soalan exam pbs sains
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7/23/2019 Soalan Exam Pbs Sains
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Section A
Bahagian A
[40 marks]
[40 markah]
Answer all questions.
Jawab semua soalan.
1. (a) What is the reading of the volume of the liquid in the diagram below Apakah bacaan isi padu cecair dalam rajah dibawah?
!iagram 1.1
Rajah 1.1
""""""""".. [1 mark] [1
markah]
(b) #hoose the $orre$t tools to measure %our friend&s bod% tem'erature. Answer the questions stated below.
Pilih radas yan sesuai dan suka! suhu badan rakan anda. Jawab soalan"soalan di bawah.
!iagram 1.
Rajah 1.#
[1 mark] [1 markah]
(i) What is the fun$tion of $lini$al thermometer
Apakah keunaan !hermome!er klinik?
""""""""""""""""""""""""""""""""""""".
[1 mark] [1 markah]
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(ii) What is the normal bod% tem'erature
$erapakah suhu badan seseoran yan siha!?
"""""""""""""".. [1 mark] [1
markah]
!iagram 1.
Rajah 1.%
(iii) What is the tem'erature shown b% the above thermometer
$erapakah suhu yan di!unjukkan oleh !ermome!er di a!as?
""""""" o# [1 mark] [1
markah]
(iv) What is the t%'e of energ% that $ause the in$reasing the tem'erature on thermometer.
A'akah *enis tenaga %ang men%ebabkan kenaikan suhu 'ada thermometer
"""""""""""""""""" . [1 mark] [1
markah]
. +he diagram below shows a method that $an be used to determine the volume of a regular or
irregular,sha'ed solid. Write the volume of stone and $ork
Rajah menunjukkan kaedah yan boleh diunakan un!uk menen!ukan isi padu pepejal berben!uk
seka!a dan !idak seka!a. &uliskan isi padu ba!u dan abus i!u.
!iagram
Rajah #
a) (i) -olume of stone """"""""" 'si padu ba!u
(ii) -olume of $ork """""""""
'si padu abus
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[ marks] [# markah]
b) Wh% the $ork made to sink with the hel' of solids that $an sink
(enapakah abus perlu di!enelamkan denan ban!uan pepejal yan boleh !enelam?
"""""""""""""""""""""""""""""""""""""..
[1 mark] [1 markah]
$) +he volume of a regular and irregular,sha'ed ob*e$t $an be determined b% using the
""""""""""""""""""".. method.
'si padu objek berben!uk seka!a dan !idak seka!a dapa! di!en!ukan denan menunakan
kaedah )))))))))))))))))) .
[1 mark] [1 markah]
. (a) !iagram 1 shows three mi$roorganisms/ / and 2. Rajah 1 menunjukkan !ia oranisma* P* + dan R.
!iagram .1
Rajah %.1
3n !iagram .1/ name mi$roorganism s / and 2 using the words given the bo below.
Pada Rajah %.1* namakan oranisma P* + and R menunakan perka!aan"perka!aan yan diberi
dalam pe!ak di bawah.
[ mark] [% markah]
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(b) 5ark ( √ ) two multi$ellular organisms in boes 'rovided.
&andakan , √ - dua oranisma mul!isel dalam pe!ak yan disediakan.
!iagram .
Rajah %.#
[ mark] [# markah]
($) 5ark ( √ ) the $orre$t meaning of uni$ellular organism.&andakan , √ - maksud yan be!ul bai oranisma unisel.
[1 mark] [1 markah]
4. (a) !iagram 4.1 shows three wa%s of heat flow/ / and 2. 6ame the wa%s how heat
flow in / and 2 b% $hoosing the words given in the bo below. Rajah 4.1 menunjukkan !ia cara penaliran haba* P* + and R. amakan cara penaliran
haba bai P* + dan R denan memilih perka!aan"perka!aan di dalam ko!ak di bawah.
Radiation
Sinaran
Convection
Perolakan
Reflection
Pemantulan
Conduction
Konduksi
P
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Q
R
+able 4.1
Jadual 4.1
[ marks] [% markah]
(b) !iagram 4. shows the a''aratus set,u' to investigate the heat released at different t%'e of
surfa$e.
Rajah 4.# menunjukkan susunan radas un!uk menyiasa! pembebasan haba pada jenis
permukaan yan berbe/a.
!iagram 4.1
Rajah 4.1
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(i) After a few minutes/ $hanges in tem'erature o$$urs.
Whi$h $oni$al flask/ 9 or :/ shows the greater de$rease in tem'erature of water
elepas beberapa mini!* berlaku perubahan suhu.
elalan kon manakah* J a!au * menunjukkan penurunan suhu yan lebih besar bai
air i!u?
""""""""""""""" [1 mark] [1
markah]
(ii) ;ive one reason for the answer in 4(b)(i). $eri sa!u sebab bai jawapan di 4,b-,i-.
"""""""""""""""""""""""""""""""""""..
[1 mark] [1 markah]
($) +able 4. shows two $ontainers with different t%'es of surfa$es.
<a$h $ontainer $ontains the same volume of hot water at the same tem'erature.
Jadual 4.# menunjukkan dua bekas denan jenis permukaan yan berbe/a.
e!iap bekas menanduni isi padu air panas yan sama pada suhu yan sama.
+able 4.
Jadual 4.#
=n +able 4./ mark ( √ ) in the bo 'rovided to show the $ooler water after being e'osed to the
surrounding for five minutes.
2alam Jadual 4.#* !andakan , √ - dalam pe!ak yan disediakan un!uk menunjukkan air yan
mana lebih sejuk selepas !erdedah kepada perseki!aran selama lima mini!.
[1 mark] [1 markah]
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(d) !iagram 4. shows an oil tanker whi$h is 'ainted with silver $olour.
Rajah 4.# menunjukkan sebuah lori !anki minyak yan dica! denan warna perak.
!iagram 4. Rajah 4.#
;ive one reason wh% the oi tanker is not 'ainted bla$k.
$eri sa!u sebab menapa lori !anki minyak !idak dica! hi!am.
))))))))))))))))))))))))))))))))))))))))))).
[1 mark] [1 markah]
(e) ?tate one eam'le of the uses of heat $ondu$tor in the house.
ya!akan satu con!oh keunaan konduk!or haba di dalam rumah.
)))))))))))))))))))))))))))))))))))))))))))
[1 mark] [1 markah]
7. (a) @ased on !iagram 7.1/ state the energ% $hanges in the s'a$e 'rovided.
$erdasarkan Rajah 3.1* nya!akan perubahan !enaa yan !erliba! diruan yan disediakan.
A
#
@
!iagram 7.1
Rajah 3.1
A , @ """"""""""""""""""""""""..
B
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@ , # ."""""""""""""""""""""""".
[ marks] [# markah]
(b) 2
!iagram 7.
Rajah 3.#
@ased on the above diagram/ state the form of energ% at 2 and .
$erdasarkan ambarajah di a!as* nya!akan ben!uk !enaa pada kedudukan R dan P.
2 """""""""""""""""...
""""""""""""""""""
[ marks] [# markah]
($)
!iagram 7.
Rajah 3.%
@ased on the above diagram/ mark ( √ ) in the bo 'rovided to show the energ% $hanges
involved when the to%s $ar is released.
$erdasarkan ambar dia!as* !andakan , √ - dalam pe!ak yan disediakan un!uk
menunjukkan perubahan !enaa yan !erliba! apabila kere!a mainan i!u dilepaskan.
:ineti$ energ% to sound energ%
&enaa kine!ik kepada !enaa bunyi
:ineti$ energ% to 'otential energ%
&enaa kine!ik kepada !enaa keupayaan
otential energ% to kineti$ energ%
&enaa keupayaan kepada !enaa kine!ik
[1 mark] [1 markah]
C
:ineti$ energ%&enaa kine!ik
otential energ%&enaa keupayaan
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8. #om'lete the table below to show the effe$t of heat on the $hanges of matter.
enkapkan jadual di bawah yan menunjukkan kesan haba ke a!as perubahan jirim.
D
+able 8
Jadual 5
@oiling
Pendidihan
?ublimation
Pemejalwapan
EreeFing
Pembekuan
#ondensation
ondensasi
5elting
Peleburan
Process Proses
Change in state of matter Perubahan keadaan jirim
P ?olid to liquid
Pepejal kepada cecair
Q
R
S
T
U
[11 marks] [11 markah]
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Section B
Bahagian B
[0 marks]
[#0 markah]
Answer all questions.
Jawab semua soalan.
>. (a) !iagram >.1 shows four a$tivities to se'arate the $om'enents of a miture.
Rajah 6.1 menunjukkan empa! ak!i7i!i un!uk menasinkan komponen"komponen sa!u campuran.
!iagram >.1
Rajah 6.1
@ased on %our observation/ state the wa% to se'arate the $om'onents of the miture in / / 2 and
?.
$erdasarkan pemerha!ian anda* nya!akan cara un!uk menasinkan komponen"komponen bai
campuran dalam P* +* R dan .
.................................................................................................................
.................................................................................................................
2 .................................................................................................................
? .................................................................................................................
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[4 marks] [4 markah]
(b) !iagram >. shows four substan$es.
Rajah 6.# menunjukkan empa! bahan.
!iagram >.
Rajah 6.#
#lassif% all substan$es in !iagram >. into three grou's b% $om'leting +able >.
elaskan semua bahan dalam Rajah 6.# kepada !ia kumpulan denan melenkapkan Jadual 6.
+able >
Jadual 6
[4 marks] [4 markah]
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B. (a) !iagram B.1 shows an a''aratus set,u' to show that dark and dull surfa$e absorb heat better than
light and shin% surfa$es.
Rajah 8.# menunjukkan susunan radas un!uk menunjukkan bahawa permukaan yan elap dan
pudar lebih cekap menyerap haba berbandin denan permukaan yan cerah dan berkila!.
!iagram B.1
Rajah 8.1
+able B shows the result of this e'eriment.
Jadual 8 menunjukkan kepu!usan eksperimen ini.
+ime taken for thumbta$k to fall off (s)
,(asa yan diambil un!uk paku !ekan ja!uh ,s--
@la$k and dull metal 'late
,kepinan loam yan hi!am dan pudar-
White and shin% metal 'late
,kepinan loam yan pu!ih dan berkila!-
17 B
+able B.1
Jadual 8.1
(i) Whi$h of the thumbta$k falls off first
Paku !ekan yan manakah ja!uh dahulu?
))))))))))))))))))))))))))))))))))))))))))))
[1 mark] [1 markah]
(ii) Wh% the thumbta$k mentioned in (1) falls of first
(enapakah paku !ekan !ersebu! ja!uh dahulu?
""""""""""""""""""""""""""""""""""""""..
[1 mark] [1 markah]
(iii) What $an %ou infer from %our observation
Apakah in9erens daripada pemerha!ian anda?
""""""""""""""""""""""""""""""""""""""".
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[1 mark] [1 markah]
(v) ?tate one h%'othesis of this e'eriment.
ya!akan sa!u hipo!esis bai eksperimen ini.
)))))))))))))))))))))))))))))))))))))))).
[1 mark] [1 markah]
(vi) ?tate the variables involved in this e'eriment. ya!akan pembolehubah yan !erliba! dalam eksperimen ini.
Manipulated variale
Pembolehubah dimanipulasi
Responding variale
Pembolehubah bergerak balas
[ marks] [# markah]
(b) !iagram B. shows an a''aratus set,u' to investigate whether that dark and dull surfa$e radiateheat better than light and shin% surfa$es.
Rajah 8.# menunjukkan susunan radas un!uk menyiasa! sama ada permukaan yan elap dan
pudar lebih cekap menyinarkan haba berbandin denan permukaan yan cerah dan berkila!.
!iagram B.
Rajah 8.#
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+able B. shows the result of this e'eriment.
Jadual 8.# menunjukkan kepu!usan eksperimen ini.
T!pe of surface
Jenis permukaan
Temperature "#C$
Suhu ( OC)%ecrease in
Temperature
Penurunan suhu
&nitial Temperature
Suhu Awal
'inal Temperature
Suhu Akhir !ark and dull
:elap dan pudar 70 7
Gight and shin%
;erah dan berkila! 70 >
+able B.
Jadual 8.#
(i) 3n the +able B./ re$ord the reading of de$reasing in tem'erature in the s'a$e 'rovided.
Pada Jadual 8.#* rekodkan bacaan punurunan suhu dalam ruanan yan disediakan.
[ marks] [# markah](ii) Whi$h flask loses more heat
elalan manakah yan membebaskan haba lebih banyak?
"""""""""""""""""""""""""""""""""""".
[1 mark] [1 markah]
(iii) How is heat lost b% the flasks
$aaimanakah haba dibebaskan oleh kelalan"kelalan i!u?
""""""""""""""""""""""""""""""""""""".
[1 mark] [1 markah]
(iv) <'lained how the hot water in a thermos flask remains hot for several hours.
&erankan baaimana air panas dalam kelalan !ermos kekal panas selama beberapa jam.
+he internal surfa$e of a thermos flask is shin%/ so ver% little heat lost through
""""""""""".. .
Permukaan dalam kelalan !ermos berkila!* maka sana! sediki! haba yan dibebaskan
melalui )))))))))))))..
[1 mark] [1 markah]
(v) What is the $on$lusion for this e'eriment
Apakah kesimpulan bai eksperimen ini?
"""""""""""""""""""""""""""""""""""""
[1 mark] [1 markah]
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()% #' QU(ST&#) PAP(R
K!"AS SOA#A$ "A%A"
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