exam sc p2 f4

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Nama Sekolah / School Name
Nama Ujian / Test Name

Kertas
2
Paper
2
(80
markah)
(80
marks)
Masa: 2 jam 30 minit
Time: 2 hours 30
minutes
Bahagian ini mengandungi 12 soalan. Jawab semua soalan. Jawapan hendaklah ditulis dengan jelas dalam
ruang ang disediakan dalam kertas soalan. !ekirana anda hendak menukar jawapan" padamkan jawapan
ang telah dibuat. #emudian tuliskan jawapan ang baru. $ajah ang mengiringi soalan tidak dilukiskan
mengikut skala ke%uali dinatakan. Markah ang diperuntukkan bagi setiap soalan ditunjukkan dalam
kurungan. #ertas soalan ini hendaklah diserahkan di akhir peperiksaan.
This paper consists of 12 questions. Answer all questions. Write your answer clearly in the spaces proi!e!
in the question paper. "f you wish to chan#e your answer$ erase the answer that you hae !one. Then write
!own the new answer. The !ia#rams in the questions proi!e! are not !rawn to scale unless state!. The
marks allocate! for each question are shown in %rackets. This question paper must %e han!e! in at the en!
of e&amination.

1 !eorang murid telah
menjalankan suatu
eksperimen untuk
mengkaji hubungan
antara panjang bandul
dan kala aunanna.
#eputusan
eksperimen
ditunjukkan dalam
Jadual &.
A stu!ent carrie! out
an e&periment to
stu!y the relationship
%etween the len#th of
a pen!ulum an! its
perio! of oscillation.
The result of the
e&periment is shown
in Ta%le '.
Panjang bandul/cm
Length of
pendulum/cm
Masa yang diambil untuk 10
anyunan/saat
Time taken for 10 oscillations/second
20 &2
'0 &'
(0 &(
80 &8
adual 1
Table 1
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Table 2.1
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Jadual
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.ase! on
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Ta%le
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adual 2!2
Table 2.2
*2 markah+
(2 marks)
(
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4engan menggunakan data dalam Jadual
2.2" lukiskan histrogram ang
menunjukkan bilangan murid melawan
jisim.
/sin# the !ata in Ta%le 2.2$ !raw a
histro#ram to show the num%er of
stu!ents a#ainst mass.
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% $ajah &.& dan $ajah &.2 menunjukkan eksperimen untuk mengkaji kekonduksian elektrik
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0ia#ram '.' an! 0ia#ram '.2 show an e&periment to stu!y the electrical con!uctiity of lea!("")
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* $ajah 2 menunjukkan otak manusia.
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Jawapan:
Answer:
+ $ajah 3 menunjukkan pembentukan kembar.
0ia#ram 3 shows the formation of twins.
&ajah %
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(
a
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Answer:
, $ajah ' menunjukkan perubahan keadaan jirim.
0ia#ram 1 shows the chan#es in the state of matter.
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!iagram &.1
(
a
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5ame the processes:" 9 and :.
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ang disediakan di bawah.
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Answer:
- $ajah / menunjukkan struktur atom suatu elemen.
0ia#ram ; shows the atomic structure of an element.
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(
,amaka
n ;arah
a
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umber of
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ucleon number
A && &2 23
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< &0 20 30
0 20 22 '2
adual '
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Jawapan:
Answer:
0 $ajah ( menunjukkan jadual berkala dengan elemen W" 7" 9 dan :.
0ia#ram = shows the perio!ic ta%le with elements?" 7" 9 and :.
&ajah +!1
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(
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m
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)
Jawapan:
Answer:
10 #aji pernataan berikut:
*tu!y the followin# statement:
#ekonduksian haba bagi logam dan bukan logam adalah
berbe;a
>eat con!uctiity of metals an! non?metals are !ifferent
6nda dibekalkan dengan rod besi dan rod karbon ang sama sai;" satu paku tekan" dan
lilin.
9ou are #ien an iron ro! an! a car%on ro! of the same si@e$ one thum%tack an! can!le
wa&.
(
a
)
Aadang
kan
satu
hipotesi
s untuk
menias
at
pernata
an di
atas.
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one
hypothe
sis to
inesti#
ate the
a%oe
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nt.
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mark)
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b
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c
r
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t
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a
:
(
i
)
(
ii
)
Mengena
l pasti
pembole
hubah
"!entific
ation of
aria%les
*2
markah+
(2
marks)
( !enarai
ii
i
)
radas
dan
bahan
Aist of
apparat
us an!
materia
ls
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('
mark)
(
i
1
)
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atau
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e or
metho!
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(1
marks)
(
1
)
.enjadu
alan
data
Ta%ulati
on of
!ata
*&
markah+
('
mark)
Jawapan:
Answer:
11 (
a
)
,atakan
em/at
kesan
pengamb
ilan
al%ohol
se%ara
berlebiha
n.
*tate
four
effects of
e&cessie
consump
tion of
alcoholic
!rinks.
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markah+
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marks)
(
b
)
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t
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f
o
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l
o
w
i
n
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a
s
p
e
c
t
s
:
(
i
)
(
ii
)
.enjelasa
n
masalah
<larifica
tion of
pro%lem
*2
markah+
(2
marks)
(
ii
i
)
#aedah
peneles
aian
masalah
*olin#
metho!s
*2
markah+
(2
marks)
(
i
1
)
Aadang
kan
langkah
mengata
si
masalah
*u##est
step to
oerco
me
pro%lem
*&
markah+
('
mark)
Jawapan:
Answer:
12 (
a
)
,atakan
em/at
perbe;aa
n di
antara
1ariasi
selanjar
dan
1ariasi
tak
selanjar.
*tate
four
!ifferenc
es
%etween
continuo
us
ariation
an!
!iscontin
uous
ariation
.
*'
markah+
(1
marks)
(
b
)
$ajah 0 menunjukkan sejenis
1ariasi pada manusia.
0ia#ram C shows a type of
ariation in human.
1ariasi
+ariation
&ajah ,
!iagram ,
#
a
ji
g
a
m
b
a
r
8
g
a
m
b
a
r
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ti dua
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sepuna
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ristics
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markah+
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marks)
d
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w
i
n
#
s
:
(
i
)
(
ii
)
#aitkan
%iri8%iri
sepuna
1ariasi
tak
selanjar
untuk
membin
a
konsep
awal
1ariasi
tak
selanjar
,elate
the
commo
n
charact
eristic
of
!isconti
nuous
ariatio
n in
or!er to
constru
ct the
initial
concept
*&
markah+
('
mark)
(
ii
i
)
Beri satu
%ontoh
lain
1ariasi
tak
selanjar
dan satu
%ontoh
1ariasi
selanjar
6ie one
another
e&ample
of
!iscontin
uous
ariation
an! one
e&ample
of
continuo
us
ariation
*2
markah+
(2
marks)
(
i
1
)
,ataka
n
konsep
sebenar
1ariasi
tak
selanjar
*tate
the
actual
concept
of
!isconti
nuous
ariatio
n
*&
markah+
('
mark)
Jawapan:
Answer:
2ns3er4
1 (
a
)
!emakin panjang bandul kala anunan semakin bertambah.
The perio! of oscillation increases as the len#th of the pen!ulum
increases.
(
b
)
#ala anunan dipengaruhi oleh panjang bandul.
The perio! of oscillation is affecte! %y the len#th of the pen!ulum.
(
%
)
(
i
)
.anjang bandul
Aen#th of the
pen!ulum
(
ii
)
#ala anunan
-erio! of
oscillation
(
d
)
20 s
2 ( isim $ilangan murid
a
)
"kg#
Mass
(kg)
umber of students
'0 3 '' '
'/ 3 '2 3
/0 3 /' 8
// 3 /2 &0
(0 3 (' '
(/ 3 (2 &
(
b
)
(
%
)
Cariasi selanjar
<ontinuous ariation
% (
a
)
(
i
)
Jarum ammeter terpesong
The nee!le of the ammeter !eflects
(
ii
)
.lumbum(55) bromida boleh mengalirkan arus elekttrik dalam
keadaan lebur
Aea!("") %romi!e can con!uct electricity in the molten state
(
b
)
(
i
)
#eadaan jirim plumbum(55)
bromida
The state of the lea!("") %romi!e
(
ii
)
Ba%aan ammeter
,ea!in# of the ammeter
(
%
)
!ebatian ion boleh mengkonduksikan arus elektrik dalam keadaan lebur
An ionic compoun! can con!uct electric current in the molten state
' (
a
)
$ahan
%ubstance
Takat didih "()#
"oiling point (#$)
6ir suling
0istille! water
&00
6ir suling 7 gula
0istille! water 2
su#ar
&03
(
b
)
(
i
)
#ehadiran
gula
-resence of
su#ar
(
ii
)
)akat didih
.oilin# point
(
%
)
#ehadiran impuritD gula akan meninggikan takat didih air suling
The presence of %en!asin#D su#ar will increase the %oilin# point of !istille!
water
(
d
)
)akat didih air suling lebih rendah dari air ang mengandungi gula
The %oilin# point of !istille! water is lower than water containin# su#ar
(
e
)
#ehadiran bendasing akan meninggikan takat didih air suling
The presence of the impurities will increase the %oilin# point of !istille!
water
* (
a
)
(
i
)
-:
!erebrum
<ere%ru
m
(
ii
)
4:
!erebelum
<ere%ellu
m
(
b
)
(
i
)
Mengawal tindakan luar
kawal
<ontrols the inoluntary
actions
(
ii
)
4enutan jantung
>eart%eat
(
%
)
5a menambah luas permukaan otak" membolehkan ia menempatkan lebih banak
neuron
"t increases the surface area of the %rain$ ena%lin# it to accommo!ate more
neurones
(
d
)
Etak akan berkembang kerana ia kaa dengan sel badan atau neuron
The %rain can #row %ecause #rey matter is rich with cell %o!ies or neurone
+ (
a
)
(
i
)
.ersenawaan
3ertilisation
(
ii
)
Fntuk menghasilkan generasi
baru
To pro!uce new #eneration
(
b
)
(
i
)
#embar tidak seiras
5on?i!entical twin
(
ii
)
.ersenawaan mellibatkan dua sperma dan dua
o1um
3ertilisation inoles two sperms an! two oum
(
%
)
,

a
t
a
9
:
.eremp
uan
6irl
k
a
n
j
a
n
ti
n
a
b
a

i
8
b
a

i
t
e
r
s
e
b
u
t.
*
t
a
t
e
t
h
e
#
e
n
!
e
r
o
f
t
h
e
%
a
%
i
e
s
.
(
i
)
(
ii
)
:
:
=el
aki
.o
y
, (
a
)
7
:
.eleburan
+eltin#
9
:
.embekuan
3ree@in#
:
:
#ondensasi
<on!ensatio
n
(
b
)
!emasa peleburan" tenaga kinetik ;arah8;arah meningkat
0urin# meltin#$ the kinetic ener#y of the particles increases
(
%
)
!emasa kondensasi" ;arah8;arah bergerak dengan semakin perlahan untuk menjadi
%e%air
0urin# con!ensation$ the particles slow !own in their motion$ %ecomin# a liqui!
(
d
)
- (
a
)
7
:
elektro
n
electro
n
9
:
neutron
neutron
(
b
)
(
i
)
/
(
ii
)
&&
(
%
)
(
i
)
.dan <
. an! <
(
ii
)
Mempunai bilangan proton ang sama tetapi bilangan neutron ang
berbe;a
>ae the same num%er of protons %ut !ifferent num%er of neutrons
0 (
a
)
(
i
)
-
:
#umpu
lan
6roup
4
:
.eriod
-erio!
(
b
)
'
(
%
)
&2
(
d
)
.epejal ke gas
*oli! to #as
10 (
a
)
=ogam merupakan konduktor haba ang lebih baik berbanding dengan bukan logam
+etals are %etter heat con!uctors than non?metals
(
b
)
(
i
)
)ujuan eksperimen:
Aim of the e&periment:
Fntuk membandingkan kekonduksian elektrik bagi logam dan bukan logam
To compare the heat con!uctiity of metals an! non?metals
(
ii
)
Mengenal pasti pembolehubah:
"!entification of aria%les:
.emboleh ubah dimanipulasikan: Bahan binaan rod 8 logam atau bukan logam
+anipulate! aria%le: +aterial of the ro! ? metal or non?metal
.emboleh ubah bergerak balas: !ama ada lilin lebur dan paku tekan jatuh atau
tidak
,espon!in# aria%le: Whether or not the can!le wa& melts an! the thum%tack
!rops off
.emboleh ubah dimalarkan: $od ang bersai; sama
<onstant aria%le: ,o! of same si@e
(
ii
i
)
$adas dan bahan:
Apparatus an! materials:
$od besi" rod karbon" paku tekan" lilin" kaki retort" penunu Bunsen
"ron ro!$ car%on ro!$ thum%tack$ can!le wa&$ retort stan!$ .unsen %urner
(
i
1
)
.
r
o
s
e
d
u
r:
-
r
o
c
e
!
u
r
e
:
&.
!ediakan susunan radas seperti ang ditunjukkan pada rajah di bawah.
*et up the apparatus as shown in the !ia#ram %elow.
2. .anaskan rod bebas hujung dengan penunu Bunsen.
>eat the free en! of the ro! with a .unsen %urner.
3. $ekodkan masa ang diambil oleh paku tekan untuk jatuh.
,ecor! the time taken for the thum%tack to !rop off.
'. Flangi langkah8langkah & to 3 dengan menggantikan rod besi dengan rod
karbon.
,epeat steps ' to 3 %y replacin# the iron ro! with a car%on ro!.
(
1
)
.enjadualan data:
Ta%ulation of
!ata:
$ahan binaan
Masa yang diambil oleh /aku tekan untuk jatuh
"saat#
Time taken for the thumbtack to drop off (seconds)
rod
Material of the
rod
Besi
"ron
30
#arbon
<ar%on
/0
1
1
(
a
)
&
.
Memperlahankan kadar pemindahan
impuls
*lows !own the rate of nere impulse
transmission
2
.
#erosakan hati seperti hepatitis dan
sirosis
Aier !ama#e such as hepatitis an!
cirrhosis
3
.
Masalah di dalam penghadaman dan
ulser perut
-ro%lem in !i#estion system an!
stomach ulcer
'
.
Menebabkan kematian
<ause !eath
(
b
)
(
i
)
Mengenalpasti masalah:
"!entify pro%lem:
Fntuk mengatasi masalah penagihan dadah
To oercome !ru# pro%lem
(
i
i
)
.
e
n
j
e
l
a
s
a
n

m
a
s
a
l
a
h
:
<
l
a
r
i
f
i
c
a
t
#einginan untuk men%uba
<ause %y !esire to try
i
o
n

o
f
p
r
o
%
l
e
m
:
&
.
2
.
)idak peka terhadap
bahaa dadah
/nawareness of !an#er of
!ru#s
(
i
i
i
)
#
a
e
d
a
h

p
e
n

e
l
e
s
a
i
a
n
:
*
o
l

i
n
#

m
e
t
h
o
!
Menghantar jiran ke pusat pemulihan
penagih dadah
*en! his nei#h%our to the !ru#
reha%ilation centre
s
:
&
.
2
.
Menekankan kepada pendidikan agama
dan moral
Emphasis on reli#ious an! moral
e!ucation
(
i
1
)
Aadangan mengatasi masalah:
*u##est step to oer come pro%lem:
Bantar ke pusat pemulihan dadah di mana dia akan mendapat bantuan ang sepatutna untuk
pulih dari masalah penagihan
*en! to !ru# reha%ilation centre which he will #et proper help to recoer from !ru# a!!iction
1
2
(
a
)
1ariasi selanjar
$ontinuous .ariation
1ariasi tak selanjar
!iscontinuous .ariation
.erbe;aan tidak jelas
0ifference is not o%ious
.erbe;aan adalah jelas
0ifference is o%ious
Cariasi disebabkan
oleh -aktor genetik dan
persekitaran
Fariation is cause! %y
#enetic an! enironmental
factors
Cariasi disebabkan
oleh -aktor genetik
Fariation is cause! %y
#enetic factors
Boleh diwarisi
<an %e inherite!
)idak boleh diwarisi
<annot %e inherite!
(
b
)
(
i
)
A
i
r
i
s
e
p
u
n

a
:
<
o
m
m
o
n

c
h
a
r
a
c
t
e
.erbe;aan adalah jelas
0ifference is o%ious
r
i
s
t
i
c
:
&
.
2
.
Cariasi disebabkan oleh -aktor
genetik
Fariation is cause! %y #enetic
factors
(
i
i
)
#onsep awal:
"nitial concept:
.erbe;aan di antara indi1idu ang jelas dan dipengaruhi oleh -aktor genetik adalah merupakan
1ariasi tak selanjar
0ifferences amon# in!ii!uals that is o%ious an! is influence! %y #enetic factor is
!iscontinuous ariation
(
i
i
i
)
Aontoh 1ariasi tak selanjar:
E&ample of !iscontinuous ariation:
Jenis %uping telinga
Type of ear lo%es
Aontoh 1ariasi selanjar:
E&ample of continuous ariation:
#etinggian
>ei#ht
(
i
1
)
#onsep sebenar:
Actual concept:
Cariasi tak selanjar adalah perbe;aan ang jelas di antara indi1idu8indi1iru dan dipengaruhi
oleh -aktor genetik
0iscontinuous ariation is !ifferences amon# in!ii!uals that is o%ious an! is influence! %y
#enetic factor

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