exam sc p2 f4
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scTRANSCRIPT
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Nama Sekolah / School Name
Nama Ujian / Test Name
Kertas 2Paper 2
(80 markah)(80 marks)
Masa: 2 jam 30 minitTime: 2 hours 30 minutes
Bahagian ini mengandungi 12 soalan. Jawab semua soalan. Jawapan hendaklah ditulis dengan jelas dalam ruang yang disediakan dalam kertas soalan. Sekiranya anda hendak menukar jawapan, padamkan jawapan yang telah dibuat. Kemudian tuliskan jawapan yang baru. Rajah yang mengiringi soalan tidak dilukiskan mengikut skala kecuali dinyatakan. Markah yang diperuntukkan bagi setiap soalan ditunjukkan dalam kurungan. Kertas soalan ini hendaklah diserahkan di akhir peperiksaan.This paper consists of 12 questions. Answer all questions. Write your answer clearly in the spaces provided in the question paper. If you wish to change your answer, erase the answer that you have done. Then write down the new answer. The diagrams in the questions provided are not drawn to scale unless stated. The marks allocated for each question are shown in brackets. This question paper must be handed in at the end of examination.
1 Seorang murid telah
menjalankan suatu eksperimen untuk
mengkaji hubungan antara panjang bandul dan kala ayunannya.
Keputusan eksperimen
ditunjukkan dalam Jadual 1.
A student carried out an experiment to
study the relationship between the length of a pendulum and its
period of oscillation.The result of the
experiment is shown in Table 1.
Panjang bandul/cmLength of
pendulum/cm
Masa yang diambil untuk 10 anyunan/saat
Time taken for 10 oscillations/second
20 1240 1460 1680 18
Jadual 1Table 1
(Tu
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a)
lis satu hipotesis bagi eksperimen ini.
Write down one
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hypothesis for this experiment.
[1 markah]
[1 mark]
(b
Ny
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) atakan satu inferens daripada eksperimen ini.
State one
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inference from this experiment.
[1 markah]
[1 mark]
( N P
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c)
yatakan pembolehubah dalam eksperimen ini.State the variable
embolehubah dimalarkan
Manipulated variable
[1 markah
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s in this experiment.(i)
]
[1 mark]
(ii)
Pembolehubah bergerak balas
Respon
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ding variable
[1 markah]
[1 mark]
(d)
Ramalkan masa yang d
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iambil untuk 10 anyunan jika 100 cm bandul digunakan.
P
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redict the time taken for 10 oscillations if 100 cm of p
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endulum is used.
[1 markah]
[1 mark]
Jawapan:Answer:
2 Seorang murid menjalan
56 55 57 52 53
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kan eksperimen untuk mengkaji variasi
jirim di kalangan murid dalam suatu kelas.Jadual 2.1 menunjukkan jisim,
da
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lam kg,
bagi 30 orang murid.A student
carry
out
an experiment to study the
variation of mass among the studen
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ts in a class.Table 2.1 shows the mass, in kg,
of 30 students.
5247 50 54 52 61 5743 51 55 57 60 6259 46 55 61 44 4644 42 53 56 65 59
Jadual 2.1Table 2.1
(a)
Berdasarkan data dalam Jadual
2.1, lengkapkan Jadual
2.2.Based on the data in Table
2.1, complete
Table 2.2.
Jisim
Bilangan muridNumber of students
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(kg)Mass (kg)
40 − 44 45 − 49 50 − 54 55 − 59 60 − 64 65 − 69
Jadual 2.2Table 2.2
[2 markah][2 marks]
(b)
Dengan menggunakan data dalam Jadual 2.2, lukiskan histrogram yang menunjukkan bilangan murid melawan jisim.Using the data in Table 2.2, draw a histrogram to show the number of students against mass.
[2 markah][2 marks]
(c)
Nyatakan jen
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is variasi berdasarkan histrogram di (b).State the type o
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f variation based on the histrogram in (b).
[1 markah]
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[1 mark]
Jawapan:Answer:
3 Rajah 1.1 dan Rajah 1.2 menunjukkan eksperimen untuk mengkaji kekonduksian elektrik plumbum(II) bromida.
Diagram 1.1 and Diagram 1.2 show an experiment to study the electrical conductivity of lead(II) bromide.
Rajah 1.1Diagram 1.1
Rajah 1.2Diagram 1.2
(a)
(i)
Nyatakan sa
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tu pemerhatian daripada eksperimen ini.
State one obser
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vation from this experiment.
[1 markah]
[1 mark]
(ii)
Berda
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sarkan kepada pemerhatian di (a)(i), nyatakan satu infe
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rens.
Based on the observation in (a)(i), state one inf
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erence.
[1 markah]
[1 mark]
(b)
Nyatakan pembolehubah dalam
Pembolehubah dimanipulasik
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eksperimen ini.State the variables in this experiment.(i)
an:
Manipulated variable:
[1 markah]
[1 mark]
(ii)
Pembol
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ehubah bergerak balas:
Responding variable:
[1 markah
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]
[1 mark]
(c)
Nyatakan definisi secara operasi bagi sebatia
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n ion.
State the operational definition for an ionic co
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mpound.
[1 markah]
[1 mark]
Jawapan:Answer:
4 Rajah 1.1 dan 1.2 menunjukkan satu eksperimen untuk mengkaji kesan bendasing pada takat didih air suling.
Diagram 1.1 and 1.2 shows an experiment to study the effect of the impurities on the boiling point of distilled water.
Rajah 1.1Diagram 1.1
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Rajah 1.2Diagram 1.2
Jadual 4 menunjukkan
keputusan eksperimen.
Table 4 shows the result of the experiment.
BahanSubstance
Takat didih (°C)Boiling point (°C)
Air sulingDistilled water
100
Air suling + gulaDistilled water +
sugar
Jadual 4Table 4
(a)
Daripada Rajah
1.2, rekodka
n takat didih
dalam Jadual
4.From
Diagram 1.2, record
the boiling point in
Table 4.[1
markah]
[1 mark]
( N P
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b)
yatakan pembolehubah dalam eksperimen ini.State the variable
embolehubah manipulasi
Manipulated variable
[1 markah
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s in this experiment.(i)
]
[1 mark]
(ii)
Pembolehubah bergerakbalas
Respond
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ing variable
[1 markah]
[1 mark]
(c)
Nyatakan satu hipotes
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is untuk eksperimen ini.
State one hypothesis for this
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experiment.
[1 markah]
[1 mark]
(d)
Tuliskan satu pemerhat
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ian daripada eksperimen ini.
Write one observation from
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the experiment.
[1 markah]
[1 mark]
(e)
Nyatakan satu inf
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erens yang boleh dibuat berdasarkan pemerhatian dalam (
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d).
State one inference that can be made based on the o
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bservation in (d).
[1 markah]
[1 mark]
Jawapan:Answer:
5 Rajah 2 menunjukkan otak manusia.Diagram 2 shows a human brain.
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Rajah 2Diagram 2
(a)
Namakan P dan Q.NameP and Q.(i)
P:
[1 mark
ah][1
mark]
(ii)
Q:
[1 mark
ah][1
mark]
(b)
(i)
Nyatakan
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fungsi R.State the function ofR.
[1 markah]
[1 mark]
(ii)
Ber
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i satu tindakan dikawal oleh R.Give one action controlled
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byR.
[1 markah]
[1 mark]
(c)
Mengapakah permukaan P dan Q
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berlipat-lipat?
Why do theP and Q have folded parts?
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[1 markah]
[1 mark]
(d)
Apakah kelebihan mempunyai jirim kela
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bu pada permukaan P?
What is the advantage of having grey
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matter on the surface ofP?
[1 markah]
[1 mark]
Jawapan:Answer:
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6 Rajah 3 menunjukkan pembentukan kembar.Diagram 3 shows the formation of twins.
Rajah 3Diagram 3
(a)
(i)
Nyatakan proses X.State the process
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X.
[1 markah]
[1 mark]
(ii)
Apakah kepentingan proses X?
Wha
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t is the importance of processX?
[1 markah]
[1 mark]
(b)
(i)
Apa
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kah kembar yang terbentuk itu digelar?
What are the twin
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s formed called?
[1 markah]
[1 mark]
(ii)
Nyatakan satu cir
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i-ciri kembar yang dinamakan dalam (b)(i).State one char
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acteristic of the twin named in b(i).
[1 markah]
[1 mar
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k]
(c)
Nyatakan jantina bayi-bayi tersebut.State the gender of the bab
Y:
[1 markah]
[1 mar
k]
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ies.(i)(ii)
Z:
[1 markah]
[1 mar
k]Jawapan:Answer:
7 Rajah 4 menunjukkan perubahan keadaan jirim.Diagram 4 shows the changes in the state of matter.
Rajah 4.1Diagram 4.1
(a)
Namakah proses X, Y, dan Z.Name the processesX, Y and Z. X:
Y:
Z:
[3 markah]
[3 marks]
(b)
Apakah y
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ang berlaku kepada tenaga kinetik zarah-zarah dalam jir
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im semasa proses X?
What happens to the kinetic energy o
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f the particles in the matter during processX?
[1 mark
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ah]
[1 mark]
(c)
Apakah yang berlaku kepada pergerakan zarah
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-zarah dalam jirim semasa proses Z?
What happens to the
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movement of the particles in the matter during processZ?
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[1 markah]
[1 mark]
(d)
Lukis susunan zarah-zarah dalam keadaan gas dalam petak yang disediakan di
bawah.Draw the particle arrangement in gas state in the box provided
below.
[1 markah][1 mark]
Jawapan:Answer:
8 Rajah 5 menunjukkan struktur atom suatu elemen.Diagram 5 shows the atomic structure of an element.
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Rajah 5Diagram 5
(a)
Namakan zarah
subatomic X dan
Y.Name
subatomic
particlesX and Y.
[2 markah]
[2 marks]
(b)
Nyatakan nombor proton dan nomb
Nombor Proton
Proton number
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or nukleon atom tersebut.State the proton number and nucleon num
[1 markah]
[1 mark]
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ber of the atom.(i)(ii)
Nombor nukleon
Nucleon number
[1 mark
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ah]
[1 mark]
(c)
Jadual 4 menunju
kkan bilangan proton,
bilangan neutron
dan nombor nukleon untuk
elemen A, B, C, dan D.Table 4 shows
the number
of proton, number
of neutron
and nucleon number
of elementsA, B, C and D.
ElemenElement
s
Bilangan proton
Number of proton
Bilangan neutron
Number of neutron
Bilangan nukleonNucleon number
A 11 12 23B 17 18 35C 17 20 37D 20 22 42
Jadual 4Table 4
(El
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i)
emen manakah dalam Jadual 4 merupakan isotop?
Which ele
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ments in Table 4 are isotopes?
[1 markah]
[1 mark]
(ii
Ber
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) ikan satu sebab untuk jawapan anda di (c)(i).
Give a re
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ason for your answer in (c)(i).
[1 markah]
[1 mark]
Jawapan:Answer:
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9 Rajah 6 menunjukkan jadual berkala dengan elemen W, X, Y dan Z.Diagram 6 shows the periodic table with elementsW, X, Y and Z.
Rajah 6.1Diagram 6.1
(a)
Apakah yang diwakili P dan Q?What doesP and
P:
Q:
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Q represent?(i)
(b)
Berapakah bilangan electron dalam atom W?
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How many electrons are there in atomW?
[1 markah]
[1
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mark]
(c)
Sekiranya atom X mempunyai 10 neutron di dalam nukle
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usnya, apakah nombor nukleonnya?
If atomX has 10 neutrons
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in its nucleus, what is its nucleon number?
[1 markah]
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[1 mark]
(d)
Apakah pertukaran ciri yang berlaku bila kita b
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ergerak dari Y ke Z dalam jadual berkala?
What property ch
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anges as we move fromY to Z on the periodic table?
[1
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markah]
[1 mark]
Jawapan:Answer:
10 Kaji pernyataan berikut:Study the following statement:
Kekonduksian haba bagi logam dan bukan logam adalah berbezaHeat conductivity of metals and non-metals are different
Anda dibekalkan dengan rod besi dan rod karbon yang sama saiz, satu paku tekan, dan lilin.You are given an iron rod and a carbon rod of the same size, one thumbtack and candle wax.(a)
Cadangkan
satu hipotesis untuk
menyiasat
pernyataan di atas.
Suggest one
hypothesis to
investigate the above
statement.[1
markah][1
mark]
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(b)
Huraikan satu eksperimen untuk menguji hipotesis di (a) berdasar
Tujuan eksperi
menAim of
the experim
ent[1
markah][1
mark]
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kan kriteria berikut:Describe one experiment to test your hypothe
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sis in (a) based on the following criteria:(i)(ii)
Mengenal pasti
pembolehubah
Identification of
variables[2
markah][2
marks](iii)
Senarai radas
dan bahanList of
apparatus and
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materials
[1 markah]
[1 mark]
(iv)
Prosedur atau
kaedahProcedur
e or method
[4 markah]
[4 marks]
(v)
Penjadualan data
Tabulation of data
[1 markah]
[1 mark]
Jawapan:Answer:
11 (a)
Nyatakan empat kesan
pengambilan
alcohol secara
berlebihan.
State four
effects of excessive consumpt
ion of alcoholic
drinks.[4
markah][4
marks](b
Ji
Mengenalpasti
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) ran Abdullah adalah penagih dadah dan Abdullah ingin membantu jiran
masalahIdentify
problem[1
markah][1
mark]
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nya mengatasi masalahnya.Cadangkan cara untuk dia berbuat demi
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kian.Abdullah's neighbour is a drug addict and he wants to help his
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neighbour to overcome his problems. Suggest ways for him to to it
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.
Jawapan anda perlu berdasarkan aspek-aspek berikut:Your answ
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er should based on the following aspects:(i)(ii)
Penjelasan
masalahClarifica
tion of problem
[2 markah]
[2 marks]
(iii)
Kaedah penyeles
aian masalahSolving
methods[2
markah]
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[2 marks]
(iv)
Cadangkan
langkah mengata
si masalahSuggest step to
overcome
problem[1
markah][1
mark]Jawapan:Answer:
12 (a)
Nyatakan empat
perbezaan di
antara variasi
selanjar dan
variasi tak
selanjar.State four
differences
between continuo
us variation
and discontin
uous variation
.[4
markah][4
marks](b)
Rajah 7 menunjukkan sejenis variasi pada manusia.
Diagram 7 shows a type of variation in human.
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VariasiVariation
Rajah 7Diagram 7
Kaji gambar-gambar di atas. Kamu dikehendak
Kenalpasti dua
ciri sepunyaIdentify
two common characte
ristics[2
markah][2
marks]
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i membina konsep variasi tak selanjar.Study the above pictures. Y
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ou are required to the develop a concept of discontinuous variation
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.
Jawapan anda hendaklah mengandungi yang berikut:Your answer s
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hould include the followings:(i)(ii)
Kaitkan ciri-ciri
sepunya variasi
tak selanjar
untuk membin
a konsep
awal variasi
tak selanjar
Relate the
common charact
eristic of
discontinuous
variation in
order to construc
t the
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initial concept
[1 markah]
[1 mark]
(iii)
Beri satu contoh
lain variasi
tak selanjar dan satu
contoh variasi
selanjarGive one
another example
of discontin
uous variation and one example
of continuo
us variation
[2 markah]
[2 marks]
(iv)
Nyatakan
konsep sebenar variasi
tak selanjar
State the
actual concept
of disconti
nuous variatio
n[1
markah][1
mark]Jawapan:Answer:
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Answer:
1 (a)
Semakin panjang bandul kala anyunan semakin bertambah.The period of oscillation increases as the length of the pendulum increases.
(b)
Kala anyunan dipengaruhi oleh panjang bandul.The period of oscillation is affected by the length of the pendulum.
(c)
(i)
Panjang bandulLength of the pendulum
(ii)
Kala anyunanPeriod of oscillation
(d)
20 s
2 (a)
Jisim (kg)Mass (kg)
Bilangan muridNumber of students
40 − 44 445 − 49 350 − 54 855 − 59 1060 − 64 465 − 69 1
(b)
(c)
Variasi selanjarContinuous variation
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3 (a)
(i)
Jarum ammeter terpesongThe needle of the ammeter deflects
(ii)
Plumbum(II) bromida boleh mengalirkan arus elekttrik dalam keadaan leburLead(II) bromide can conduct electricity in the molten state
(b)
(i)
Keadaan jirim plumbum(II) bromidaThe state of the lead(II) bromide
(ii)
Bacaan ammeterReading of the ammeter
(c)
Sebatian ion boleh mengkonduksikan arus elektrik dalam keadaan leburAn ionic compound can conduct electric current in the molten state
4 (a)
BahanSubstance
Takat didih (°C)Boiling point (°C)
Air sulingDistilled water
100
Air suling + gulaDistilled water +
sugar103
(b)
(i)
Kehadiran gulaPresence of sugar
(ii)
Takat didihBoiling point
(c)
Kehadiran impurity/ gula akan meninggikan takat didih air sulingThe presence of bendasing/ sugar will increase the boiling point of distilled water
(d)
Takat didih air suling lebih rendah dari air yang mengandungi gulaThe boiling point of distilled water is lower than water containing sugar
(e)
Kehadiran bendasing akan meninggikan takat didih air sulingThe presence of the impurities will increase the boiling point of distilled water
5 (a)
(i) P:
SerebrumCerebrum
(ii) Q:
SerebelumCerebellum
(b)
(i)
Mengawal tindakan luar kawalControls the involuntary actions
(ii)
Denyutan jantungHeartbeat
( Ia menambah luas permukaan otak, membolehkan ia menempatkan lebih banyak
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c)
neuronIt increases the surface area of the brain, enabling it to accommodate more neurones
(d)
Otak akan berkembang kerana ia kaya dengan sel badan atau neuronThe brain can grow because grey matter is rich with cell bodies or neurone
6 (a)
(i)
PersenyawaanFertilisation
(ii)
Untuk menghasilkan generasi baruTo produce new generation
(b)
(i)
Kembar tidak seirasNon-identical twin
(ii)
Persenyawaan mellibatkan dua sperma dan dua ovumFertilisation involves two sperms and two ovum
(c)
Nyatakan jantina bayi-bayi tersebut.State
Y:
PerempuanGirl
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the gender of the babies.(i)(ii)
Z:
LelakiBoy
7 (a)
X:
PeleburanMelting
Y:
PembekuanFreezing
Z:
KondensasiCondensation
(b)
Semasa peleburan, tenaga kinetik zarah-zarah meningkatDuring melting, the kinetic energy of the particles increases
(c)
Semasa kondensasi, zarah-zarah bergerak dengan semakin perlahan untuk menjadi cecairDuring condensation, the particles slow down in their motion, becoming a liquid
(d)
8 (a)
X:
elektronelectron
Y:
neutronneutron
( ( 5
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b)
i)(ii)
11
(c)
(i)
Bdan CB and C
(ii)
Mempunyai bilangan proton yang sama tetapi bilangan neutron yang berbezaHave the same number of protons but different number of neutrons
9 (a)
(i)
P:
KumpulanGroup
Q:
PeriodPeriod
(b)
4
(c)
19
(d)
Pepejal ke gasSolid to gas
10 (a)
Logam merupakan konduktor haba yang lebih baik berbanding dengan bukan logamMetals are better heat conductors than non-metals
(b)
(i)
Tujuan eksperimen:Aim of the experiment:Untuk membandingkan kekonduksian elektrik bagi logam dan bukan logamTo compare the heat conductivity of metals and non-metals
(ii)
Mengenal pasti pembolehubah:Identification of variables:Pemboleh ubah dimanipulasikan: Bahan binaan rod - logam atau bukan logamManipulated variable: Material of the rod - metal or non-metalPemboleh ubah bergerak balas: Sama ada lilin lebur dan paku tekan jatuh atau tidakResponding variable: Whether or not the candle wax melts and the thumbtack drops offPemboleh ubah dimalarkan: Rod yang bersaiz samaConstant variable: Rod of same size
(iii)
Radas dan bahan:Apparatus and materials:Rod besi, rod karbon, paku tekan, lilin, kaki retort, penunu BunsenIron rod, carbon rod, thumbtack, candle wax, retort stand, Bunsen burner
(iv)
Prosedu
Sediakan susunan radas seperti yang ditunjukkan pada rajah di bawah.Set up the apparatus as shown in the diagram below.
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r:Procedure:1.2. Panaskan rod bebas hujung dengan penunu Bunsen.
Heat the free end of the rod with a Bunsen burner.3. Rekodkan masa yang diambil oleh paku tekan untuk jatuh.
Record the time taken for the thumbtack to drop off.4. Ulangi langkah-langkah 1 to 3 dengan menggantikan rod besi dengan rod
karbon.Repeat steps 1 to 3 by replacing the iron rod with a carbon rod.
(v)
Penjadualan data:Tabulation of
data:Bahan binaan
rodMaterial of the
rod
Masa yang diambil oleh paku tekan untuk jatuh (saat)
Time taken for the thumbtack to drop off (seconds)
BesiIron
30
KarbonCarbon
50
11
(a)
1.
Memperlahankan kadar pemindahan impulsSlows down the rate of nerve impulse transmission
2.
Kerosakan hati seperti hepatitis dan sirosisLiver damage such as hepatitis and cirrhosis
3.
Masalah di dalam penghadaman dan ulser perutProblem in digestion system and stomach ulcer
4.
Menyebabkan kematianCause death
(b)
(i)
Mengenalpasti masalah:Identify problem:Untuk mengatasi masalah penagihan dadahTo overcome drug problem
(ii)
Penje
Keinginan untuk mencubaCause by desire to try
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lasan masalah:Clarification of problem:1.2.
Tidak peka terhadap bahaya dadahUnawareness of danger of drugs
(iii)
Kaedah peny
Menghantar jiran ke pusat pemulihan penagih dadahSend his neighbour to the drug rehabilation centre
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elesaian:Solving methods:1.2.
Menekankan kepada pendidikan agama dan moralEmphasis on religious and moral education
(iv)
Cadangan mengatasi masalah:Suggest step to over come problem:Hantar ke pusat pemulihan dadah di mana dia akan mendapat bantuan yang sepatutnya untuk pulih dari masalah penagihanSend to drug rehabilation centre which he will get proper help to recover from drug addiction
12
(a)
Variasi selanjarContinuous variation
Variasi tak selanjarDiscontinuous variation
Perbezaan tidak jelasDifference is not obvious
Perbezaan adalah jelasDifference is obvious
Variasi disebabkanoleh faktor genetik dan
persekitaranVariation is caused by
genetic and environmental factors
Variasi disebabkanoleh faktor genetik
Variation is caused bygenetic factors
Boleh diwarisiCan be inherited
Tidak boleh diwarisiCannot be inherited
(b)
(i)
Ciri s
Perbezaan adalah jelasDifference is obvious
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epunya:Common characteristic:1.2.
Variasi disebabkan oleh faktor genetikVariation is caused by genetic factors
(ii)
Konsep awal:Initial concept:Perbezaan di antara individu yang jelas dan dipengaruhi oleh faktor genetik adalah merupakan variasi tak selanjarDifferences among individuals that is obvious and is influenced by genetic factor is discontinuous variation
(iii)
Contoh variasi tak selanjar:Example of discontinuous variation:Jenis cuping telingaType of ear lobes
Contoh variasi selanjar:Example of continuous variation:KetinggianHeight
(iv)
Konsep sebenar:Actual concept:Variasi tak selanjar adalah perbezaan yang jelas di antara individu-indiviru dan dipengaruhi oleh faktor genetikDiscontinuous variation is differences among individuals that is obvious and is influenced by
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genetic factor