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SULIT55t2Sains ertasOgos 010IVzam

Nama ' :Tingkatan :

JABATAN PELAJARANKELANTANDENGAN KER"'ASAMAPERSIDANGAN ENGETUA-PENGETUASEKOT.AHMENENGAHMALAYSIACAWANGANKELANTAN2010PEPERIKSAAN ERCUBAAN MR 2O1O

1 .

SAINSKERTAS

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JANGAN BUIq KERTAS SOALAN INISEHINGGADIBERITAHUTuliskan ombor kadpengenalan aaengkaglliranancaanda uangWng disdiakan.Karftassoafanni adalahdalamBahasangge6an &hasa MalaysiaCelondikelreMakimenjawabwlan dtdalamkqtaslni.Calondihnarkan menjawab alamDaDasanggerisatau

Kod PemeriksaBatngian Soalm MrkatlPcnuh MaknhDioerolehi

A

I 52 63 64 75 76 9

B 7 E

I t2JunbhA + B 60

Kertas soalan ni mengandungi20 halamanbercetak1 SULIT[Lihatsebelah55t2

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SULITSECTION A[ 40 MARKS]

You are advised o spend hour on this section.1. Diagram 1 showsa pyramidnumberRajah I menunjukkan iramid nombor

DiagramIRajah Ia) On Diagram 1, abelQ utd.Rusing he following wordsPado rajah I, label Q dan R menggunakan erhataanberikut.Primary sonsumerPenggunaprimer Secondary oruilrmerPenggurtosehtnder Tertiary sonsumrPengguna ertier

122 marks]b) Draw lines to matchthe organisms o its correct evel of thepyramidLukis garisan untukmemadankan rganismapada araspiramidyang betul

LeafDaunGrasshopperBelalansOwlBurung hantuFrogKatak[ 3 marks]

/\/ el/ R \

s \

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SULIT2. Diagram 2 shows he apparatus et-up o sfudy the compositionof the water

Rajah 2 menunjukkan susunanalat radas untuk mengknji kamposisi air.

CarbonrodRod karbon

Distilled water*Dilute sulphuricacidAir suling+Asid sulfurik cair

Diagram2(aXi) At the endof theexperimenfJX"'rne gasesollectedn theboiling ubePandQ.Padaakhir eksperimen smakangas erlrumpul alam abungdidihP danQ.

D.t -

[ 2 Marks](ii) State he test to identiff the gascollected n the boiling tube P and QNyatakan ujian untuk mengenalpasti gas erhtmpul dalam tabung didihP dan Q.

Ga s n the boiling ubeP :.. . .Gasdalam tabung didih PGas n the boiling tubeQ:.Gasdalam tabung didih Q[2 Marks ]Name the process n Diagram 2

Namalranproses dalum Rajah 2

I I mark]

(b)

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SULIT(c) Basedon the experiment why is water classified asa compound?Berdo.torkaneksperime4 mengapakah air adalah suotu sebatian?

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3 (a)

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SULIT3. Diagram 3.1 showsamixture of iron filings andsulphurpowderRajah 3.1 menunjukkan atu campuran serbuk besidenganserbuksulftn.

Iron filings + sulphurpowderSerbukbesi + serbuksulfur

Diagram3.1Rajah 3.1(aXi) Basedon Diagram3.1,stateone method hat can be used o separatehemixture.Berdasarknndalam Rajah 3. 1,nyataksn satu cara yong boleh digunakanuntuk mengasingknncampuran ersebut.

I I mark](b) Diagram 3.2shows tremixture of iron filings andsulphurpowder s heated

Rajah 3.2 menunjukkan erbukbesi danserbuksulfur dipanaskan

HeatedDipanaskanDiagram3.2Rajah 3.2

O.OoC)''o.0;6

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SULIT(bxi) Mark 1r/ ; in the box provided o show he arrangement f particlesofsubstancesfterheatingprocess.Tanda(ll dalamkotakyangdisediakonyangmenuniukkon usunanzarah-zarahbahanselepas rosespemanasan.ii$h#*3a-oora.ICOrO COO

[1 mark]( ii ) What s the type of substanceormed n (b)(i)?Apakahenis bahanyang terbentukdalamO)0)?

I I m a r k ](iii) Completehe word equation o show he reaction n (bxii)ten[kapkan persamaan erkntaanuntukmenunjukkanindakbalasdalam

@(i,Iron filingskrbuk besi

[ 1 m a r k ]Suggestone method to obtain salt from seawater. Explain yoLlranswerCadangkan satu fuedoh untuk mendapatlutn garam daripada air laut.Tbrangkan cwapan andaMethod . . . . .Kut:dahE,xplanationPutcrangan [2 marks]

+ I erbuksutfu |

(c)

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or_o 3(bxi)3(bxii)

(bxiii)

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SULITa. (a) Diagram4.1shows he resultobtainedwhensomematerials replacedn acontainervith250 cm3of water.Rajah4.I tnenunjukkon eputusan ang diperolehiapabila heberapabahandiletakkankt dalamheka.sang herisi 250cm' air.

S/oodKayu

h,Iarbletiuli StoneBcttu

{ i)

Diagram4.1Rajaha.lStatehe dilTerencen the densityof wood compareclo marble n thevt'ater,Nyatakan perbezaan ketumpatan kayu berbanding dengan guli didalam air.

Give onc reasonor the answer n 4(a)(i).Ilerikqn satualusan bagi uv'apan di a@Q.

[1 mark](ii)

[1 markJ

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a(a)(ii)

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SULIT(b). Table 4.2 shows the readings of two materials on the electronic balance.

Judual 4.2 menunjukkan bacaan dua bahan yang berbeza di neraca elektronik

MaterialsBahan

Volume(cm3)Isipodu( cm')

Mass (g)Jisim( s,)

Density(g/cmlKetumpatin(s/cm3)

RubberballBola gptah 9 14.61 .6

Iron blockBlok besi 9 36.0P

Table4.2Jadual4.2Basedon thetable4.2, calculatehe P.Berdasarkanadual 4.2.hitungkannilai P.( i )Given:Diberi MassG)JisimDensityKetnnpatan Volume (t-')Jkim

[ 2 marks](ii) The densityof water s 1.0d"*'while thedensityof mercury s 13.6g/" t.Whatwill happenf the rubberball is placed n abeakercontainingwaterandmercury ?Ketumpatai air adalah1.0g/cm3manakslaketumpatanmerkuriadalah13.6g/cm3.Apatrnhang aknnberlakusekiranyobolagetah diletakknn

di dalam biknr yang berisi air dan merkuri ?[1 mark

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SULIT(c) Photo4.3 showsa girl using float to swim in the swimmingpool.Gambar4.3 menunjukkanudak eremryanmenggunlran elampung ntukberenang i dalamkalam rensng.

Diagram4.3Rajah 4.3Explainhow the float help thegirl in Diagram4.3 keepher afloatTeranglrnn agaimana elampung membantu udakperempuandalamRajah4.3 terapung

[ 2 marks]

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STILIT5. Diagram5.1 showsanexpcriment o study he transportsystem n aplantRajah dolom 5.1 menunjuklmnekrperimenuntuk mengkaji sistempengangktttandalam tumhuhan.

Coioured waterAir berwarna

Diagram5.Raiah5.1(aX.i) On Diagram5.2, abel hepartseen olored edwith R.Rajah5.2, ahel bahagianbatang umbuhan ang berwarnamerahdenganR.

Diagram5.2Raiah5.2

Name he parts abelled R in a(i)NamakanhahagianberlabelR dalama (i)

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SULIT(iii) State hesubstancesransported y the (a)(ii) .Nyatakan bahan-bahanang dianghtt oleh (a)(ii).

b) Diagram 5,3 showsparfsofhibiscus stemwhichhasbeen inged, [ 1 rnark]Rajah 5.3menunjukkon ahagianbatangpokokbunga ayayang telahDigelangkan.

Ring of barkGelangkulit

Diagram5.3Rajah5.3(i) What happenedo the upperpartof the stemafter ew weeks?Apalmhyangberlelru

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SULIT6. Diagram6.1 showselectricalpowertransmission nddistributionsystem.

Rajah 6.1 menunjukknn ystempenghantarandanpengagihan kuasa elektriknSkV or Sfi) kVZ75kV slau 500 kVl l kv

132kV

Power sl,ationStesot kum

Rt'sidential areasKounsnn prrumalnn

TownBcndal

415 ,lbr Z40V

Light industrie'sIndustriringonNational gridGrid ila:sionalHeavy industriesInduslri h'ral

{rJ IPr LrU Y substation475Ylhtau24lJV D^,rn,o'oPrt.wrumngSubstation Main subetationPencormng Pcncaunng ulama

Diagram 6.1Rqiah 6.1(aXi) State he type of transformerQ and RNyatakan transformer Q dan R?

TransformerQ :Transformer R: . [ 2 marks(ii) State he difference n function between ransformerQ and R?Nyatafuinperbezaanfungsi ontara transformer Q dan R?

I l mark](iii) What type of current s generatedby power station P?Apalrah enis arusyang dijanakan oleh stesenkuasaP?

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SULIT(iv) Explain why electrical energy s sent hrough the cablesat a very high voltage.

Teranglcannlengapo terlaga elekr* dihontar nelalui kobelpadavoltanyangsangat tinggi.

[ 1 mark](bxi) Ifthe powerstationP is closed or maintenanc, hathappeno theelecficalsupply n the ndustrial rea?Jikastesen rasaP ditatupantukpembaibulih, apaakan erjadi kepadabekalan leldrikdi kowasanndustriS?

I I mark](ii) Explain ouranswer.Teangkan awapanando.

I l mark]( c) What happento house T if the electrical supply is 300V? ExplainApakahyang akan berloht kepda rumah T ika bekalan elektrik adolah 300WTerangkon

[2 marks

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SULITSECTION B[ 20 MART(SIYou areadvisedo spend30 minutesn thissection

7. Diagrarn7 shows he structureof flowersP, Q, R and S.Rajah7 menunjukkan truhur bungaP,Q,Rdan S.

Diagram 7Rajah 7

L4

a

R

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SULITa) Observe Diagram 7.State one characteristicof each flower basedon the position of the stamcnPerhatikan Rajah 7.I,{yatakan satu ciri setiap bunga berdasarkon kedudukan stamen.

[4 marks]Classiff P,Q, R and S into two groupsbasedon commonpollinatingWrite letters epresenting he flowerKelaskanP,Q,R dan Skepadadua kumpulanberdasarknn genpendeb ngaan.Tul skan hurufyang mew kil bunga ersebut.

Common characteristicCiri septmya

Alphabets represetringthe florrersHun{yang mewalilibunga[4 marks ]

P :Q:R:

(b)

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7(b)

Flower P,Q, R andSBwrga P, Q, R da, S

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SULIT8 (a) Diagram 8.1 and 8.2 showsair pressure n a tyre of a bicycle at two differenttemPerafure.Rajalt 8.1 do, 8.2 nerunjul*or tekoton ufua dalon sdu taltu basikol pada sulruyangberbeza. r. I Z

nt ,-/Y\hessure gangeTolok tekorur

Temperature-8oCSuhuDiagram .1Rajah8.1

Temperature- 40oCSuhuDiagram 8.2Rajoh 8.2

(i )

( i i)

Basedon your observation n Diagram 8.1 and 8.2 , state he differenceofair pressure n the tyre .Berdasarlranpemerhatian anda dalam Raiah 8.1 dan 8.2 , nyatokanperbezaantekanan udara pada tayar.

tl na*lWhat inferencecan be made basedon diagram 8.1 and 8.2 ?Apakah inferew yang boleh dibuat berdasarkan raiah 8.1 dan 8.2?

I I mark](iii ) Stateyour hypothesisbasedon your observation n diagram 8.1 and 8.2 .Nyatakan hipotesis anda berdasarkanpemerlwtian pada rciah 8.1 dan 8.2 .

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SULIT(b) f)iagram 8.3 showsan apparatusset up the eflect of temperatureon air pressure.Raiah 8.3 menunjuklransusunanalat radas unluk mengkaji kesansuhu terhadaptekanan udara.

PressuregaugeTolok tekmst AirUdara

Diagram8.3Rajah 8.3The air pressure s recordedwhen the temperature ncreasesTekananudara direkad apabila suhu meningkat .

t25130

TemperatureSuhuAir PressureTelranan udara

TemperatureSuhuAir PressureTelrarnn udara

TemperatureSuhuAir hessureTekananudara

t 7

20"c100 kPa

\lPo

r35

rur30

r35

: 40'C

: 60"C

kPa

kPa

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SULIT

r25 TemperatureSuhuAi r hessureTekananudara

t30r35

r25 TemperatureSuhuAir PressureTelrnnan darat30

r35f4 0

Record he readingof the pressure auge n Table 8.4Rekodkanbacaan olok tekanandi dalamJadual8-4

Table8.4Jadual8.4

80'c

100"c128 kPa

kPa

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1 8

Temperature.CSuhu, C 20 40 60 80 100Air Pressure, PaTekananudara,kPa 100

12 8

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SULIT(c ) tJsing table 8.4 draw a graphof temperatureagainst air pressure.MengS4unalwnadual8.4 lukiskan graf suhu melawsn tekanumudara .

Air pressure,kPafeyvran 130u(ata

t25

t20

t0 5

r000 20 40 60 E0 100

Temperafurs, CSulat

[2 mB*s I(d) Statehevariablesnvolved n thisexperimentNlwtakanpemholehuhahyangterlibatdalamelcsperimenni :

ManipulatedvariablePembolehutrahyotg di nnripul.asiRespondingvariablePembolehuhah hergerakbalas : [ 2 marks]

(e) Basedon the $aph in ( c), predict tlre air prcssurereadingwhen the telrrperature s 70'Berdasarkan graf di ( c) , ramalknn bacaan tekanun udara apabila suhu 70'C.

fl markJ(l) State he relationship between cm;rrature and air pressureNyuafuin hubungcm nlara suhu dan tefurrumudara .

[ | ma*]

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l r 0

1 95lZ

E(c)

I (d)

' 8 (e)

8(q

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SULIT(g) Define operationally Air pressure'-Definisikan secqraoperasi' Tekanwtudsa'

END OX'QIIESTIONPAPER

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