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1511/2Sains Nama : ................................................................. Tingkatan : ...........................Kertas 22015
JABATAN PELAJARAN NEGERI JOHOR
GERAK GEMPUR SET 2
SAINS
Kertas 2
Satu jam tiga puluh minit
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Tulis nama dan tingkatan di ruangan yang disediakan di bahagian atas muka surat ini.
2. Jawab semua soalan dalam Bahagian A
3. Tulis jawapan pada ruangan jawapan yang disediakan pada kertas soalan. Kertas tulis tambahan sekiranya digunakan, perlu diikat bersama dengan buku soalan ini.
4. Langkah mengira hendaklah ditunjukkan.
5. Markah bagi setiap ceraian soalan ditunjukkan di dalam kurungan [ ].
6. Rajah tidak dilukis mengikut skala kecuali dinyatakan.
7. Penggunaan kalkulator saintifik yang tidak boleh diprogramkan adalah dibenar.
Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah
A
1
2
3
4
5
6
7
8
9
10
11
12
Jumlah
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
Section A
[ 20 marks]
Answer all questions. Jawab semua soalan
1 Diagram 1 shows the experiment to study the effect of pH value on the growth of bacteria. Rajah 1 menunjukkan eksperimen untuk mengkaji kesan niali pH terhadap terhadap pertumbuhan
bakteria.
DIAGRAM 1
RAJAH 1
(a) State one hypothesis for this experiment. Nyatakan satu hipotesis untuk eksperimen ini. ...................................................................................................................................................
[1 mark] (b) State the variables in this experiment.
Nyatakan pemboleh ubah untuk eksperimen ini.
i. Manipulated variable: .................................................................................................................. Pemboleh ubah dimanipulasi [1 mark]
ii. Responding variable: ................................................................................................................... Pemboleh ubah bergerakbalas [1 mark]
iii. Controlled variable: ..................................................................................................................... Pemboleh ubah dimalarkan [1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
2
Bubur nutrient + kultur bacteria + 3 cm3 air suling
Bubur nutrient + kultur bacteria + 3 cm3 asid hidroklorik 0.1 mol dm-3
Bubur nutrient + kultur bacteria + 3 cm3 natrium hidroksida 0.1 mol dm-3
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(a) Mark (√) for the microorganism which were used in the experiment.Tandakan (√) bagi mikroorganisma yang telah digunakan di dalam eksperimen di atas.
[1 mark]
2 Diagram 2 shows a ticker tape obtained from the motion of a trolley down an incline plane.Rajah 2 menunjuk satu pita detik yang diperoleh daripada pergerakan sebuah troli menuruni landasan.
DIAGRAM 2RAJAH 2
(a) Measure the length of each section of the ticker tape in Diagram 4 and record data in Table . Ukur panjang setiap keratan pada pita detik dalam Rajah 4 dan rekod data dalam jadual
Ticker tape section/ bahagian pita detik
1 2 3 4
Length/ panjang /cm
TABLE 2 [2 marks ]JADUAL 2
(b) Using data in Table 2, draw a bar chart the length of section of the ticker tape.Dengan menggunakan data Jadual 2, lukiskan carta bar panjang setiap bahagian pita detik.
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
3
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(c ) Using your bar chart in (b) state the type of movement made by the trolley.Menggunakan carta bar di (b), nyatakan jenis gerakan troli.
.......................................................................................................................................................[1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
4
Length of section /cmPanjang keratan /cm
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
3 Diagram 3 shows set up of apparatus used to prepare ethanol from the fermentation process.Rajah 3 menunjukkan radas yang digunakan untuk menyediakan etanol daripada proses penapaian.
DIAGRAM 3RAJAH 3
(a) Based on diagram 3, what is your observation on the lime water?Berdasarkan rajah 3, apakah pemerhatian yang dapat dibuat ke atas air kapur?
………………………………………………………………………………………………….[ 1 mark ]
(b) State one inference for this experiment.Nyatakan satu inference bagi eksperiment ini.
…………………………………………………………………………………………………..
…………………………………………………………………………………………………..[ 1 mark ]
(c ) State the variable in this experiment.Nyatakan pembolehubah dalam eksperimen ini(i) constant variable :
Pembolehubah ditetapkan
……………………………………………………………………………………………[1 mark]
(ii) manipulated variable :Pembolehubah yang dimanipulasi :
...............................................................................................................................
[1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
5
Chalky lime waterAir kapur keruh
Glucose solution + yeast
Larutan glukosa + yis
Glucose solution + distilled water
Larutan glukosa + air suling
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(d) State the operational definition for fermentation.Nyatakan definasi secara operasi bagi penapaian
…………………………………………………………………………………………………..
…………………………………………………………………………………………………..[1 mark]
4. Diagram 4 shows an experiment to investigate the heat resistance for two type of plastic. The result of the experiment is recorded in table 4.Rajah 4 menunjukkan satu eksperimen untuk menguji kesan rintangan haba ke atas dua jenis plastik.Keputusan eksperimen direkodkan dalam Jadual 4.
DIAGRAM 4RAJAH 4
Type of plastic / jenis plastik
Observation / pemerhatian
Perspeks Melt / cairBakelite Does not melt / tidak cair
TABLE 4JADUAL 4
(a) Based on Table 4 state one inference for this experiment.Berdasarkan Jadual 4 nyatakan satu inferens untuk eksperimen ini.…………………………………………………………………………………………………..
[1 mark](b) State the variables in this experiment
Nyatakan pembolehuah-pembolehubah dalam eksperimen ini.
(i) Manipulated variablePembolehubah dimanipulasikan
………………………………………………………………………………………………………(ii) Responding variable
Pembolehubah bergerak-balas
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
6
dipanaskan dipanaskan
Tabung didih
Tabung didih
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
………………………………………………………………………………………………..... [2 marks]
(c) Perspex is a thermoplastic.State the operational definition for thermoplastic.Perspeks adalah termoplastikNyatakan definisi secara operasi bagi palstik
.……………………………………………………………………………………………….............................
................................................................................................................................................... [1 mark]
(d) Mark ( ) the objects which are made of thermoplasticTandakan () objek yang diperbuat daripada termoplastik
5. A group students had collected several leaves from a tree. Data obtained is shown in Table 1.1
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
7
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
Sekumpulan pelajar telah mengumpul sejumlah daun daripada sepohon pokok. Data yang diperoleh ditunjukkan dalam Jadual.:
TABLE 1.1RAJAH 1.1
(a) Using the data in Table 1.1, complete Table 1.2 Gunakan data di atas untuk melengkapkan Jadual 1.2
Length of leaves(cm)Panjang daun (cm)
4-6 7-9 10-12 13-15 16-18 19-21 22-24
Bilangan daunNumber of leaves
TABLE 1.2JADUAL 1.2 [ 2 marks ]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
8
16 13 14 20 10 16 14 17
21 19 8 20 15 18 11 15
7 18 14 15 16 12 13 15
4 23 8 10 20 14 15 7
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(b) Based on the information in Table 1.2, draw a bar graph to show the number of leaves against length of leavesBerdasarkan maklumat dalam Jadual 1.2 , lukiskan graf palang yang menunjukkan bilangan daun melawan panjang daun
(c) Write a conclusion on the type of variation based on the bar chart in (b)Tuliskan kesimpulan tentang jenis variasi berdasarkan graf bar pada (b)
……………………………………………………………………………………[ 1 mark ]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Number of leavesBilangan daun
Length of leaves/ cmPanjang daun /cm
4
2
6 6
8
10
12
4-6 7- 9 10-12 13-15 16-18 19- 21 22-24
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
6. Diagram 2.1 and Diagram 2.2 show an experiment to study the focal length between two different thicknesses of convex lenses. Rajah 2.1 dan rajah 2.2 menunjukkan eksperiment untuk mengkaji jarak fokus antara dua kanta cembung yang berlainan ketebalan.
Table 2 shows the result of the experiment.Jadual 2 menunjukkan keputusan eksperimen.
Thickness of lensesKetebalan Kanta
Focal length, f(cm)Jarak focus
ThinNipis
15
ThickTebal
TABLE 2JADUAL 2
(a) State the hypothesis for this experiment.Nyatakan hipotesis bagi eksperiment ini.
………………………………………………………………………………………….
………………………………………………………………………………………….[1 mark]
(b) Measure the focal length in diagram 2.2 Anggarkan jarak fokus dalam rajah 2.2 [1 mark]
(c) State the variables in this experiment.
Nyatakan pemboleh ubah bagi eksperimen ini.
i. Manipulated variable: …………………………………………………..Pemboleh ubah yang dimanipulasikan
ii. Responding variable:……………………………………………………Pemboleh ubah yang bergerak balas
[ 2 marks](d) What is the operational definition of focal length?
Apakah definisi secara operasi bagi jarak fokus?
………………………………………………………………………………………….[1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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DIAGRAM 2.1RAJAH 2.1
DIAGRAM 2.2RAJAH 2.2
Kanta cembungKanta cembung
skrinskrin
Titik fokusTitik fokus
Pembaris
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
7. Diagram 3 shows an investigation to study the resistance of alloys to rusting. Rajah 3 menunjukkan penyelidikan untuk mengkaji ketahanan aloi terhadap pengaratan.
DIAGRAM 3 RAJAH 3
The result is recorded after five days as in Table 3. Keputusan direkodkan selepas lima hari dalam Jadual 3.
Types of nailsJenis paku
ObservationPemerhatian
Iron nailPaku besi
Red-brown dust appears on the surfaceSerbuk merah-perang terbentuk di permukaannya
Steel nailPaku keluli
No changes on the surfaceTiada perubahan pada permukaannya
TABLE 3 JADUAL 3
(a) Give an inference for your observation on the steel nail. Berikan inferens untuk pemerhatian anda ke atas paku keluli.
.................................................................................................................................... [1 mark]
(b) Based on your answer in (a) , state one use of alloys. Berdasarkan jawapan anda di (a), nyatakan satu kegunaan aloi.
.................................................................................................................................... [1 mark] (c) In this investigation, name the
Dalam kajian ini, namakan
i. manipulated variable: ............................................................................................. pemboleh ubah dimanipulasikan [1 mark]
ii. responding variable: .............................................................................................. pemboleh ubah bergerak balas [1 mark]
(d) Write down one observation form this experiment? Tuliskan satu pemerhatian daripada eksperimen di atas? ....................................................................................................................................... ....................................................................................................................................... [1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
8. Diagram 4.1 and 4.2 shows an experiment to study the relationship between pressure and surface area. Rajah 4.1 dan 4.3 menunjukkan satu eksperimen untuk mengkaji hubungan antara tekanan dengan luas permukaan
The depth of the dent form on the plasticine is measured and recorded in Table 4Kedalaman lekuk yang terbentuk ke atas plastisin diukur dan direkod dalam Jadual 4.
Surface area of blockLuas Permukaan blok
kayu (cm2)
Depth of dent on plasticine Kedalaman lekuk pada plastisin
(mm)1 405 10
TA BLE 4JADUAL 4
(a) State the hypothesis that can be made from this experiment.Nyatakan satu hipotesis yang boleh dibuat daripada eksperimen ini.
.....................................................................................................................[ 1 mark ]
(b) State one inference for this experiment. Nyatakan satu inferens bagi eksperimen ini.
……………………………………………………………………………………. [ 1 mark ]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
12
DIAGRAM 4.1RAJAH 4.1
DIAGRAM 4.2RAJAH 4.2
weight
Wooden blockWooden block
weight
DIAGRAM 4.2RAJAH 4.2
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(c) State the variables in this experiment. Nyatakan pembolehubah dalam eksperimen ini.
(i) Pembolehubah dimanipulasikan:………………………………………manipulated variable
(ii) Pembolehubah bergerakbalas:………………………………………...responding variable
[ 2 marks ]
(d) State the operational definition for pressure.Nyatakan definisi secara operasi bagi tekanan.
……………………………………………………………………………………..
……………………………………………………………………………………..[1 mark ]
9. Diagram 3 shows an experiment to study the effect of impurities on the boiling point of distilled water.Rajah 1 menunjukkan eksperimen untuk mengkaji kesan bendasing ke atas takat didih air suling.
Diagram 3Rajah 3
The result of the experiment are recorded in Table 1. Keputusan yang diperoleh dicatatkan dalam Jadual 1.
SubstancesBahan
Boiling point/oCTakat didih/oC
Distilled waterAir suling 100
Distilled water + common saltAir suling + garam biasa .......................
Table 1Jadual 1
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
13
Common salt(Garam biasa)
Thermometer(Termometer) Common salt
(Garam biasa)
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
a) Based on the above experiment, complete Table 1. Berdasarkan eksperimen di atas, lengkapkan Jadual 1.
[1 mark] b) Write down one inference based on the results of this experiment.
Tuliskan satu inferens berdasarkan keputusan eksperimen itu.
__________________________________________________________________________[ 1 mark]
c) State the variables in this experiment. Nyatakan pemboleh ubah dalam eksperimen itu.
i) Manipulated variable : ______________________________________________ Pemboleh ubah dimanipulasikan
ii) Responding variable : ______________________________________________ Pemboleh ubah bergerak balas
[2 marks] d) What is the operational definition of distilled water?
Apakah definisi secara operasi bagi air suling?
_________________________________________________________________________[1 mark]
10. Table 4 shows the result of an experiment to study the effect of temperature on bacterial growth.Jadual 1 menunjukkan keputusan eksperimen untuk mengkaji kesan suhu terhadap pertumbuhan bacteria.
Temperature/oCSuhu/oC
Size of bacteria colony after 24 hours/mm
Saiz koloni bacteria selepas 24 jam/mm
0 215 525 1035 1560 3
TABLE 4
(a) State one hypothesis for this experiment. Nyatakan satu hipotesis bagi eksperimen ini.
_______________________________________________________________ [1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(b) (i) Based on Table 2, draw a graph to show the relationship between the size of bacterial colony and temperature.Berdasarkan Jadual 1, lukiskan graf menunjukkan hubungan antara saiz koloni bacteria dengan suhu.
(ii) Based on the graph, state the optimum temperature for bacterial growth. Berdasarkan graf, nyatakan suhu optimum untuk pertumbuhan bacteria.
________________________________________________________ [1 marks]
(iii) Predict the size of bacterial colony at 75oC. Ramalkan saiz koloni bacteria pada suhu 75oC.
_________________________________________________________[1 marks]
(c) State the variables in this experiment. Nyatakan pemboleh ubah dalam eksperimen itu.
i) Manipulated variable : ______________________________________________ Pemboleh ubah dimanipulasikan
ii) Responding variable : ______________________________________________ Pemboleh ubah bergerak balas
[2 marks]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
11. Diagram 4 shows an experiment to study the reaction between metals and dilute acid. Rajah 4 menunjukkan eksperimen untuk mengkaji tindakbalas antara logam dan asid.
DIAGRAM 4
The volume of gas collected is recorded in Table 2.Isipadu gas yang terkumpul dicatatkan di dalam Jadual 2.
Type of metal The volume of the gas collected ( cm3 )
P 8Q 6R 3S 0
Table 2
(a) What is the inference for this experiment ? Apakah inferens untuk eksperimen ini ?
…………………………………………………………………………….[ 1 mark ]
(b) Based on the results, which is the most reactive substance ? Berdasarkan keputusan, yang manakah merupakan bahan yang paling reaktif ?
……………………………………………………………………………..[ 1 mark ]
(c) Arrange the metals in ascending order according to the reactivity with acid. Susun logam-logam di dalam siri kereaktifan secara menaik.
………………………………………………………………………………[ 1 mark ]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
16
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(d) State the variables for this experiment. Nyatakan pemboleh-ubah di dalam eksperimen ini.
(i) Manipulated variable Pemboleh-ubah manipulasi ……………………………………………………………………………[ 1 mark ]
(ii) Responding variable Pemboleh-ubah bergerakbalas
…………………………………………………………………………...[ 1 mark ]
12. Diagram 1.1 and Diagram 1.2 show the experiment to study the collision between with different velocity. Rajah 1.1 dan Rajah 1.2 menunjukkan eksperimen untuk mengkaji perlanggaran antara troli berlainan halaju.
(a) State the observation based on the result of the experiment. Nyatakan pemerhatian berdasarkan hasil eksperimen tersebut.
.......................................................................................................................................
.......................................................................................................................................[1 markah]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Block displacementAnjakan bongkah
After collisionSelepas perlanggaran
Before collisonSebelum perlanggaran
Diagram 1.1Rajah 1.1
Diagram 1.2Rajah 1.2
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(b) Write down one inference based on the results of this experiment. Tuliskan satu inferens berdasarkan keputusan eksperimen ini.
.........................................................................................................................................
......................................................................................................................................... [1 markah]
(c) State the following variables in this experiment. Nyatakan pembolehubah berikut dalam eksperimen ini.
i) Manipulated variable:Pembolehubah dimanipulasi
.................................................................................................................................[1 markah]
ii) Responding variable:Pembolehubah bergerakbalas
.................................................................................................................................[1 markah]
iii) Constant variable:Pembolehubah dimalarkan
.................................................................................................................................[1 markah]
(d) Write one suitable hypothesis for this experiment. Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.
.......................................................................................................................................
.......................................................................................................................................[1 markah]
(e) State the operational definition of momentum. Nyatakan definisi secara operasi bagi momentum.
.........................................................................................................................................
.........................................................................................................................................[1 markah]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
18
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(f) Mark (√) the objects which apply the concept of momentum. Tandakan (√) objek yang mengaplikasikan konsep momentum.
[1 markah]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
19
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
SECTION BBAHAGIAN B [ 30 marks ]Answer all questionsJawab semua soalan
5 Diagram 5 shows stages in a cell divisionRajah 5 menunjukkan peringkat-peringkat pembahagian sel
P
(a) (i) Name the cell division shown in Diagram 5.Namakan jenis pembahagian sel yang ditunjukkan dalam Rajah 5
.……………………………………………………………………………………………………..[ 1 mark ]
(ii) Explain your answer in (a)(i).Jelaskan jawapan anda di (a) (i)
.……………………………………………………………………………...................................[ 1 mark ]
(b) Arrange the stages of cell division according to the correct sequence.Susunkan peringkat-peringkat proses pembahagian sel mengikut urutan yang betul.
[ 1 mark ](c) Name structure P.
Namakan struktur P.
……………………………………………………………………………………………………….[ 1 mark ]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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DIAGRAM 5 RAJAH 5
P
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(d) State where this type of cell division occur.
Nyatakan dimanakah pembahagian sel jenis ini berlaku.
……………………………………………………………………………………………………………[ 1 mark ]
(e) State one importance of this type of cell division.Nyatakan satu kepentingan pembahagian sel jenis ini
……………………………………………………………………………………………………………[ 1 mark ]
6 Diagram 6 show an object placed in front of plane mirrorRajah 6 menunjukkan suatu objek diletakkan di hadapan cermin satah
DIAGRAM 6RAJAH 6
(a) In figure 6, draw the image formed on the plane mirror.Dalam rajah 6, lukiskan imej yang terbentuk pada cermin satah
…………………………………………………………………………………………………………[1 mark]
(b) State three characteristic of image formed.Nyatakan tiga ciri-ciri imej yang terbentuk.
(i)………………………………………………………………………………………………………
(ii)……………………………………………………………………………………………………..
(iii)……………………………………………………………………………………………………..[ 3 marks ]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
21
X Y
ImageImej
Object Objek
Plain mirrorCermin satah
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(c) What is the relationship between the distance X and Y?Apakah hubungan antara jarak X dan Y?
…………………………………………………………………………………………………………[ 1 mark]
(d) Mark with a thick () the optical instrument that used this principle.Tandakan ( ) alatan optic yang menggunakan prinsip ini.
[ 1 mark]
7 Diagram 7 shows the arrangement of atoms in substance P. Rajah 7 menunjukkan susunan atom dalam suatu bahan P.
Iron atom
Carbon atom
DIAGRAM 7
RAJAH 7
(a) Name substance P.Namakan bahan P . ..........................................................................................................................................
[1 mark](b) What is the process which formed substance P?
Apakah proses yang membentuk bahan P?
.......................................................................................................................................... [1 mark]
(c) What is the function of carbon atom in substance P?Apakah fungsi atom karbon dalam bahan P?
.........................................................................................................................................
........................................................................................................................................ [1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(d) State two characteristics of substance P. Nyatakan dua ciri bahan P.
............................................................................................................................................
......................................................................................................................................... [2 marks]
(e) State one use of substance P.Nyatakan kegunaan bahan P.
........................................................................................................................................... [1 mark]
8.. Diagram 8 shows the energy requirement of a man and a woman in three occupationRajah 8 menunjukkan keperluan tenaga bagi lelaki dan perempuan dalam tiga pekerjaan.
DIAGRAM 8 RAJAH 8
(a) State the energy requirement by a male teacher.Nyatakan keperluan tenaga yang diperlukan oleh guru lelaki.
……………………………………………………………………………………………………………….. [1 mark]
(b) (i) Which occupation requires the highest amount of energy?Pekerjaan manakah yang memerlukan tenaga paling banyak?
…………………………………………………………………………………………………… [1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(ii) Suggest two classes of food that should be eaten in bigger quantities to meet this energy requirement.
Cadangkan dua kelas makanan yang patut diambil dalam kuantiti yang banyak untuk memenuhi keperluan tenga ini.
……………………………………………………………………………………………………[2 mark]
(c) (i) Based on diagram 8 which gender require more energy?Berdasarkan rajah 8 jantina manakah yang memerlukan lebih tenaga?
……………………………………………………………………………………………………… [1marks]
(ii) Explain your answer in (c) (i) Terangkan jawapan anda berasaskan (c)(i)
……………………………………………………………………………………………………… [1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
9 Diagram 9.1 and Diagram 9.2 show food labels of two different wholemeal bread. Rajah 9.1 dan Rajah 9.2 menunjukkan label dua jenis roti gandum yang berbeza.
DIAGRAM 9.2RAJAH 9.2
(a) What information are missing from the food labels ofApakah maklumat yang tidak dinyatakan pada label
(i) diagram 9.1 rajah 9.1
……………………………………………………………………………………................................[1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Nutritional InformationEvery 100g
INGREDIENT
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
(ii) diagram 9.2rajah 9.2
……………………………………………………………………………………………………………[1 mark]
(b) (i) State one flavour that had been added to these two breads.Namakan satu perisa yang ditambah kepada kedua-dua roti ini.
……………………………………………………………………………………………………………[1 mark]
(ii) What is the function. of flavour in b(i)?Apakah fungsi perisa di (b)?
……………………………………………………………………………………………………………[1 mark]
(c) (i) Which bread is better for a good health?Roti manakah yang lebih baik untuk kesihatan? Berikan alasan.
……………………………………………………………………………………………………………[1 mark]
(ii) Give a reason for your answer in c(i)Berikan alasan untuk jawapan anda dalam c(i)
……………………………………………………………………………………………………………[1 mark]
_________________________________________________________________________________________________________Jabatan Pendidikan Negeri Johor
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
Section C[ 20 marks ]
Answer Question 10 and either Question 11 or Question 12Jawab Soalan 10 dan samada Soalan 11 atau Soalan 12
10 Study the following statement:Kaji pernyataan berikut:
Movement of an object is affected by its massGerakan sesuatu objek dipengaruhi oleh jisimnya
Your are given two tins which have the same size and sandAnda diberikan dua buah tin yang sama saiz dan pasir.
(a) Suggest one hypothesis to investigate the above statement.Cadangkan satu hipotesis untuk menyiasat pernyataan di atas.
[ 1markah ]
(b) Describe an experiment to test your hypothesis based on the following criteria.Huraikan satu rangka kerja eksperimen untuk menguji hipotesis anda berpandukan kriteria berikut:
(i) Aim of the experimentTujuan eksperimen [ 1 markah ]
(ii) Identification of variablesMengenalpasti pembolehubah [ 2 markah ]
(iii) List of apparatus ands materials Senarai radas dan bahan [ 1 markah ]
(iv) ProcedureKaedah [ 3 markah ]
(v) Tabulation of dataPenjadualan data [ 1 markah ]
(vi) ConclusionRumusan [ 1 markah ]
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Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
11 (a) State the differences between thermoplastics and thermosets.Nyatakan perbezaan antara thermoplastic dan plastik termoset.
[ 4 marks ]
(b) Diagram 11 shows the uses of plastic in daily life.Rajah 11 menunjukkan kegunaan plastik dalam kehidupan seharian
DIAGRAM 11RAJAH 10
Study the above Diagram. You are required to develop of concept of thermoplasticsKaji Rajah di atas. Anda dikehendaki membina suatu konsep tentang termoplastik
Your answer should be based on the following aspects:Jawapan anda hendaklah berdasarkan aspek berikut:
Identify the information [1 mark ] Mengenalpasti maklumat
Identify two common characteristics of thermoplastics [2 marks] Kenal pasti dua ciri sepunya termoplastik
Give one other example and one reason [1mark ] Beri satu contoh lain dan satu sebab
Give one non-example and one reason [1 mark] Beri satu bukan contoh dan satu sebab
State the actual concept of thermoplastics [1 mark ] Menyatakan konsep sebenar termoplastik
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Uses of Thermoplastics
Kegunaan termoplastikIdentification card
Kad pengenalan
Plastic bottleBotol plastik
Pail Baldi
Gerak Gempur Sains [set 2]_____________________________________________________________________________________________________________
12 (a) Mona finds that she is obese.State and explain two methods that she can overcome her problems .Mona mendapati dirinya mengalami obesiti.Nyatakan dan terangkan dua cara di mana beliau boleh mengatasi masalahnya.
[4 marks]
(b) Mona also has other health problem resulting from unhealthy eating habits such as heart problem and diabetes.Explain how to overcome the health problem .Your answer should include the followingMona juga mengalami masalah kesihatan berikutan habit pemakanannya yang tidak sihat seperti masalah jantung dan diabetes.Terangkan bagaimana cara untuk mengatasi masalah kesihatannya.Jawapan anda sepatutnya meliputi perkara-perkara berikut.
Identify the problem Mengenalpasti masalah [1 mark]
Clarification of the problemMengklasifikasikan masalah [1 mark]
Methods of solvingKaedah penyelesaian masalah [3 marks]
Choose the best method and explain your choicePilih satu kaedah dan terangkan jawapan anda. [1 mark]
END OF QUESTION PAPERKERTAS SOALAN TAMAT
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