S307Q07

AttheendofthearticleFerwerdareferstoscientists

whosaythatcarbondioxideis

notthe

maincauseoftheGreenhouseeffect.

KarinfindsthefollowingtableshowingtherelativeGreenhouseeffectcausedbyfour

gases:

RelativeGreenhouseeffectpermolecu

leofgas

Carbondioxide

Methane

Nitrousoxide

C

hlorofluorocarbons

1

30

160

17000

FromthistableKarincannotconcludewhichgasisth

emaincauseoftheincreaseof

theGre

enhouseeffect.Thedatainthetableneedto

becombinedwithotherdatafor

Karintoconcludewhichgasisthemaincauseofthe

increaseoftheGreenhouse

effect.

WhichotherdatadoesKarinneedtocollect?

A

Dataabouttheoriginofthefourgases.

B

Dataabouttheabsorptionofthefourgasesbyplants.

C

Dataaboutthesizeofeachofthefourtypesofm

olecules.

D

Dataabouttheamountsofeachofthefourgases

intheatmosphere.

CORN

SCORING7

Fu

llcre

dit

Score1:D.Dataabouttheamountsofeachofthef

ourgasesintheatmosphere.

Nocre

dit

Score0:Otherresponses.

Code9

:

Missing.

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S409:Fitfor

Drinking

Thefigureaboveshowshowwatersuppliedtohousesincitiesis

madefitfor

drinking.

Question1:FITFORDRINKING

S409Q0101020311121399

Itisimportanttoha

veasourceofgooddrinkingwater.Waterfou

ndundergroundis

referredtoasgrou

ndwater.

Giveonereasonw

hythereislessbacteriaandparticlepollutioningroundwaterthan

inwaterfromsurfacesourcessuchaslakesandrivers.

...................................................................................................................................

...................................................................................................................................

(1)GratingW

aterSource

(ReservoirorLake)

(2)Settlingpond

(3)Filter

(4)Chlorin

eis

added

(5)Water

qualityis

tested

Waterinthe

tap

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xTocleanoutthewaterabitmoreandkillthe

leftoverthings.[Note:Thingsis

notspecificenough.]

xTokeepitcleananddrinkable.

Code9

:

Missing.


S409Q060102111299

Supposethatthescientistsinvolvedinthetestingofwateratthewaterplantdiscover

thatthe

rearesomedangerousbacteriainthewaterafterthecleaningprocessis

comple

ted.

Whats

houldpeopleathomedowiththiswaterbeforedrinkingit?

...................................................................................................................................

...................................................................................................................................

FITFO

RDRINKINGSCORING6

Fu

llcre

dit

Code1

1:Responsesthatrefertoboilingthewater.

xBoilit.

Code1

2:Responsesthatrefertoothermethodsofc

leaningthatarepossibletodo

safelyathome.

xTreatthewaterwithchlorinetablets(e.g.,Puratabs).

xUseamicroporefilter.

Nocre

dit

Code0

1:Responsesthatrefertoprofessionalmethodsofcleaningthatare

impossibletocarryoutsafelyathome,orimpracticaltocarryoutathome.

xMixitwithchlorideinabucketandthendrink

it.

xMorechloride,chemicalsandbiologicaldevic

es.

xDistilthewater.

Code0

2:Otherresponses.

xPurifyitagain.

xUseacoffeefilter.

xBuybottledwateruntilthecleaningprocessisfixed.[Note:Avoidsthequestion

beingasked.]

Code9

9:Missing.

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S409Q07

Candrinkingpollutedwatercausethefollowinghealthproblems?

CircleYesorNo

ineachcase. C

andrinkingpollutedwater

caus

ethishealthproblem?

YesorNo?

Diabetes

Yes/No

Diarrhoea

Yes/No

HIV/

AIDS

Yes/No

FITFORDRINKIN

GSCORING7

Fu

llcre

dit

Code1:

Allthree

correct:No,Yes,No,inthatorder.

Nocre

dit

Code0:

Otherresponses.

Code9:

Missing.

Question10N:FITFORDRINKING

S409Q10N

Howmuchinteres

tdoyouhaveinthefollowinginformation?

Tickonlyoneboxineachrow.

High

Interest

M

edium

Interest

Low

Interest

No

Interest

Knowinghow

wateristestedforbacterial

contamination

1

2

3

4

Learningmoreaboutthechemical

treatmentofwatersupplies

1

2

3

4

Learningwhichdiseasesaretransmittedin

drinkingwater

1

2

3

4

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S414

:ToothDecay

Bacteriathatliveinourmouthscausedentalcaries(toothdecay).Carieshasbeena

problem

sincethe1700swhensugarbecameavailab

lefromtheexpandingsugar

canein

dustry.

Today,

weknowalotaboutcaries.Forexample:

x

Bacteriathatcausecariesfeedonsugar.

x

Thesugaristransformedtoacid.

x

Aciddamagesthesurfaceofteeth.

x

Brushingteethhelpstopreventcaries.

Question1:TOOTHDECAY

S414Q01

Whatistheroleofbacteriaindentalcaries?

A

Bacteriaproduceenamel.

B

Bacteriaproducesugar.

C

Bacteriaproduceminerals.

D

Bacteriaproduceacid.

TOOTH

DECAYSCORING1

Fu

llcre

dit

Code1

:

D.Bacteriaproduceacid.

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

1

23

teeth

bacteria1

Sugar

2Acid

3Mineralsfromthetooths

enamelcovering

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Question4:TOO

THDECAY

S414Q04

Thefollowinggraphshowstheconsumptionofsugarandtheam

ountofcariesin

differentcountries.

Eachcountryisrepresentedbyadotinthegraph.

Whichoneofthefollowingstatementsissupportedbythedatagiveninthegraph?

A

Insomecountries,peoplebrushtheirteethmorefrequentlythaninother

countries.

B

Themoresuga

rpeopleeat,themorelikelytheyaretogetca

ries.

C

Inrecentyears,therateofcarieshasincreasedinmanycountries.

D

Inrecentyears,theconsumptionofsugarhasincreasedinm

anycountries.

TOOTHDECAYSCORING4

Fu

llcre

dit

Code1:

B.Them

oresugarpeopleeat,themorelikelytheyare

togetcaries.

Nocre

dit

Code0:

Otherresponses.

Code9:

Missing.12345678910

20

40

60

80

100

1201

40

Averagenumberofdecayedteethperpersonindifferentcountries

Averagesugarconsumption(gramsperpersonperday)

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Question8:TOOTHDECAY

S414Q08

Acoun

tryhasahighnumberofdecayedteethperpe

rson.

Canthefollowingquestionsabouttoothdecayinthatcountrybeansweredby

scientificexperiments?CircleYesorNoforeachquestion.

Canthisquestionabouttoothdecaybe

answeredbyscientificexperiments?

YesorNo?

Whatwouldbetheeffectontoothdecayof

puttingfluorideinthewatersupply?

Yes/No

Howmuchshouldavisittothedentistcost?

Yes/No

TOOTH

DECAYSCORING8

Fu

llcre

dit

Code1

:

Bothcorrect:Yes,No,inthatorder.

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

Ques

tion10N:TOOTHDECAY

S414Q10N

Howm

uchinterestdoyouhaveinthefollowinginformation?


High

Interest

Medium

Interest

Low

Interest

No

Interest

a)K

nowingwhattoothdecaybacterialook

likeunderamicroscope

1

2

3

4

b)L

earningaboutthedevelopmentofa

v

accinetopreventtoothdecay

1

2

3

4

c)U

nderstandinghowsugar-freefoodscan

c

ausetoothdecay

1

2

3

4

ReleasedPISAItem

s_

Science.doc

Page48

S420:HotW

ork

Question1:HOT

WORK

S420Q01

Peterisworkingon

repairstoanoldhouse.Hehasleftabottleo

fwater,somemetal

nails,andapieceoftimberinsidethebootofhiscar.Aftertheca

rhasbeenoutin

thesunforthreehours,thetemperatureinsidethecarreachesabout40C.

Whathappenstotheobjectsinthecar?CircleYesorNofore

achstatement.

Doesthishappentotheobject(s)?

YesorNo?

Theyallhavethesametemperature.

Yes/No

Aftersometimethewaterbeginstoboil.

Yes/No

Aftersometimethemetalnailsbegintoglowred.

Yes/No

HOTWORKSCOR

ING1

Fu

llcre

dit

Code1:

Allthree

correct:Yes,No,No,inthatorder.

Nocre

dit

Code0:

Otherresponses.

Code9:

Missing.

Question3:HOT

WORK

S420Q03

Fordrinksduringtheday,Peterhasacupofhotcoffee,atatemperatureofabout

90C,andacupofcoldmineralwater,withatemperatureofabo

ut5C.Thecups

areofidenticaltypeandsizeandthevolumeofeachdrinkisthe

same.Peterleaves

thecupssittingina

roomwherethetemperatureisabout20C.

Whatarethetemperaturesofthecoffeeandthemineralwaterlikelytobeafter10

minutes?

A

70Cand10C

B

90Cand5C

C

70Cand25C

D

20Cand20C

8/3/2019 Science 2p

24/24

Releas

edPISAItems_

Science.doc

Page49

HOTW

ORKSCORING3

Fu

llcre

dit

Code1

:

A.70Cand10C

Nocre

dit

Code0

:

Otherresponses.

Code9

:

Missing.

Ques

tion10N:HOTWORK

S420Q10N

Howm

uchinterestdoyouhaveinthefollowinginformation?


High

Interest

Medium

Interest

Low

Interest

No

Interest

a)U

nderstandinghowtheshapeofthecup

influencesthespeedatwhichcoffeecools

1

2

3

4

b)L

earningaboutthedifferentarrangements

o

fatomsinwood,waterandsteel

1

2

3

4

c)K

nowingwhydifferentsolidsconductheat

d

ifferently

1

2

3

4

science 2p

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