sain answer
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8/6/2019 Sain Answer
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8/6/2019 Sain Answer
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I B2 C3 A4 D5 B6 A7 DI CI Al 0 D1 l Bt2 Al 3 L.T4 Bt 5 Dl 6 Dt 7 Cr8 Dl 9 C2A B
PKBS 2MARKING SCIIEME
SCIENCE FORM 3PAPER 1 _ O&TECTTVE
2 l ts22 A23 C24 A25 D26 D27 A28 C29 D30 B3 l A32 B33 C34 A35 C36 B37 D38 B
39 A40 D
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8/6/2019 Sain Answer
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MARKING SCHEME FAPER 2 - STRUCTURAL QUESTIONS
Answer
Able to label
P : L iquid laeca i rQ: Gas gasR: Solid pepelal
Able to match
00
0G
G
OG
o0 Oc
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8/6/2019 Sain Answer
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b)
c)
a) Able to state he advantage
- guide/ help ( people) lan ahealthy balanced iet
membantu/ menolong orang untukmersncand diet seimbang angsihat
Able to give rason
- provide/ givel supply bodywith) energymembe kan/ membekn&an(bsdan dengan) tenaga
Able to state he class of food
Frotein
d) Able to state he disease
Kwashiokor
exi) Able to state he level
Level2Aras 2
(ii) Able to give reason
- contains rich in fibre/ roughageMengandungi kays denganfiber/ serat/ pelawos
TOTAL
6
TOTAL
6
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8/6/2019 Sain Answer
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a) Able to name he primary source of energy
SunMstshori
b) Able to name Q
Solar celU solar panelSel solar/ panel solar
Able to give reason
Sunlight s available ll the yearroundTerCapat ahaya mataharisepanjang ahun
Able to state energy changes
Potential energy +Kinetic energyTenaga uupayaan +'{enaga hinelit
eXi) Able to give reasCIn
Can be replenishedBoleh diganti semula/ tidak habis
(ii) Able to give reason
- Does not cause air ;pollution #does not pollute (air/ environmen't)Tidak menyebabkan encemaran
(udara) / tidak mencemarkon(udara/ persehitoran)
- SafeSelamst
- CheapMurah
Note : do not accept enewable energy/can be replenished avoidredundant TOTAL TOTAL
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8/6/2019 Sain Answer
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axi) Able to name he gas
OxygenOksigen
(ii) Able to state confirmatory est
Light up/ ignites glow'ing(wooden) splinterMenyalakan kayu uii berbara
(iii) Able to give mportance f oxygen
Sample answer
-For respiration breathingUntuk respiras / be nafas
- light up fire for cooking/keeping warTnMenyalakan api untuk memasaAmemcnos badan
Any suitable answer
b) Able to state he raticr
l : 2
Able to name he process
ElectrolysisElefurolisis
Able to explain
(Water) s a compound / (water) smade of oxygen and hydrogen atomcombined hemically( Air ) udalah suatu sebatian / airterbina daripada atom oksigen dan
hidrogen yong berpadu secaro kimia
C,,\
d)
TOTAL
6
TOTAL
6
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8/6/2019 Sain Answer
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axi) Able o name he cell
White blood cellSel dsrah putih
(ii) Able to sLate he function
Kill harmful micro arganismlbody against armtul microorganismllproduce ntibodyll protect ody against
infectionMembunuh micro or gani smaberb ahqtal/ melindungi badandaripada milvoorgonis mabe b ahaya/t' ne ghas l mn ant bo dii/melindung badan dari angkitan
b) Able to compare he structure f thecells
- (Cell) P has haemoglobin hile Qno haemoglobiniihas ucleus
- (Cell) P has ix shape/ iconcaveshape ut Q has no fix shape
- (Sel)P mempunyai haemoglobintetapi Q tiada // ada nucleus
- (Sel) P nempunyai bentuk etap/berbentuk dwicekung etapi Q tiadabenittk etap
e) Able to name he cell
Red blood cellSel darah rnerah
dxi) Able to mark he correct boxes
(ii) Able to state what happen
(Patient) will die/ cause eath to patient)(Pesakit) akan mati/ menyebabkan ematian
Bo
sakit
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8/6/2019 Sain Answer
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Able to give reason
Blood agglutination/ lotting occurBerlaku penggumpalan darah/darahjadi beku
I
! aXi) Able to nanne he cxide
Magnesium oxideMagnesiurn oksida
(ii) Able to write the equation
Magnesiurn Oxygen p Magresium oxideMagnesium * Oksigen --+Magnesium olsida
Note : All the three substances ust be correct
bxi) Able to give the most reactive metal
a(ii) .A,ble o arrange he reactivity of metai
P, R , A
(iii) Abfe to conclude he reactivity of differentmetals
- Diflerent metal has different eactivity withoxygen
- Different metal react at different rate withoxygen
-Logam be lainan mempunyai ke e ahifanyang berbeza dengan oksigen
- Logam berlainan bertindak pada lrodar
TOTAL
oo
berbeza de oksi
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8/6/2019 Sain Answer
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cxi) Able to give reason
(Zincand iron) are eactive elements l caneasily combined with other elements
(Zink dan besi adalah unsur yctng eokif,/Mudah berpadu dengan unsur lain
(ii) Able to give exarnple f metal exist nnatural element
Gold / platinurn rnercury/ silverEmas platinum / merkuri / perak
(iii) Able to give reason
( Platinr"rrn)s a non reacfive metal / doesnot react with oxygen
(Paltinum) adalah logam tidak reakif//tidak bertindakbalas dengan oksigen TOTAL TOTA.L
_l
a) Able to read he reading
L - 15
N - 4 5
b) Able to state he variables
Manipulated ariables Volume of asid//Reading of,bureffeIsipadu asid//bacaan buret
Responding ariables - pH value/ nilai pH
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8/6/2019 Sain Answer
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c) Able to predict
Less han pI{ 4
Note : Accept f student give rrumber as ong asthe number s less han 4
d) .dble o state he hypothesis
Sample answer
The more the asid added he lower the pHvalueSemabin banyak asid ditambah sernakinrendah/lcecil ilai pH
Viee versa
e) Abie o classifu
Asid - lernon
Alkali - shampoo, oothpaste, ittergourd
TOTAL TOTAL
I
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8/6/2019 Sain Answer
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axi) Able to state he difference
The soup n aluminium pot diagram 8.2 sHotter han soup n glass pot / diagram 8.1Sup dalom periuk aluminium raiah 8.2lebih panas daripada sup dalam periuk
kaca/ aiah 8.1
Vice versa
(ii) Able to state nference
Sample answer
The hotness f soup differs because he potis made rom difTerent materialKepanasan up berbeza kerana periukdibuat daripada bahan berlainan
The hotness of soup differs because ifferentrnaterial of pot has different ability toconduct heatKepanasan sup berbeza kerana bahanperiuk memrynyai keupayaan mengalirhaba yang berlainan
b) Able to read he stopwatch
Copper 15 sIron - 45 sAlurninium 35 s
c) Able to state he variables
Manipulateci ariable
Responding ariable
types of rodJenis rodtime taken/i readingof stopwatchMasa diambil //bacaan am randik
IIII
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8/6/2019 Sain Answer
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d) Able to draw a bar chart
Copper zinc iron aluminium
Correct bar chat * award I markAll reading correct - award I mark
e) Able to state he relationship
The ime taken for thumbtack) o drop/fblldiffers with the type of rod l tirne akendiffers as he type of rod is different//different ypes of rod condrrct eat atdifferent ime/ ratelv{asa ong diambil (paku ekan) untuk atuhberbeza mengikut enis rod// rnesu ang
diambil berbeza apabila enis rod adalahberlainan// rod berlainan enis rnengalirkanhaba pada masa/kadar berlainan
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8/6/2019 Sain Answer
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s)
Able to define operationallY'
A good conductor of heat s shown by thereading of stcpwatch/time aken when hethumbtack all/drop)Konduktor hoba yang baik ditunjtrkl
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