Topik Demi Topik SC Tg3

Persediaan Awal Sebelum Ujian Akhir Sesi Akademik Demi Pentaksiran (Dwibahasa) SAINS UASA TERKINI Berdasarkan Format Tee Hock Tian 3 TINGKATAN KSSM

Kandungan 1 – 6 Praktis 1 Bab 1 Rangsangan dan Gerak Balas 7 – 12 Praktis 2 Bab 2 Respirasi 13 – 19 Praktis 3 Bab 3 Pengangkutan 20 – 25 Praktis 4 Bab 4 Kereaktifan Logam 26 – 30 Praktis 5 Bab 5 Termokimia 31 – 36 Praktis 6 Bab 6 Elektrik dan Kemagnetan 37 – 42 Praktis 7 Bab 7 Tenaga dan Kuasa 43 – 48 Praktis 8 Bab 8 Keradioaktifan 49 – 53 Praktis 9 Bab 9 Cuaca Angkasa Lepas 54 – 58 Praktis 10 Bab 10 Penerokaan Angkasa Lepas Jawapan J1 – J8 Ujian Akhir Sesi Akademik (UASA) 59 – 78 CONTOH

 1. Nyatakan tindakan luar kawal yang melibatkan saraf tunjang. State the involuntary action which involves the spinal cord. A Bersin / Sneezing B Peristalsis / Peristalsis C Pernafasan / Breathing D Denyutan jantung / Heartbeat 2. Rajah 2 menunjukkan suatu mata. Diagram 2 shows an eye. X Rajah / Diagram 2 Nyatakan fungsi bagi X. State the function of X. A Bahagian berwarna mata Coloured part of the eye B Memegang kanta mata pada kedudukan Holds the eye lens at its position C Mengawal kuantiti cahaya yang memasuki mata / Control the amount of light entering the eye D Bendalir yang mengekalkan bentuk bola mata / Fluid which maintains the shape of the eyeball 3. Manakah struktur telinga berikut yang mengimbangkan tekanan udara di keduadua belah gegendang telinga? Which of the following ear structure helps to balance the air pressure on both sides of the eardrum? A Koklea / Cochlea B Osikel / Ossicles C Jendela bujur / Oval window D Tiub Eustachio / Eustachian tube 4. Rajah 4 menunjukkan bahagian lidah yang berbeza. / Diagram 4 shows the different parts of a tongue. Rajah / Diagram 4 Antara bahagian A, B, C dan D, bahagian manakah mengesan rasa pahit? Among the parts A, B, C and D, which part detects the bitter taste? 5. Manakah struktur mata berikut yang menghasilkan impuls? / Which of the following eye structure produces impulses? A Tunas rasa C Bintik buta Taste buds Blind spot B Fotoreseptor D Saraf optik Photoreceptor Optic nerve 6. Nyatakan sebab mengapa hujung jari adalah sangat peka terhadap sentuhan. State the reason why the finger tip is very sensitive to touch. A Epidermis yang lebih tebal Thicker epidermis B Lebih banyak reseptor More receptors Nama: Tarikh: Praktis 1 Rangsangan dan Gerak Balas Bab 1 Hal. Buku Teks: 2 – 43 CONTOH

 C Lebih banyak lemak di bawah dermis More fat below the dermis D Luas permukaan lebih kecil Smaller surface area 7. Rajah 7 menunjukkan suatu kecacatan penglihatan. Diagram 7 shows a vision defect. Rajah / Diagram 7 Apakah jenis kanta digunakan untuk membetulkan kecacatan itu? What type of lens is used to correct the defect? A Kanta silinder C Kanta cekung Cylindrical lens Concave lens B Kanta cembung D Kanta cermin Convex lens Mirror lens 8. Rajah 8 menunjukkan suatu stetoskop. Diagram 8 shows a stethoscope. Rajah / Diagram 8 Alat itu digunakan untuk mengatasi had keupayaan / It is use to overcome the limitation of A rasa C penglihatan taste sight B sentuhan D pendengaran touch hearing 9. Rajah 9 menunjukkan suatu eksperimen untuk mengkaji gerak balas akar dan pucuk anak benih masing-masing terhadap air dan cahaya. Diagram 9 shows an experiment to study the response of roots and shoots of seedlings to water and light respectively. Rajah / Diagram 9 Susunan radas itu disimpan dalam suatu almari gelap selama empat hari. Nyatakan tropisme betul yang ditunjukkan oleh akar dan pucuk. The apparatus arrangement is kept in a dark cupboard for four days. State the correct tropism shown by the roots and shoots. Akar Root Pucuk Shoot A Hidrotropisme positif / Positive hydrotropism Fototropisme positif / Positive phototropism B Hidrotropisme positif / Positive hydrotropism Fototropisme negatif / Negative phototropism C Hidrotropisme negatif / Negative hydrotropism Fototropisme negatif / Negative phototropism D Hidrotropisme negatif / Negative hydrotropism Fototropisme positif / Positive phototropism 10. Nyatakan rangsangan yang membolehkan tumbuhan timun untuk memanjat suatu pagar untuk mendapatkan sokongan. State the stimulus that enables the cucumber plant to climb a fence for support. A Air C Sentuhan Water Touch B Cahaya D Bahan kimia Light Chemical CONTOH

 11. Nyatakan julat pendengaran bagi manusia. State the hearing range of human beings. A 10 – 20 HZ B 100 – 2 000 HZ C 20 – 20 000 HZ D 20 000 – 50 000 HZ 12. Manakah haiwan berikut menghasilkan feromon sebagai gerak balas terhadap rangsangan? Which of the following animals produces pheromone as a response to stimulus? A Ikan bawal C Lalat Pomfret Housefly B Burung D Lebah madu Bird Honey bee 1. (a) Gariskan tindakan luar kawal. / Underline the involuntary actions. 1.1.2 Berenang / Swimming Pernafasan / Breathing Berlari / Running Rembesan air liur / Secretion of saliva (b) Padankan setiap struktur mata berikut dengan fungsinya. Match each of the following structures of eye to its function. 1.2.1 Kanta mata Eye lens Bukaan untuk kemasukan cahaya Opening for the light to enter Mengawal saiz pupil Control the size of pupil Iris Memfokuskan cahaya dari objek ke retina Focus the light from the object to the retina 2. (a) Tandakan (3) pernyataan yang benar mengenai deria bau. Mark (3) the true statement on sense of smell. 1.2.1 Sel deria bau terletak di bahagian bawah rongga hidung. Smell receptors are located at the bottom of nasal cavity. Mukus dirembeskan oleh kelenjar di rongga hidung. Mucus is secreted by the glands in the nasal cavity. Zarah-zarah kimia dalam udara melarut dalam mukus dan merangsang sel deria bau. / The chemical particles in the air dissolve in mucus and stimulate the smell receptors. (i) Manusia dan kebanyakan haiwan pemangsa mempunyai penglihatan stereoskopik. Human and most predators have stereoscopic vision. (ii) (iii) CONTOH

 (b) Padankan setiap kecacatan penglihatan berikut dengan kaedah pembetulannya. Match each of the following vision defects to the corrective method. 1.2.4 Rabun dekat Long sightedness Menggunakan kanta silinder Using cylindrical lens Menggunakan kanta cembung Using convex lens Astigmatisme Astigmatism Menggunakan kanta cekung Using concave lens 3. (a) Rajah 3 menunjukkan suatu tumbuhan yang tumbuh di sebelah kolam. Diagram 3 shows a plant grows next to the pond. Rajah / Diagram 3 (b) Bulatkan haiwan yang betul. / Circle the correct animal. 1.4.1 P: Q: Penglihatan / Vision Stereoskopik / Stereoscopic Contoh / Example Kambing / Goat Musang / Fox Contoh / Example Ikan siakap / Sea perch Burung hantu / Owl Monokular / Monocular Nyatakan jenis tropisme yang ditunjukkan dalam Rajah 3. State the type of tropism shown in Diagram 3. 1.3.1 Melalui pendengaran stereofonik, kita boleh menentukan arah bunyi dengan tepat. Through stereophonic hearing, we can determine accurately the direction of sound. CONTOH

 4. Rajah 4.1 menunjukkan keratan rentas bagi kulit manusia. P, Q, R, S dan T mewakili lima jenis reseptor. / Diagram 4.1 shows the cross section of the human skin. P, Q, R, S and T represent five types of receptors. (c) Rajah 4.2 menunjukkan seorang murid yang berasa sangat panas. Diagram 4.2 shows a student who feels very hot. (d) Doktor biasanya menyuntik pesakitnya di lengan. Berikan dua sebab untuk tindakan doktor itu. / Doctors usually inject the patients in the arms. Give two reasons for the doctors’ action. 1.2.3 Menilai (e) Rajah 4.3 menunjukkan beberapa huruf dalam sistem penulisan Braille. Diagram 4.3 shows some letters in Braille writing system. Terangkan fungsi reseptor pada dermis bagi situasi yang diberi. Explain the function of the receptors in the dermis for the given situation. 1.2.1 Bahagian manakah pada badan yang digunakan oleh orang buta untuk membaca Braille? / Which part of the body is used by the blind to read Braille? Rajah / Diagram 4.1 Liang peluh Sweat pore Epidermis Lapisan lemak Layer of fat tissue X Kelenjar peluh Sweat gland Kapilari darah Blood capillary P Q R S T Rambut Hair Rajah / Diagram 4.2 Rajah / Diagram 4.3 B D P Y (a) Namakan bahagian X. / Name part X. 1.2.1 (b) Nyatakan reseptor yang mengesan State the receptor which detects 1.2.1 (i) tekanan. / pressure. (ii) kesakitan. / pain. CONTOH

 5. Rajah 5 menunjukkan suatu penyiasatan untuk mengkaji gerak balas tumbuhan terhadap graviti atau geotropisme. / Diagram 5 shows an investigation to study the response of plants towards gravity or geotropism. (a) Nyatakan pemboleh ubah berikut. / State the following variable. 1.3.3 (i) Pemboleh ubah dimanipulasikan / Manipulated variable (ii) Pemboleh ubah bergerak balas / Responding variable (b) Nyatakan arah pertumbuhan bagi setiap bahagian anak benih berikut. State the direction of growth for each of the following parts of seedling. 1.3.1 (i) Akar / Root (ii) Pucuk / Shoots (c) Apakah kepentingan bagi geotropisme positif? What is the importances of positive geotropism? 1.3.2 Menganalisis Anak pokok disusun seperti ditunjukkan dalam Rajah 5. P dan Q diletakkan dalam sebuah almari gelap selama empat hari. The seedlings are arranged as shown in Diagram 5. P and Q are put in a dark cupboard for four days. Rajah / Diagram 5 Lawatan ke Galeri / Gallery Walk Langkah-langkah / Steps: 1. Guru membahagikan murid-murid kepada 4 kumpulan. / Teacher divides the students into 4 groups. 2. Setiap kumpulan mendapat sekeping kad manila dan sekotak krayon. Each group gets a piece of manila card and a box of crayon. 3. Guru memberikan satu tajuk kepada setiap kumpulan seperti berikut: Teacher gives one topic to each group as follows: – Mekanisme pendengaran / Hearing mechanism – Mekanisme penglihatan / Sight mechanism – Kecacatan pendengaran dan cara membetulkannya / Hearing defects and ways to correct them – Kecacatan penglihatan dan cara membetulkannya / Sight defects and ways to correct them 4. Setiap kumpulan diberi masa 20 minit untuk berbincang dan menulis hasil perbincangan. Each group is given 20 minutes to discuss and write the results of the discussion. 5. Kemudian, setiap kumpulan perlu menampal hasil kerja di sudut yang disediakan dalam kelas. Then, each group should paste the work in the corner provided in the class. 6. Seorang wakil dari setiap kumpulan akan menjadi pembentang di sudut tersebut manakala ahli lain akan bergerak untuk melihat hasil kerja kumpulan lain. / A representative from each group will be the presenter at the corner while other members will move to see the work of other groups. P Q CONTOH

59 1. Rajah 1 menunjukkan sebahagian daripada laluan udara dalam mekanisme pernafasan. Diagram 1 shows part of air direction in breathing mechanism. Lubang hidung Rongga hidung X Nostrils Nasal cavity Rajah / Diagram 1 Apakah X? / What is X? A Bronkiol / Bronchiole B Larinks / Larynx C Trakea / Trachea D Farinks / Pharynx 2. Antara berikut, pernyataan yang manakah benar tentang arus ulang-alik? Which statement is true about alternating current? A Arus elektrik dengan arah aliran yang tetap Electric current with fixed direction of flow B Arus elektrik yang mengalir dalam satu arah sahaja Electric current that flows in one direction only C Arus elektrik yang mengalir dalam dua arah yang bertentangan Electric current that flows in two opposite directions D Arus elektrik dengan arah aliran yang berubah-ubah secara berterusan Electric current that flows in constantly reversing directions 3. Rajah 3 menunjukkan komponen darah manusia selepas diasingkan dengan kaedah emparan. Diagram 3 shows human blood components after being separated by centrifugal method. Rajah / Diagram 3 Apakah G? What is G? A Plasma darah Blood plasma B Platlet Platelets C Sel darah putih White blood cells D Sel darah merah Red blood cells 4. Seorang murid dengan berat 350 N menaiki tangga sejauh 8 m dalam masa 10 saat. Berapakah kuasa murid itu? A student with weight 350 N climbing stairs over a distance of 8 m in 10 seconds. How much the power of the student? A 200 W C 250 W B 230 W D 280 W 5. Siapakah manusia pertama yang menjejakkan kaki di Bulan? Who is the first human to set foot on the Moon? A Galileo Galilei B Neil Armstrong C Yuri Gagarin D Johannes Kepler Bahagian A [20 markah / marks] Jawab semua soalan. Answer all questions. Markah: 100 Ujian Akhir Sesi Akademik (UASA) Nama: Tarikh: Masa: 2 jam G CONTOH

60 6. Mengapakah waktu bekerja pramugara dan pramugari dihadkan untuk tempoh tertentu? Whyworking hours ofsteward and stewardess are limited for a certain period of time? A Risiko kemalangan kapal terbang yang tinggi / High risk for airplane accidents B Mereka terdedah kepada sinaran kosmik yang berbahaya They exposed to harmful cosmic ray C Mereka terdedah kepada sinaran ultraungu yang berbahaya They exposed to harmful ultraviolet ray D Risiko terdedah kepada sinaran mengion yang kurang daripada 0.2 μSv/j Risk of exposure to ionising radiation less than 0.2 μSv/h 7. Rajah 7 menunjukkan serbuk penaik yang ditambah ke dalam cuka. Diagram 7 shows baking powder being added into vinegar. Cuka Vinegar Serbuk penaik Baking powder Rajah / Diagram 7 Apakah yang akan berlaku? What will happen? A Bikar menjadi sejuk The beaker becomes cold B Tindak balas di dalam bikar menukarkan tenaga haba kepada tenaga kimia The reaction within the beaker has converted the heat energy into chemical energy C Suhu persekitaran meningkat The surrounding temperature increases D Tindak balas yang berlaku di dalam bikar akan menyerap tenaga haba dari persekitaran The reaction that occurred in the beaker will absorb heat energy from the surrounding 8. Rajah 8 menunjukkan spring M diregangkan. Diagram 8 shows spring M is stretched. 19 cm 11 cm Rajah / Diagram 8 Berapakah tenaga keupayaan kenyal spring M yang diregangkan jika daya yang dikenakan ialah sebanyak 34 N? How much the elastic potential energy of the stretched spring M if force applied is 34 N? A 1 J B 1.36 J C 136 J D 1 360 J 9. Rajah 9 menunjukkan sistem trakea belalang. / Diagram 9 shows trachea system of grasshopper. Oksigen Oxygen Karbon dioksida Carbon dioxide L Rajah / Diagram 9 Apakah L? What is L? A Trakeol / Tracheole B Otot / Muscles C Kantung udara / Air sacks D Spirakel / Spiracles 10. Maklumat berikut menerangkan tentang kesan S. / The following information describes about effect S. Kehadiran S dalam udara sedutan boleh mengurangkan jumlah oksihemoglobin dalam darah. Presence of S in inhaled air can reduce the number of oxyhaemoglobin in blood. Berdasarkan maklumat di atas, apakah S? Based on the information above, what is S? A Karbon dioksida / Carbon dioxide B Karbon monoksida / Carbon monoxide C Sulfur dioksida / Sulphur dioxide D Nitrogen dioksida / Nitrogen dioxide CONTOH

61 11. Hairi mempunyai kumpulan darah B. Apakah yang akan berlaku jika dia menerima darah daripada penderma kumpulan darah AB? Hairi has blood group B. What will happen to him if he receives blood from the donor with blood group AB? A Tekanan darah meningkat Blood pressure increases B Pengaglutinatan berlaku Agglutination occurs C Darah menjadi cair Blood will be diluted D Hairi akan terus hidup Hairi will survive 12. Bagaimanakah logam disusun dalam siri kereaktifan logam? How the metals are arranged in reactivity series of metals? A Berdasarkan tindak balas logam terhadap oksigen Based on metal reaction towards oxygen B Berdasarkan tindak balas logam dengan haba / Based on metal reaction with heat C Berdasarkan tindak balas logam terhadap karbon Based on metal reaction towards carbon D Berdasarkan tindak balas logam dengan air / Based on metal reaction with water 13. Rajah 13 menunjukkan susunan radas untuk menentukan kedudukan karbon dalam siri kereaktifan logam. Diagram 13 shows apparatus set-up to determine the position of carbon in reactivity series of metals. Mangkuk pijar Crucible Haba Heat Zink oksida Zinc oxide + Karbon Carbon Rajah / Diagram 13 Apakah inferens yang sesuai bagi eksperimen ini? What inference suitable for this experiment? A Campuran berbara kerana zink mempunyai kereaktifan yang sama dengan karbon Mixture glows because zinc has same reactivity with carbon B Campuran berbara kerana zink lebih reaktif daripada karbon Mixture glows because zinc is more reactive than carbon C Campuran berbara kerana zink kurang reaktif daripada karbon Mixture glows because zinc is less reactive than carbon D Campuran tidak berbara kerana zink kurang reaktif daripada karbon Mixture does not glow because zinc is less reactive than carbon 14. Antara berikut, pernyataan yang manakah benar tentang Prinsip Keabadian Tenaga? Which statement is true about the Principle of Conservation of Energy? A Tenaga tidak boleh berubah bentuk Energy cannot be converted to other form B Tenaga boleh dimusnah Energy can be destroyed C Tenaga boleh dicipta Energy can be created D Tenaga boleh berubah-ubah bentuk Energy can be converted to other form 15. Antara berikut, pasangan yang manakah adalah benar? Which of the following pairs is true? Organ deria Sense organ Rangsangan Stimulus A Telinga Ear Tekanan Pressure B Lidah Tongue Bahan kimia Chemicals C Mata Eye Sentuhan Touch D Kulit Skin Cahaya Light CONTOH

62 16. Struktur Matahari yang manakah hanya dapat dilihat ketika gerhana Matahari penuh? Which structure of the Sun can only be seen during the full solar eclipse? A Teras Core B Korona Corona C Zon radiasi Radiation zone D Zon perolakan Convection zone 17. Kumpulan faktor yang manakah akan menambahkan kadar transpirasi suatu tumbuhan? Which of the following groups of factors will increase the rate of transpiration of a plant? Suhu Temperature Keamatan cahaya Light intensity Kelembapan Humidity A Sejuk Cold Malap Dim Rendah Low B Panas Hot Malap Dim Tinggi High C Panas Hot Terang Bright Rendah Low D Sejuk Cold Terang Bright Tinggi High 18. Rajah 18 menunjukkan suatu aktiviti. Diagram 18 shows an activity. Rajah / Diagram 18 Logam yang manakah akan bertindak dengan paling cergas sekali? Which of the following metals reacts the most vigorously? A Kuprum / Copper B Ferum / Iron C Zink / Zinc D Aluminium 19. Rajah 19 menunjukkan suatu tindak balas. / Diagram 19 shows a reaction. Rajah / Diagram 19 Nyatakan jenis tindak balas ini. State the type of this reaction. A Endotermik / Endothermic B Eksotermik / Exothermic C Peneutralan / Neutralisation D Penguraian dubel Double decomposition 20. Rajah 20 menunjukkan suatu transformer. Diagram 20 shows a transformer. Rajah / Diagram 20 Voltan input dan voltan output masingmasing adalah 9 V dan 135 V. Jika bilangan lilitan sekunder ialah 1 800, hitung bilangan gegelung primer. The input voltage and output voltage are 9 V and 135 V respectively. If the number of secondary coil is 1 800, calculate the number of primary coil. A 60 C 480 B 120 D 2 100 Serbuk logam Metal powder Wul kaca Glass wool Panaskan Heat Panaskan Heat Hablur kalium manganat(VII) Potassium manganate(VII) crystals Air Water Ammonium klorida Ammonium chloride Output Gegelung sekunder Secondary coil Gegelung primer Primary coil CONTOH

63 1. (a) Tuliskan BENAR atau PALSU pada pernyataan yang berikut. Write TRUE or FALSE for the following statements. Pernyataan Statement BENAR atau PALSU TRUE or FALSE (i) Arang kok bertindak balas dengan oksigen dalam udara panas untuk menghasilkan karbon monoksida Coke reacts with oxygen in the hot air to produce carbon monoxide (ii) Batu kapur terurai untuk membentuk kalsium oksida dan karbon dioksida Limestone decomposes to form calcium oxide and carbon dioxide [2 markah] [2 marks] (b) Rajah 1 menunjukkan peta buih bagi isu perlombongan di Malaysia. Diagram 1 shows a bubble map for the mining issues in Malaysia. Penggunaan tenaga elektrik yang banyak Use large amount of electrical energy Isu perlombongan di Malaysia Mining issue in Malaysia (i) (ii) Rajah / Diagram 1 Lengkapkan peta buih di atas. / Complete the bubble map above. [2 markah] [2 marks] CONTOH

64 2. (a) Bulatkan dua contoh alat yang menggunakan arus terus. Circle two examples of devices that use direct current. [2 markah] [2 marks] (b) Tandakan (3) bagi langkah-langkah untuk mengelakkan kemalangan elektrik. Mark (3) for the safety measures to avoid electrical accidents. (i) Pastikan kabel berada jauh dari air dan pemanas Make sure the cable is away from water and heaters (ii) Menarik wayar untuk mencabutnya dari soket Pulling wires to remove it from the socket (iii) Gunakan nilai fius yang betul untuk pemasangan fius dalam peralatan elektrik Use the correct fuse rating for fuses installed in electrical appliances [2 markah] [2 marks] P Q R S CONTOH

65 3. (a) Rajah 3 menunjukkan ayunan sebuah bandul ringkas. Diagram 3 shows the oscillation of a simple pendulum. J: K: Rajah / Diagram 3 Labelkan jenis tenaga maksimum yang dimiliki oleh bandul pada kedudukan J dan K. Label maximum energy types possessed by the pendulum at position J and K. [2 markah] [2 marks] (b) Gariskan jawapan yang betul. / Underline the correct answer. (i) Jumlah kerja akan ( menurun / meningkat ) jika jumlah daya yang dikenakan meningkat. The amount of work will ( decrease / increase ) if the amount of force applied is increasing. (ii) Unit S.I. bagi kuasa ialah ( watt / joule ). The S.I. unit for power is ( watt / joule ). [2 markah] [2 marks] CONTOH

66 4. (a) Padankan bahagian mata yang berikut dengan fungsi yang betul. Match the following eye parts with the correct function. Bahagian mata / Eye parts Fungsi / Function (i) (ii) [2 markah] [2 marks] (b) Rajah 4 menunjukkan rasa yang dikesan oleh lidah manusia. Diagram 4 shows the tastes detected by the human tongue. Tanda (3) jawapan yang betul dan (7) jawapan yang salah. Mark (3) the correct answer and (7) the wrong answer. [2 markah] [2 marks] Pahit Bitter Masam Sour Rajah / Diagram 4 Mencegah pantulan cahaya dalam mata Prevents light reflection in the eye Mengekalkan bentuk bola mata Maintains the shape of the eyeball Menghasilkan impuls saraf Produces nerve impulses Gelemair Aqueous humour Koroid Choroid CONTOH

67 5. (a) Tanda (3) pada pernyataan yang benar. Mark (3) the true statement. (i) Fotosfera merupakan permukaan Matahari yang boleh dilihat dari Bumi. The photosphere is the surface of the Sun that is visible from the Earth. (ii) Nyalaan suria selalunya berlaku berdekatan dengan tompok Matahari untuk beberapa minit atau jam. Solar flares usually occur near to sunspots for a few minutes or hours. (iii) Bumi menghasilkan medan magnetnya sendiri yang mengarah dari selatan ke utara. The Earth yields its own magnetic field that flows from south to north. [2 markah] [2 marks] (b) Rajah 5 menunjukkan struktur Matahari. Diagram 5 shows the structure of the Sun. Label P dan Q menggunakan perkataan di bawah. Label P and Q using the words below. Zon radiasi Radiation zone Kromosfera Chromosphere Zon perolakan Convection zone Fotosfera Photosphere [2 markah] [2 marks] P: Q: Rajah / Diagram 5 CONTOH

68 6. Rajah 6 menunjukkan batu ditarik pada tali lastik yang kenyal. Diagram 6 shows a stone being pulled on an elastic catapult string. Rajah / Diagram 6 (a) Situasi dalam Rajah 6 melakukan kerja. Wajarkan pernyataan ini. The situation in Diagram 6 doing work. Justify this statement. [1 markah] [1 mark] (b) Jika tali lastik ditarik dengan daya 110 N sejauh 0.2 m dari panjang asal, hitung If the catapult string is pulled with force 110 N over a distance of 0.2 m from its original length, calculate (i) kerja yang dilakukan / the work done. [1 markah] [1 mark] (ii) tenaga keupayaan kenyal yang dipunyai oleh tali lastik yang teregang itu. the elastic potential energy of the stretched catapult string. [1 markah] [1 mark] CONTOH

69 (c) Mengapakah bukan semua kerja yang dilakukan untuk menarik tali lastik ini diubah kepada tenaga keupayaan kenyal? Why not all the work done to pull the catapult string back is changed into elastic potential energy? [2 markah] [2 marks] (d) (i) Nyatakan satu lagi jenis tenaga keupayaan selain tenaga keupayaan kenyal. State one more type of potential energy other than elastic potential energy. [1 markah] [1 mark] (ii) Berikan dua faedah tenaga keupayaan di 6(d)(i) dalam kehidupan seharian. Give two benefits of potential energy in 6(d)(i) in daily life. [2 markah] [2 marks] CONTOH

70 7. (a) Rajah 7.1 menunjukkan teleskop pertama yang digunakan dalam bidang astronomi. Diagram 7.1 shows the first telescope used in the field of astronomy. Rajah / Diagram 7.1 (i) Namakan teleskop dalam Rajah 7.1. Name the telescope in Diagram 7.1. [1 markah] [1 mark] (ii) Nyatakan fungsi teleskop angkasa lepas. State the functions of space telescope. [1 markah] [1 mark] (b) Berikan dua aplikasi teknologi penderiaan jauh dalam bidang geologi. Give two applications of remote sensing technology in geology. [2 markah] [2 marks] CONTOH

71 (c) Rajah 7.2 menunjukkan perbualan di antara Henry dan Yusof. Diagram 7.2 shows the conversation between Henry and Yusof. Jumlah satelit di angkasa lepas sudah meningkat. / The total number of satellite in space has increases. Satelit yang rosak akan menjadi sampah angkasa lepas. A broken satellite will become space rubbish. Henry Yusof Rajah / Diagram 7.2 Apakah yang akan berlaku jika terlalu banyak sampah angkasa lepas di angkasa? What will happen if too much space rubbish are left in space? [2 markah] [2 marks] (d) Wajarkan keperluan untuk meneruskan penerokaan angkasa lepas. Justify the need to continue the exploration of space. [2 markah] [2 marks] CONTOH

72 8. Rajah 8 menunjukkan dua jenis transformer. Diagram 8 shows two types of transformer. Gegelung primer Primary coil J Bekalan a.u. a.c. supply Gegelung sekunder Secondary coil Beban Load ~ Gegelung primer Primary coil K Bekalan a.u. a.c. supply Gegelung sekunder Secondary coil Beban Load ~ Rajah / Diagram 8 (a) Namakan jenis transformer J. Name the type of transformer J. [1 markah] [1 mark] (b) Apakah fungsi transformer di 8(a)? What is the function of transformer in 8(a)? [1 markah] [1 mark] (c) Berikan dua perbezaan antara transformer J dan K. Give two differences between transformer J and K. [2 markah] [2 marks] (d) Transformer K mempunyai 250 lilitan dawai pada gegelung primer dan 50 lilitan dawai pada gegelung sekunder. Hitung voltan (input) gegelung primer apabila voltan (output) ialah 30 V. Transformer K has 250 turns of wire in the primary coil and 50 turns of wire in the secondary coil. Calculate the input voltage of the primary coil when the output voltage is 30 V. [2 markah] [2 marks] CONTOH

73 9. (a) Rajah 9.1 menunjukkan suatu mata manusia. / Diagram 9.1 shows a human eye. (i) Antara bahagian P, Q dan R, bahagian manakah yang membekalkan oksigen dan nutrien kepada mata? / Among the parts P, Q and R, which part provides oxygen and nutrients to the eye? [1 markah] [1 mark] (ii) Nyatakan fungsi bagi S. / State the function of S. [1 markah] [1 mark] (b) Rajah 9.2 menunjukkan mata Devindran yang mempunyai penglihatan normal. Diagram 9.2 shows the Devindran’s eye with normal sight. Rajah / Diagram 9.1 P Q R S J K L M Rajah / Diagram 9.2 (e) Apakah jenis transformer yang digunakan di dalam mesin pencetak? Terangkan jawapan anda. / What type of transformer used in printer? Explain your answer. [3 markah] [3 marks] (f) Selain mesin pencetak, berikan satu peralatan elektrik di rumah yang menggunakan transformer. / Other than printer, give one electrical appliance at home that uses transformer. [1 markah] [1 mark] CONTOH

74 Bapanya adalah rabun dekat. Devindran memakai cermin mata bapanya. His father is long-sighted. Devindran wears his father’s spectacles. (i) Di manakah imej itu terbentuk? Where is the image formed? [1 markah] [1 mark] (ii) Terangkan jawapan anda di 9(b)(i). Explain your answer in 9(b)(i). [2 markah] [2 marks] (c) (i) Jika seseorang itu kekurangan vitamin A, nyatakan kesan ini ke atas matanya. If a person is deficiency in vitamin A, state the effect on his eyes. [1 markah] [1 mark] (ii) Berikan satu contoh makanan yang kaya dengan vitamin A. Give one example of food rich in vitamin A. [1 markah] [1 mark] (d) Nyatakan dua bahagian mata yang membiaskan sinar cahaya untuk membentuk imej. State two parts of the eye which refract the light rays to form images. [2 markah] [2 marks] (e) Berikan satu alat yang digunakan untuk mengatasi had deria penglihatan. Give one device used to overcome limitations of sight. [1 markah] [1 mark] CONTOH

75 10. (a) Rajah 10 menunjukkan sebuah stesen jana kuasa hidroelektrik. Diagram 10 shows a hydroelectric power station. Rajah / Diagram 10 (i) Nyatakan sumber tenaga bagi stesen jana kuasa hidroelektrik. State the source of energy for the hydroelectric power station. [1 markah] [1 mark] (ii) Adakah sumber tenaga di 10(a)(i) dikelaskan sebagai sumber tenaga boleh baharu? Jelaskan. Is the source of energy in 10(a)(i) categorised as renewable sources? Explain. [2 markah] [2 marks] (iii) Terangkan bagaimana tenaga elektrik dijana di dalam stesen jana kuasa hidroelektrik. Describe how the electricity is generated in the hydroelectric power station. [3 markah] [3 marks] CONTOH

76 (b) Sebuah pemanas elektrik berkuasa 3 kW digunakan selama 30 minit. A 3 kW electric heater is used for 30 minutes. (i) Hitung jumlah tenaga elektrik yang digunakan berdasarkan rumus di bawah. Calculate the electrical energy used based on the formula given below. Tenaga elektrik (kWj) = Kuasa (kW)  Masa (j) Electrical energy (kWh) = Power (kW)  Time (h) [2 markah] [2 marks] (ii) Hitung kos penggunaan tenaga elektrik jika kadar bagi setiap unit ialah 22 sen. Calculate the cost of electrical energy used if the rate per unit is 22 sen. [2 markah] [2 marks] (c) Wajarkan tindakan menggantikan sumber tenaga tidak boleh baharu dengan sumber tenaga boleh baharu. Justify the action to replace the non-renewable energy sources with renewable energy source. [2 markah] [2 marks] CONTOH

77 11. Sekumpulan murid menjalankan eksperimen bagi mengkaji kereaktifan logam terhadap oksigen. Rajah 11 dan Jadual 11 masing-masing menunjukkan susunan radas dan pemerhatian eksperimen itu. A group of students carried out an experiment to study the reactivity of metals towards oxygen. Diagram 11 and Table 11 show the apparatus set-up and observation of the experiment respectively. (a) Nyatakan fungsi wul kaca dalam eksperimen ini. State the function of glass wool in this experiment. [1 markah] [1 mark] (b) Apakah hipotesis yang sesuai bagi eksperimen ini? What hypothesis suitable for this experiment? [2 markah] [2 marks] (c) Susun logam-logam ini untuk menunjukkan kereaktifan logam dalam urutan menurun. Arrange these metals to show the reactivity of metals in descending order. [1 markah] [1 mark] (d) Ramalkan logam K jika logam J ialah ferum. Predict metal K if metal J is iron. [1 markah] [1 mark] Asbestos Asbestos Wul kaca Glass wool Serbuk logam Metal powder Hablur kalium manganat(VII) Potassium manganate(VII) crystal Logam Metal Pemerhatian Observation J Berbara dengan cerah / Glows brightly K Berbara dengan malap / Glows dimly L Terbakar dengan api yang cerah Burns with bright flame Rajah Jadual / Table 11 / Diagram 11 CONTOH

78 (e) Berikan dua faktor yang boleh meningkatkan kadar tindak balas antara logam dengan oksigen. Give two factors that can increase the rate of reaction between the metals and oxygen. [2 markah] [2 marks] (f) Terangkan langkah bagi prosedur pemanasan yang betul dalam eksperimen ini. Explain the step for correct heating procedure in this experiment. [3 markah] [3 marks] (g) Berikan dua kegunaan siri kereaktifan logam kepada industri. Give two uses of the reactivity series of metals in the industry. [2 markah] [2 marks] CONTOH

J Jawapan CONTOH

J Praktis 1 Bahagian A 1. A 2. C 3. D 4. A 5. B 6. B 7. C 8. D 9. A 10. C 11. C 12. D Bahagian B 1. (a) ����a�a�a� �� Breathing; R�mb��a� ai� liu� �� Secretion of saliva (b) 2. (a) (ii) 3 (iii) 3 (b) 3. (a) �: Fotot�opi�m� po�iti� Positive phototropism Q: Hid�ot�opi�m� po�iti� Positive hydrotropism (b) Kambi�g Goat Bu�u�g ha�tu Owl Bahagian C 4. (a) D��mi� (b) (i) T (ii) � (c) R���pto� haba m��g��a� �a�g�a�ga� pa�a�. R���pto� itu m��gha�ta� impul� k� otak m�lalui �a�a�-�a�a�. Otak m��ta��i�ka� impul� itu. The heat receptors detect the heat stimulus. The receptors send impulses to the brain through the nerves. The brain interprets the impulses. (d) – Lapi�a� �pid��mi� di l��ga� adalah l�bih t�bal Epidermis layer in the arm is thicker – Bila�ga� ����pto� d��ia di l��ga� adalah ku�a�g The number of sensory receptors in the arm is less (�) Huju�g ja�i Fingertips 5. (a) (i) K�duduka� aka� da� pucuk bagi a�ak b��ih itu. Position of roots and shoots of the seedlings. (ii) A�ah p��tumbuha� aka� da� pucuk. Direction of growth of roots and shoots. (b) (i) Aka� tumbuh k� bawah da� m��uju g�aviti. Roots grow downwards and towards gravity. (ii) �ucuk tumbuh k� ata� da� m��jauhi g�aviti. Shoots grow upwards and away from gravity. (c) – M�mbol�hka� aka� m��y��ap ai� da� ga�am mi���al. Enable roots to absorb water and mineral salts. – Soko�g k�duduka� tumbuha� pada ta�ah. Support the position of plants in the soil. Praktis 2 Bahagian A 1. D 2. B 3. B 4. A 5. C 6. C 7. A 8. D 9. C 10. B 11. A 12. C Bahagian B 1. (a) (i) T�ak�a ��T�ak�a �� Trachea (ii) Dia��agma �� Diaphragm (b) ��pa�u Lungs Kulit lua� l�mbap Moist outer skin 2. (a) (b) (i) 3 (ii) 3 3. (a) Rama-�ama Butterfly Lalat Housefly (b) Bahagian C 4. (a) T�ak�a �� Trachea (b) (i) Dia��agma �� Diaphragm (ii) Q b��g��ak k� bawah da� m��jadi �ata. Q moves downwards and flattens. (c) Sa�gka� �u�uk b��g��ak k� bawah da� k� dalam. The rib cage moves downwards and inwards. (d) (i) Uda�a ��duta� �� Inhaled air CONTOH

J (ii) K: Ok�ig�� �� Oxygen L: Ka�bo� diok�ida Carbon dioxide (iii) Ok�ih�moglobi� Oxyhaemoglobin (iv) S�batia� itu t��u�ai da� m�mb�ba�ka� ok�ig�� u�tuk digu�aka� ol�h ��l bada�. The compound decomposes and oxygen is released for the use of body cells. (�) Dia aka� mati. Ka�bo� mo�ok�ida b��gabu�g d��ga� h�moglobi� da� i�i m�la�a�g ok�ig�� da�ipada b��gabu�g d��ga� h�moglobi�. S�l bada��ya aka� k�ku�a�ga� ok�ig��. He will die. Carbon monoxide combines with haemoglobin. This prevents oxygen from combining with haemoglobin. The body cells have no enough oxygen. 5. (a) – ���mukaa� alv�olu� ya�g l�mbap. Moist surface of alveolus. – Di�di�g alv�olu� adalah ��t�bal �atu ��l �ahaja. The wall of alveolus is only one-cell thick. – Alv�olu� m�mpu�yai lua� p��mukaa� ya�g �a�gat b��a�. Alveoli have very large surface area. (b) (i) – ��pa�u �� Lungs – Kulit lua� l�mbap Moist outer skin (ii) M�mudahka� ga� ���pi�a�i m�la�ut da� m����ap. �� Facilitate the respiratory gases to dissolve and diffuse. Praktis 3 Bahagian A 1. A 2. D 3. D 4. A 5. B 6. C 7. B 8. B 9. D 10. C 11. C 12. A Bahagian B 1. (a) (b) (i) Kapila�i �� Capillary (ii) A�t��i / Artery 2. (a) (b) 3. (a) (i) �la�ma da�ah �� Blood plasma (ii) S�l da�ah m��ah �� Red blood cells (b) (ii) 3 (iii) 3 Bahagian C 4. (a) (i) �: V��a pulmo�a�i �� Pulmonary vein R: V��a �� Veins (ii) Da�ah b��ok�ig�� �� Oxygenated blood (b) (i) A�tig��: A�tig�� B A�tibodi �� Antibody: A�ti-A (ii) B da� O �� B and O (iii) B da� AB �� B and AB (c) (i) O (ii) ���ggumpala� da�ah b��laku. I�i m��y�bab -ka� k�matia�. Coagulation of blood occured. This causes death. 5. (a) (i) K�hadi�a� dau� pada tumbuha� Presence of leaves on plant (ii) B��laku�ya t�a��pi�a�i Occurrence of transpiration (b) M��c�gah p��y�jata� ai� dalam ta�ah. Prevent evaporation of water in the soil. (c) Wap ai� da�ipada dau� m��gko�d���a�i pada p��mukaa� dalam ���kup kaca. �� Water vapour from the leaves condense on the inner surface of bell jar. (d) Titi�a� ai� m��uka�ka� k��ta� kobalt klo�ida bi�u k� m��ah jambu. �� Water droplets turn blue cobalt chloride paper to pink. (�) Tiada t�a��pi�a�i k��a�a tumbuha� itu tidak m�mpu�yai dau�. No transpiration because the plant has no leaves. (�) K�hila�ga� ai� da�ipada tumbuha� b��laku m�lalui �toma pada dau�. Loss of water from plants takes place through the stomata on the leaves. (g) Apabila pokok itu tidak ada dau�, k�hila�ga� ai� m�lalui t�a��pi�a�i bol�h dimi�imumka�. �okok itu tidak mati k��a�a k�ku�a�ga� ai�. When the tree has no leaves, the loss of water through transpiration can be minimised. The tree will not die due to the shortage of water. Praktis 4 Bahagian A 1. D 2. A 3. B 4. A 5. C 6. D 7. C 8. B 9. D 10. A 11. D 12. C 13. C Bahagian B 1. (a) CONTOH

J (b) �lumbum �� Lead ���ak �� Silver 2. (a) (i) 3 (iii) 3 (b) (i) Kal�ium �� Calcium (ii) Kup�um �� Copper 3. (a) Zi�k ok�ida �� Zinc oxide Timah ok�ida �� Tin oxide (b) Bahagian C 4. (a) (i) M�mb�ba�ka� ok�ig�� apabila dipa�a�ka� Produces oxygen when it is heated (ii) Zi�k t��baka� d��ga� c��ga�. Zi�k ok�ida. Zinc burns vigorously. Zinc oxide. (iii) Mag���ium t��baka� d��ga� �a�gat c��ga�. Magnesium burns very vigorously. (b) (i) Tiada p��ubaha� ya�g b��laku. Ka�bo� tidak bol�h m��u�u�ka� Q ok�ida k��a�a ka�bo� ku�a�g ��akti� da�ipada Q. No observable change. Carbon is unable to reduce Q oxide because carbon is less reactive than Q. (ii) Ka�bo� m��u�u�ka� S ok�ida k��a�a ka�bo� l�bih ��akti� da�ipada S. Logam S t��b��tuk. Carbon reduces S oxide because carbon is more reactive than S. Metal S is formed. 5. (a) (i) J, Ka�bo� �� Carbon, L, K (ii) Kup�um atau ���um (Ma�a-ma�a �atu) Copper or iron (Any one) (b) (i) Kal�ium + Ok�ig�� Kal�ium ok�ida Calcium + Oxygen Calcium oxide (ii) U�tuk m���ut�alka� ta�ah b��a�id To neutralise acidic soil (c) (i) Kal�ium, ka�bo�, ok�ig�� Calcium, carbon, oxygen (ii) Kal�ium klo�ida + Ai� + Ka�bo� diok�ida Calcium chloride + Water + Carbon dioxide Praktis 5 Bahagian A 1. D 2. A 3. B 4. D 5. C 6. B 7. D 8. C Bahagian B 1. (a) (i) 3 (iii) 3 (b) 3 3 2. (a) (i) 3 (iii) 3 (b) Eksotermik Exothermic Endotermik Endothermic 3. (a) (b) (i) 3 (iii) 3 Bahagian C 4. (a) (i) J��i� zat la�ut. �� Types of solute. (ii) ���ubaha� dalam �uhu. Change in temperature. (b) (i) x = 25 La�uta� m��jadi l�bih ��juk k��a�a haba itu di���ap. �� The solution becomes colder because heat is absorbed. (ii) ��l�bu�a� �� Melting (c) (i) y = 34 La�uta� m��jadi l�bih pa�a� k��a�a haba dib�ba�ka�. �� The solution becomes warmer because heat is released. (ii) ��mb�kua� �� Freezing (d) L�takka� b�b��apa k�tul ai� dalam ��h�lai tuala. K�mudia�, l�takka� tuala itu pada dahi Khalid. Ai� itu m��y��ap t��aga haba u�tuk p�l�bu�a� ai�. Suhu bada��ya aka� m��u�u�. �� Put some ice cubes in a small towel. Then put the towel on his forehead. Ice cubes absorb heat energy for melting. His body temperature will decreases. (T��ima jawapa� m��ggu�aka� p�k ��juk ��g��a �� Accept answer using instant cold pack) Praktis 6 Bahagian A 1. D 2. A 3. B 4. C 5. A 6. D 7. B 8. C 9. A 10. D 11. C 12. C 13. B 14. B Bahagian B 1. (a) T��aga bioji�im �� Biomass energy T��aga �ola� �� Solar energy (b) 3 3 2. (a) (i) 3 (ii) 3 (b) 3. (a) (ii) 3 (iii) 3 (b) �: G�g�lu�g p�im�� Primary coil Q: Volta� output Output voltage CONTOH

J Bahagian C 4. (a) – G��akka� mag��t d��ga� l�bih laju. Move the magnet faster. – G��akka� g�g�lu�g d��ga� l�bih laju. Move the coil faster. (b) – M��aikka� volta� output bagi a�u� ula�g-alik. Step-up the output voltage of alternating current. – M��u�u�ka� volta� output bagi a�u� ula�galik. �� Step down the output voltage of alternating current. (c) (i) T�a���o�m�� i�jak tu�u�. Step-down transformer. (ii) B��i l�mbut. �� Soft metal. Bol�h dimag��tka� atau di�yahmag��tka� d��ga� mudah. Can be magnetized and demagnetized easily. (iii) Vp = Np Vs Ns Vp = 400 48 80 Vp = 400 x 48 80 = 240 V 5. (a) M��yalu�ka� a�u� boco� k� Bumi. Channels the leaked current to Earth. (b) M��ga�gkut a�u� �l�kt�ik da�i b�kala� utama k� alat �l�kt�ik. Carries electric current from the mains to electric appliance. (c) Jumlah a�u� = 1 500 + 1 200 + 600 Total current 240 240 240 = 6.25 A + 5 A + 2.5 A = 13.75 A = 13.75 A < 15 A Fius tidak lebur. The fuse did not melt. (d) Jumlah u�it t��aga �� Total units of energy = (1.5 x 0.5 x 30) + (1.2 x 0.4 x 30) + (0.6 x 1.2 x 30) = 22.5 + 14.4 + 21.6 = 58.5 kwj (kwh) Jumlah kos = 58.5 x 0.42 = RM24.57 Total cost Praktis 7 Bahagian A 1. D 2. B 3. C 4. A 5. B 6. C 7. A 8. D 9. B 10. A 11. C 12. D 13. B 14. A Bahagian B 1. (a) 3 3 (b) (i) 3 (iii) 3 2. (a) 3 3 (b) 3. (a) (i) 3 (iii) 3 (b) T��aga ki��tik �� Kinetic energy = 70 J T��aga k�upayaa� �� Potential energy = 30 J T��aga ki��tik �� Kinetic energy = 20 J T��aga k�upayaa� �� Potential energy = 80 J Bahagian C 4. (a) K��ja �� Work done = 500 x 10 x 8 J = 40 000 J (b) (i) Kua�a �� Power = 40 000 25 = 1 600 W (ii) Memendekkan masa yang diambil. Shorten the time taken. (c) T��aga k�upayaa� g�aviti = T��aga ki��tik Gravitational potential energy = Kinetic energy mgh = 1 mv2 2 v2 = 2gh v = 2 x 10 x 8 = 160 = 12.65 m s-1 (d) T��aga k�upayaa� = 4 160 J Potential energy mgh = 4 160 J m x 10 x 8 = 4 160 m = 4 160 80 = 52 5. (a) T��aga ki��tik k���ta itu l�bih b��a� da�ipada t��aga ki��tik moto��ikal. I�i adalah k��a�a ji�im k���ta adalah l�bih b��a� da�ipada ji�im moto��ikal. The kinetic energy of the car is greater than the kinetic energy of the motorcycle. This is because the mass of car is greater than the mass of motorcycle. (b) (i) (ii) T��aga k�upayaa� k��yal Elastic potential energy = 1 Fx 2 = 1 x 40 x 0.08 = 1.6 J 2 CONTOH

J (iii) mgh = 1.6 4 x 10 x h = 1.6 h = 1.6 40 = 0.04 m = 4 cm Praktis 8 Bahagian A 1. D 2. B 3. A 4. A 5. B 6. D 7. C 8. D 9. C 10. A 11. A 12. D 13. B 14. C Bahagian B 1. (a) (b) Curie 3 Becquerel 3 2. (a) (b) (i) �ALSU �� FALSE (ii) BENAR �� TRUE 3. (a) (b) (i) 3 (ii) 3 Bahagian C 4. (a) Atom u�a�ium – 238 m���put k�pada to�ium – 234 da� m��gha�ilka� �i�a� al�a. The uranium – 238 atom decays into thorium – 234 and emits alpha rays. (b) (i) (ii) 20 mi� (c) (i) �lumbum da� ko�k�it Lead and concrete (ii) K�boco�a� bol�h dic�gah k��a�a �i�a�a� �adioakti� tidak aka� m���mbu�i di�di�g itu. �� Leakage can be prevented because the radioactive radiations will not penetrate the wall. 5. (a) 1 1 1 1 1 x x x x 2 4 8 16 Umu� �� Age = 4x = 4 x 5 600 = 22 400 tahun / years (b) �: Si�a� al�a �� Alpha ray Q: Si�a� b�ta �� Beta ray R: Si�a� gama �� Gamma ray (c) Y. Y m�mpu�yai �uatu ��pa�uh hayat ya�g p��d�k �upaya k�putu�a� bol�h dip��ol�h dalam ma�a �i�gkat. �� Y. Y has a short half-life so that the results can be obtained in a short time. (d) Si�a� b�ta �� Beta ray (�) (i) Nat�ium – 24 �� Sodium – 24 (ii) Iodi� – 131 �� Iodine – 131 Praktis 9 Bahagian A 1. A 2. C 3. B 4. D 5. B 6. D 7. A 8. C 9. C 10. B 11. A 12. C 13. A Bahagian B 1. (a) Foto����a �� Photosphere Ko�o�a �� Corona (b) (i) 3 (iii) 3 2. (a) (b) Zo� p��olaka� �� Convection zone Zo� �adia�i �� Radiation zone 3. (a) (b) (i) BENAR �� TRUE (ii) BENAR �� TRUE Bahagian C 4. (a) (i) K�omo����a Chromosphere (ii) ��laku�a� �ukl�u� �� Nuclear fusion ��o��� i�i m��gha�ilka� ba�yak t��aga �upaya Mataha�i t��u� b���i�a�. This process produces a lot of energy so that the Sun continues to shine. (b) (i) R: ��omi��� (��ma�ak �u�ia) Prominence S: Nyalaa� �u�ia Solar flare CONTOH

J (ii) Suhu bagi T adalah l�bih ���dah da�ipada �uhu �oto����a di ��k�lili�g�ya. Temperature of T is lower than the temperature of photosphere around it. (c) I�t��ak�i a�ta�a m�da� mag��t Bumi d��ga� m�da� mag��t ya�g dibawa ol�h a�gi� �u�ia. Interaction between the Earth’s magnetic field and the magnetic field brought by the solar wind. (d) (i) Za�ah-za�ah b��ca� da�ipada Mataha�i m���mbu�i m�da� mag��t Bumi da� m��gh��tam mol�kul dalam atmo����a Bumi da� ��t��u��ya m��gha�ilka� au�o�a. Charged particles from the Sun penetrated the Earth’s magnetic field and collide with the molecules in the Earth’s atmosphere and hence produces aurora. (ii) Kutub Bumi �� Poles of Earth Praktis 10 Bahagian A 1. B 2. C 3. C 4. D 5. A 6. B 7. A 8. B 9. D 10. A 11. C 12. D Bahagian B 1. (a) (b) 2. (a) (i) BENAR �� TRUE (ii) BENAR �� TRUE (b) (i) 3 (ii) 3 3. (a) (i) Sput�ik I (ii) Vo�tok I (b) (i) 3 (iii) 3 Bahagian C 4. (a) T�k�ologi m��gumpul maklumat bagi obj�k atau ���om��a da�ipada �uatu ja�ak. Technology of collecting information of objects or phenomena from a distance. (b) (i) ���d��iaa� jauh akti� �� Active remote sensing (ii) ���d��iaa� jauh pa�i� Passive remote sensing (c) (i) J: ���d��ia m��g��a�, m��gumpul da� m��catatka� p��i�tiwa. The sensor detects, collects and records the events. (ii) K: Data ya�g dikumpul dipi�dahka� k� �uatu �t���� p�mp�o���a�. The data collected is transmitted to a processing station. (iii) L: Data itu dia�ali�a�ika�. The data is analysed. (iv) M: ���y�l��aia� dib��ika� k�pada p��ggu�a. Solutions are provided to the consumers. (d) ���ta�ia�, g�ologi, p��gu�u�a� b��ca�a, p��taha�a�. Agriculture, geology, disaster management, defence. (�) Ag���i R�mot� S���i�g Malay�ia (MRSA) Malaysian Remote Sensing Agency (MRSA) Ujian Akhir Sesi Akademik (UASA) Bahagian A 1. D 2. D 3. A 4. D 5. B 6. B 7. C 8. B 9. D 10. B 11. B 12. A 13. C 14. D 15. B 16. B 17. C 18. D 19. A 20. B Bahagian B 1. (a) (i) �ALSU �� FALSE (ii) BENAR �� TRUE (b) (i) ���c�ma�a� uda�a akibat p�mbaka�a� baha� api �� Air pollution due to burning of fuels (ii) ���c�ma�a� ai� akibat p��cucia� bijih Water pollution due to cleaning of ore 2. (a) Q, S (b) (i) 3 (iii) 3 3. (a) J: T��aga k�upayaa� g�aviti Gravitational potential energy K: T��aga ki��tik �� Kinetic energy (b) (i) m��i�gkat �� increase (ii) watt 4. (a) (i) M��g�kalka� b��tuk bola mata Maintains the shape of the eyeball (ii) M��c�gah pa�tula� cahaya dalam mata Prevents light reflection in the eye (b) �ahit �� Bitter 3 Ma�am �� Sour 7 5. (a) (i) 3 (ii) 3 (b) �: Zo� �adia�i �� Radiation zone Q: Foto����a �� Photosphere Bahagian C 6. (a) Ya, k��a�a daya t�lah digu�aka� u�tuk m��a�ik batu ��jauh �uatu ja�ak dalam a�ah daya Yes, because force has been used to pull the stone over a distance in the direction of the force (b) (i) 22 J (ii) 11 J (c) K��a�a ��bahagia� k��ja dilakuka� u�tuk m��gubah b��tuk la�tik �� Because part of the work done to change the shape of the catapult (d) (i) T��aga k�upayaa� g�aviti Gravitational potential energy (ii) – �����a�g bol�h m��y�lam d��ga� mudah k� dalam ai� da�i papa� a�jal �� A swimmer can dive easily into the water from the springboard – Ka�ak-ka�ak bol�h m�lu�cu� di g�lo�g�o� d��ga� mudah �� Kid can slide down easily at slide 7. (a) (i) T�l��kop Galil�o �� Galileo’s telescope (ii) – M��g��a� aktiviti dalam a�gka�a l�pa� ya�g �a�gat jauh �� Detects very distant activities in space – M��g��a� g�lomba�g �adio da�i a�gka�a l�pa� �� Detects radio waves from space CONTOH

J (b) – U�tuk m��gkaji mi���al da� p�t�ol�um To explore minerals and petroleum – U�tuk p�m�taa� b��tuk ta�ah For mapping of land form (c) Sampah a�gka�a l�pa� aka� b��la�gga� a�ta�a �atu �ama lai� da� m��o�akka� �at�lit ya�g b��gu�a �� Space rubbish will collide with each other and damage the useful satellites (d) Ya, k��a�a p����okaa� a�gka�a l�pa� m�mbol�hka� kita u�tuk m��dapatka� maklumat ya�g l�bih t��p��i�ci m��g��ai Bumi, pla��t da� obj�k lai� di a�gka�a. S�lai� itu, kita bol�h m��ca�i �umb�� mi���al baha�u iaitu da�i Bula�, pla��t lai� da� a�t��oid �� Yes, because the space exploration allows us to get detailed information on Earth, planets and other objects in space. Besides that, we can search for new mineral sources from the Moon, other planets and asteroids 8. (a) T�a���o�m�� i�jak �aik �� Step-up transformer (b) M��i�gkatka� volta� bagi a�u� ula�g-alik �� Increase the voltage of an alternating current (c) – Bila�ga� lilita� pada g�g�lu�g p�im�� t�a���o�m�� J adalah ku�a�g da�ipada bila�ga� lilita� pada g�g�lu�g ��ku�d��, ma�akala bila�ga� lilita� pada g�g�lu�g p�im�� t�a���o�m�� K adalah l�bih ba�yak da�ipada bila�ga� lilita� pada g�g�lu�g ��ku�d�� Number of turns of the primary coil of transformer J is less than that in the secondary coil, whereas number of turns of the primary coil of transformer K is more than that in the secondary coil – Volta� p�im�� (i�put) ya�g m����ta�i g�g�lu�g p�im�� t�a���o�m�� J adalah l�bih ���dah da�ipada volta� ��ku�d�� (output) ya�g m����ta�i g�g�lu�g ��ku�d��, ma�akala volta� p�im�� (i�put) ya�g m����ta�i g�g�lu�g p�im�� t�a���o�m�� K adalah l�bih ti�ggi da�ipada volta� ��ku�d�� (output) ya�g m����ta�i g�g�lu�g ��ku�d�� �� Primary voltage (input) across the primary coil of transformer J is lower than the secondary voltage (output) across the secondary coil, whereas primary voltage (input) across the primary coil of transformer K is higher than the secondary voltage (output) across the secondary coil (d) 150 V (�) T�a���o�m�� i�jak tu�u�. Nilai volta� b�kala� kua�a, 240 V p��lu ditu�u�ka� k��a�a m��i� p��c�tak m�m��luka� volta� ya�g ���dah u�tuk m��g��dalika� kompo��� ��miko�dukto� di dalam�ya �� Step-down transformer. The voltage value of power supply, 240 V must be lowered because printer requires a low voltage to operate the semiconductor components in it (�) ���g�ca� t�l��o� bimbit �� Cell phone charger 9. (a) (i) Q (ii) M�mbawa impul� �a�a� da�i ��ti�a k� otak u�tuk dita��i�ka�. �� Carries nerve impulses from retina to the brain for interpretation. (b) (i) K (ii) Ka�ta c�mbu�g m��umpuka� �i�a� cahaya. Im�j itu aka� t��b��tuk di hadapa� ��ti�a. The convex lens used to converge the light rays. The image will be formed in front of retina. (c) (i) Rabu� malam �� Night blindness (ii) Lobak �� Carrot (d) – Ka�ta mata �� Eye lens – Ko���a �� Cornea (�) – Mik�o�kop �� Microscope – Ka�ta p�mb��a� �� Magnifying glass – Bi�okula� �� Binoculars 10. (a) (i) T��aga hid�o �� Hydro energy (ii) Ya, k��a�a �umb�� t��aga i�i bol�h diga�tika� ��ca�a b��t��u�a� da� tidak aka� habi� �� Yes, because this energy source can be replaced continually and will never deplete (iii) Ai� ya�g t���impa� di dalam �mpa�ga� ya�g ti�ggi aka� m��gali� da�i a�a� ti�ggi k� a�a� ���dah. Ali�a� ai� m�muta�ka� tu�bi� da� p��ja�a m��gha�ilka� t��aga �l�kt�ik �� Water that stored in a high dam will flow from high level to low level. The flow of water will rotate the turbine and the generator produces the electricity (b) (i) 1.5 kWj �� kWh (ii) 33 ��� (c) ���ggu�aa� �umb�� t��aga bol�h baha�u bol�h m��gu�a�gka� p�mbaka�a� baha� api pada �t���� g����ato� ya�g bol�h m��c�ma�ka� p����kita�a�. S�lai� itu, �umb�� t��aga bol�h baha�u l�bih mu�ah da� mudah dica�i �� The use of renewable energy sources can reduce the combustion of fossil fuel at generator station which can pollute the environment. Besides that, the renewable sources is cheaper and easy to find 11. (a) M��ghala�g hablu� kalium ma�ga�at(VII) da�ipada b��campu� d��ga� ���buk logam apabila dipa�a�ka� �� To prevent the potassium manganate(VII) crystal from mixing with the metal powder when heated (b) Logam ya�g m��u�jukka� ti�dak bala� ya�g c��ga� d��ga� ok�ig�� adalah l�bih ��akti� da�ipada logam ya�g m��u�jukka� ti�dak bala� ya�g ku�a�g c��ga� d��ga� ok�ig�� �� Metal that react vigorously with oxygen is more reactive than metal that react less vigorously with oxygen (c) L, J, K (d) Timah �� Tin, �lumbum �� Lead (�) – Logam dalam b��tuk ���buk Metal in the form of powder – ��ma�a�a� logam t��l�bih dahulu Heating metal in advance (�) �a�a�ka� ���buk logam ��hi�gga b��ba�a ��b�lum m�ma�a�ka� kalium ma�ga�at(VII) u�tuk m�mb�kalka� ok�ig�� bagi ti�dak bala� d��ga� logam �� Heat the powdered metal until it glows before heating potassium manganate(VII) crystal to provide oxygen for the reaction with metal (g) – Digu�aka� u�tuk m����tuka� ka�dah p��g�k�t�aka� logam da�i bijih�ya Used to determine the method of extraction of metal from its ore – Digu�aka� u�tuk m�mba�di�gka� k���akti�a� logam �� Used to compare the reactivity of metals CONTOH

Demi Pentaksiran KSSM Dicetak oleh: Swan Printing Sdn. Bhd. (274710-X) Lot 5249, Jalan BS7/1, Kawasan Perindustrian Bukit Serdang, 43300 Seri Kembangan, Sel. D.E. Lot 1 & 2, Jalan BS 7/1A, Taman Bukit Serdang, Seksyen 7, 43300 Seri Kembangan, Selangor Darul Ehsan. • Bhg. Penjualan: 03 – 8959 2001/ 3001/ 4003 • Faks: 03 – 8957 3611 • Bhg. Editorial: 03 – 6150 3009 • Faks: 03 – 6150 1007 • E-mel: [email protected] • Laman Web: www.pep-publications.com tak oleh: Swan Printing Sdn. Bhd. (274710-X) 249, Jalan BS7/1, Kawasan Perindustrian Bukit Serdang, 43300 Seri Kembangan, Sel. D.E. & 2, Jalan BS 7/1A, Taman Bukit Serdang, Seksyen 7, 00 Seri Kembangan, Selangor Darul Ehsan. g. Penjualan: 03 – 8959 2001/ 3001/ 4003 • Faks: 03 – 8957 3611 g. Editorial: 03 – 6150 3009 • Faks: 03 – 6150 1007 mel: [email protected] man Web: www.pep-publications.com Sem. M’sia: RM6.90 Sabah/ S’wak: RM7.50 Berdasarkan kehendak Dokumen Standard Kurikulum dan Pentaksiran (DSKP) Memenuhi format, standard dan keperluan kertas UASA terkini Disusun mengikut topik-topik dalam buku teks Menggabung jalinkan elemen Kemahiran Berfikir Aras Tinggi (KBAT) dan i-Think Jawapan lengkap disediakan Judul-judul dalam siri ini: Subjek Tingkatan Bahasa Melayu Reka Bentuk & Teknologi Geografi Sejarah Pendidikan Islam Matematik (Dwibahasa) Sains (Dwibahasa) English 1 2 3 KSSM Pentaksiran TOPIK Demi TOPIK SAINS (Dwibahasa) 3 9 786294 831902 ISBN 978-629-483-190-2 CONTOH