Practice paper, not an official KPM paperKertas latihan, bukan kertas rasmi KPM

Sains Tahun 4

Ujian Akhir Sesi AkademikEnd of Academic Session Test

SainsScience

Darjah 4, 1 jam 15 minit / 1 hour 15 minutes, 50 marksmarkah

Nama / NameNama

Kelas / ClassKelas

Tarikh / DateTarikh

Markah / marksmarkah: / 50

InstructionsArahan

Jawab semua soalan.Answer all questions.
Bahagian A: bulatkan satu jawapan yang betul.Section A: circle one correct answer.
Bahagian B dan C: tulis jawapan anda di ruang yang disediakan.Sections B and C: write your answers in the spaces provided.

Answer schemes are in English (DLP).Skema jawapan dalam Bahasa Inggeris (DLP).

Practice shows answers as you go. Exam times you and hides answers until you submit.Latihan menunjukkan jawapan semasa menjawab. Peperiksaan menetapkan masa dan menyembunyikan jawapan sehingga dihantar.

Bahagian ASection A

10 marksmarkah

Jawab semua soalan. Setiap soalan diikuti oleh empat pilihan jawapan, A, B, C dan D. Bulatkan satu jawapan yang betul.Answer all questions. Each question has four options, A, B, C and D. Circle one correct answer.

Zul meletakkan sekeping papan di atas sepetak rumput selama dua minggu. Jadual 1 menunjukkan warna rumput di bawah papan itu.

Hari	0	7	14
Warna rumput	Hijau	Hijau pucat	Kuning

Mengapakah rumput itu bertukar kuning?Zul puts a wooden board on a patch of grass for two weeks. Table 1 shows the colour of the grass under the board.

Day	0	7	14
Colour of grass	Green	Pale green	Yellow

Why did the grass turn yellow?

Rumput itu menerima terlalu banyak cahaya matahari.The grass received too much sunlight.
Rumput itu tidak mendapat cahaya matahari untuk fotosintesis.The grass did not get sunlight for photosynthesis.
Rumput itu menyerap terlalu banyak karbon dioksida.The grass took in too much carbon dioxide.
Rumput itu membebaskan terlalu banyak oksigen.The grass released too much oxygen.

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The board blocks the sunlight. Without light the grass cannot carry out photosynthesis, so it cannot make food and loses its green colour.

For the teacherUntuk guru: UnderstandingMemahami, lowrendah difficultyaras lowrendah, Unit 4, standard 4.2.2

TextbookBuku teks p.ms. 77

Sebuah kereta mainan bergolek di atas permaidani dan perlahan-lahan berhenti. Apakah yang berlaku kepada tenaga kinetik kereta itu?A toy car rolls across a carpet and slowly stops. What happens to the kinetic energy of the car?

Tenaga itu musnah apabila kereta berhenti.The energy is destroyed when the car stops.
Tenaga itu bertukar menjadi tenaga nuklear.The energy changes to nuclear energy.
Tenaga itu bertukar menjadi tenaga haba dan tenaga bunyi.The energy changes to heat energy and sound energy.
Tenaga itu disimpan sebagai tenaga kimia dalam permaidani.The energy is stored as chemical energy in the carpet.

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Energy cannot be created or destroyed, only changed from one form to another. Rubbing on the carpet changes the kinetic energy to a little heat energy and sound energy.

For the teacherUntuk guru: ApplyingMengaplikasi, mediumsederhana difficultyaras mediumsederhana, Unit 7, standard 7.1.4

TextbookBuku teks p.ms. 129

Wati terhidu bau ayam goreng dari dapur dan dia berasa lapar. Organ deria manakah yang menerima rangsangan itu?Wati smells fried chicken from the kitchen and feels hungry. Which sensory organ receives the stimulus?

MataEyes
LidahTongue
KulitSkin
HidungNose

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Smell is received by the nose. The tongue receives taste.

For the teacherUntuk guru: RememberingMengingat, lowrendah difficultyaras lowrendah, Unit 2, standard 2.3.1

TextbookBuku teks p.ms. 43

Bumi membuat satu peredaran mengelilingi Matahari dalam 365 hari. Berapakah bilangan peredaran lengkap yang dibuat oleh Bumi dalam tiga tahun?Earth makes one revolution around the Sun in 365 days. How many complete revolutions does Earth make in three years?

3 kali3 times
12 kali12 times
365 kali365 times
1 095 kali1 095 times

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One revolution takes one year, so three years give 3 revolutions. 1 095 is the number of days in three years (3 x 365), not the number of revolutions.

For the teacherUntuk guru: ApplyingMengaplikasi, lowrendah difficultyaras lowrendah, Unit 9, standard 9.2.3

TextbookBuku teks p.ms. 163

Sebatang jalur bagi setiap bahan, P, Q, R dan S, dimasukkan hujungnya ke dalam air panas. Jadual 2 menunjukkan masa yang diambil oleh hujung yang satu lagi untuk terasa panas.

Bahan	P	Q	R	S
Masa	20 saat	35 saat	Tidak terasa panas selepas 5 minit	1 minit

Bahan manakah yang paling sesuai untuk membuat pemegang sebuah periuk logam?One end of a strip of each material, P, Q, R and S, is put into hot water. Table 2 shows the time for the other end to feel hot.

Material	P	Q	R	S
Time	20 seconds	35 seconds	Did not feel hot after 5 minutes	1 minute

Which material is the most suitable to make the handle of a metal pot?

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A handle must not become hot, so the material must be a poor conductor of heat. Only R did not feel hot, so R is the best choice.

For the teacherUntuk guru: ApplyingMengaplikasi, lowrendah difficultyaras lowrendah, Unit 8, standard 8.2.1

TextbookBuku teks p.ms. 149

Nora melarutkan gula dalam air pada tiga suhu berbeza. Jadual 3 menunjukkan keputusannya.

Suhu air	20 °C	40 °C	60 °C
Masa gula larut	90 saat	50 saat	25 saat

Apakah pemboleh ubah bergerak balas dalam penyiasatan ini?Nora dissolves sugar in water at three different temperatures. Table 3 shows the results.

Temperature of water	20 °C	40 °C	60 °C
Time for sugar to dissolve	90 seconds	50 seconds	25 seconds

What is the responding variable in this investigation?

Masa untuk gula larutThe time for the sugar to dissolve
Suhu airThe temperature of the water
Jisim gulaThe mass of the sugar
Isi padu airThe volume of the water

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The responding variable is what we measure because of the change we make. Nora changes the temperature (manipulated) and measures the time to dissolve (responding).

For the teacherUntuk guru: UnderstandingMemahami, lowrendah difficultyaras lowrendah, Unit 1, standard 1.1.10

TextbookBuku teks p.ms. 12

Pasangan haiwan manakah kedua-duanya mamalia?Which pair of animals are both mammals?

Jerung dan ikan pausShark and whale
Kelawar dan ikan lumba-lumbaBat and dolphin
Penguin dan kelawarPenguin and bat
Buaya dan penyuCrocodile and turtle

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Mammals have fine hair and give birth to their young, and they breathe with lungs. A bat and a dolphin are both mammals. A shark is a fish, a penguin is a bird and a crocodile and a turtle are reptiles.

For the teacherUntuk guru: ApplyingMengaplikasi, lowrendah difficultyaras lowrendah, Unit 3, standard 3.2.3

TextbookBuku teks p.ms. 60

Sebuah sekolah terletak di tepi jalan raya yang sibuk. Apakah cara yang terbaik untuk mengurangkan bunyi bising di dalam bilik darjah?A school is beside a busy road. What is the best way to reduce the noise inside the classrooms?

Membuka semua tingkapOpen all the windows
Memasang kaca keras pada dindingPut hard glass panels on the walls
Memasang loceng yang lebih kuatUse a louder bell
Memasang langsir tebal dan permaidaniPut up thick curtains and lay carpets

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Soft, thick materials such as curtains and carpets are sound absorbers. Hard surfaces reflect sound and open windows let more noise in.

For the teacherUntuk guru: ApplyingMengaplikasi, lowrendah difficultyaras lowrendah, Unit 6, standard 6.1.5

TextbookBuku teks p.ms. 121

Pemandu memutar stereng sebuah lori supaya lori itu membelok dengan mudah. Stereng itu ialah mesin ringkas jenisA driver turns the steering wheel of a lorry so that the lorry turns easily. The steering wheel is a simple machine called a

bajiwedge
tuaslever
roda dan gandarwheel and axle
takalpulley

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A steering wheel is a wheel fixed to a rod (the axle). Turning the large wheel turns the axle easily, so it is a wheel and axle.

For the teacherUntuk guru: UnderstandingMemahami, lowrendah difficultyaras lowrendah, Unit 10, standard 10.2.1

TextbookBuku teks p.ms. 175

Situasi manakah menunjukkan pembiasan cahaya?Which situation shows refraction of light?

Sebatang pokok membentuk bayang-bayang di atas jalan.A tree forms a shadow on the road.
Seorang gadis melihat mukanya dalam sebuah cermin.A girl sees her face in a mirror.
Awan menutup Matahari dan tanah menjadi gelap.A cloud covers the Sun and the ground becomes dark.
Sebutir batu kecil di dasar kolam kelihatan lebih dekat dengan permukaan air daripada kedudukan sebenarnya.A small stone at the bottom of a pool looks nearer the surface than it really is.

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Refraction is the bending of light when it passes from one material to another, here from water to air. A shadow is formed because light is blocked, and a mirror shows reflection.

For the teacherUntuk guru: UnderstandingMemahami, lowrendah difficultyaras lowrendah, Unit 5, standard 5.3.1

TextbookBuku teks p.ms. 100

Bahagian BSection B

8 marksmarkah

Jawab semua soalan.Answer all questions.

Bahagian CSection C

32 marksmarkah

Jawab semua soalan.Answer all questions.

Zainal menanam tiga biji benih kacang hijau yang serupa dalam tiga pasu yang sama. Setiap pokok disiram dengan 20 mℓ air setiap hari. Pokok P menerima cahaya matahari selama 8 jam sehari, pokok Q selama 4 jam sehari dan pokok R diletakkan di dalam bilik gelap. Rajah 1 menunjukkan ketinggian pokok itu.Zainal plants three identical green bean seeds in three identical pots. Each plant is given 20 mℓ of water every day. Plant P gets sunlight for 8 hours a day, plant Q for 4 hours a day and plant R is kept in a dark room. Diagram 1 shows the height of the plants.

Line graph of plant height against day. P rises from 5 cm to 17 cm, Q from 5 cm to 11 cm and R from 5 cm to 6 cm, then stays at 6 cm. — Rajah 1Diagram 1

[2 marksmarkah] (a)Nyatakan pemboleh ubah dimanipulasikan dan pemboleh ubah bergerak balas.State the manipulated variable and the responding variable.

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Manipulated: the number of hours of sunlight a day [1 mark]1
Responding: the height of the plant [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (b)Berapakah ketinggian pokok Q pada hari ke-10?What is the height of plant Q on day 10?

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9 cm (number and unit)1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (c)Pokok manakah yang tumbuh paling banyak dalam 15 hari? Berapakah pertambahan ketinggiannya?Which plant grew the most in 15 days? By how many centimetres did it grow?

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P, 12 cm (17 − 5 = 12)1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (d)Buat satu inferens mengapa pokok R berhenti tumbuh.Make one inference why plant R stopped growing.

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It had no sunlight so it could not carry out photosynthesis / could not make food1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (e)Ramalkan ketinggian pokok P pada hari ke-20.Predict the height of plant P on day 20.

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21 cm (P grows 4 cm every 5 days: 17 + 4 = 21)1

Tick each point you got.Tandakan setiap isi yang betul.

[2 marksmarkah] (f)Tulis kesimpulan penyiasatan ini dan terangkan satu sebab.Write the conclusion of this investigation and explain one reason.

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The more hours of sunlight a plant gets, the taller it grows [1 mark]1
Plants need sunlight for photosynthesis to make food / to grow [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

For the teacherUntuk guru: UnderstandingMemahami, lowrendah difficultyaras lowrendah, Unit 4, standard 4.2.2

TextbookBuku teks p.ms. 77

Rajah 2 menunjukkan sepohon pokok yang sama pada tiga masa berbeza pada satu hari yang cerah, P, Q dan R. Jadual 4 menunjukkan panjang bayang-bayang pokok itu pada waktu yang lain.

Masa	8 pagi	10 pagi	12 tengah hari	2 petang	4 petang
Panjang bayang-bayang	150 cm	80 cm	30 cm	80 cm	150 cm

Diagram 2 shows the same tree at three different times on a sunny day, P, Q and R. Table 4 shows the length of the shadow of the tree at other times.

Time	8 a.m.	10 a.m.	12 noon	2 p.m.	4 p.m.
Length of shadow	150 cm	80 cm	30 cm	80 cm	150 cm

Three panels with a tree. In P the Sun is low in the west and the shadow falls to the east. In Q the Sun is low in the east and the shadow falls to the west. In R the Sun is high above the tree and the shadow is short. — Rajah 2Diagram 2

[1 markmarkah] (a)Susun P, Q dan R mengikut urutan masa dari pagi hingga petang.Arrange P, Q and R in order of time from morning to evening.

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Q, R, P (all three in the correct order)1

In the morning the Sun is low in the east (Q), at noon it is high (R), and in the evening it is low in the west (P).

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (b)Dalam Rajah Q, ke arah manakah bayang-bayang pokok jatuh?In diagram Q, in which direction does the shadow of the tree fall?

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West1

Tick each point you got.Tandakan setiap isi yang betul.

[2 marksmarkah] (c)Daripada Jadual 4, nyatakan corak panjang bayang-bayang dari 8 pagi hingga 12 tengah hari dan berapakah panjang bayang-bayang itu berkurang?From Table 4, state the pattern of the length of the shadow from 8 a.m. to 12 noon and by how many centimetres it decreases.

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The shadow becomes shorter [1 mark]1
120 cm (150 − 30 = 120; number and unit) [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

[2 marksmarkah] (d)Mengapakah kedudukan Matahari dan panjang bayang-bayang berubah sepanjang hari?Why do the position of the Sun and the length of the shadow change during the day?

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Earth rotates on its axis [1 mark]1
so the Sun seems to move across the sky from east to west / its position seems to change [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

[2 marksmarkah] (e)Pokok itu tidak mempunyai bayang-bayang pada waktu malam. Terangkan sebabnya.The tree has no shadow at night. Explain why.

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Earth rotates so that the place faces away from the Sun at night [1 mark]1
There is no sunlight to be blocked by the tree, so no shadow forms [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

For the teacherUntuk guru: UnderstandingMemahami, lowrendah difficultyaras lowrendah, Unit 9, standard 9.2.3

TextbookBuku teks p.ms. 163

Hana menguji empat bahan, W, X, Y dan Z. Jadual 5 menunjukkan keputusannya.

Bahan	Menyerap air	Mengalirkan haba	Kenyal
W	Ya	Tidak	Tidak
X	Tidak	Ya	Tidak
Y	Tidak	Tidak	Ya
Z	Tidak	Tidak	Tidak

Hana tests four materials, W, X, Y and Z. Table 5 shows the results.

Material	Absorbs water	Conducts heat	Elastic
W	Yes	No	No
X	No	Yes	No
Y	No	No	Yes
Z	No	No	No

[2 marksmarkah] (a)Bahan manakah yang paling sesuai untuk membuat (i) dasar kuali, (ii) kain pengelap tumpahan air?Which material is the most suitable to make (i) the base of a frying pan, (ii) a cloth to wipe up spilt water?

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(i) X [1 mark]1
(ii) W [1 mark]1

A frying pan base must conduct heat to the food. A wiping cloth must absorb water.

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (b)Bahan Y digunakan untuk membuat getah ketapel. Apakah sifat bahan Y yang menjadikannya sesuai?Material Y is used to make the rubber of a catapult. Which property of material Y makes it suitable?

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It is elastic / it returns to its original shape after being stretched1

Tick each point you got.Tandakan setiap isi yang betul.

[2 marksmarkah] (c)Hana berkata bahan Z sesuai untuk membuat penutup bakul pakaian di luar rumah supaya pakaian tidak basah. Adakah Hana betul? Beri satu sebab.Hana says material Z is suitable to make a cover for an outdoor clothes basket so the clothes do not get wet. Is Hana correct? Give one reason.

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Yes [1 mark]1
Z does not absorb water (it is waterproof) [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

[3 marksmarkah] (d)Hana mahu mengetahui sama ada bahan X atau bahan Z menjadi panas lebih cepat. Terangkan bagaimana dia boleh menjalankan ujian yang adil.Hana wants to find out whether material X or material Z becomes hot faster. Describe how she can do a fair test.

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Soak one end of a strip of X and a strip of Z of the same size in hot water of the same temperature [1 mark]1
for the same time (for example 2 minutes) [1 mark]1
Touch the other ends and see which feels hot first / compare the time they take to feel hot [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

For the teacherUntuk guru: ApplyingMengaplikasi, mediumsederhana difficultyaras mediumsederhana, Unit 8, standard 8.2.4

TextbookBuku teks p.ms. 152

Imran memegang sebuah keratan kad tinggi 10 cm di antara sebuah lampu suluh dengan sebuah skrin. Skrin itu sentiasa 120 cm dari lampu suluh. Dia menggerakkan keratan kad itu pada empat jarak X dari lampu suluh dan mengukur ketinggian bayang-bayang pada skrin. Rajah 3 menunjukkan susunan alat dan Jadual 6 menunjukkan keputusannya.

Jarak X	20 cm	40 cm	60 cm	80 cm
Ketinggian bayang-bayang	60 cm	30 cm	20 cm	15 cm

Imran holds a 10 cm tall card cut-out between a torch and a screen. The screen is always 120 cm from the torch. He moves the cut-out to four distances X from the torch and measures the height of the shadow on the screen. Diagram 3 shows the set-up and Table 6 shows the results.

Distance X	20 cm	40 cm	60 cm	80 cm
Height of shadow	60 cm	30 cm	20 cm	15 cm

A torch, a card cut-out and a screen in a line. The screen is 120 cm from the torch. The distance X is between the torch and the cut-out. — Rajah 3Diagram 3

[3 marksmarkah] (a)Nyatakan pemboleh ubah dimanipulasikan, pemboleh ubah bergerak balas dan satu pemboleh ubah malar.State the manipulated variable, the responding variable and one constant variable.

Show answerTunjuk jawapanHide answerSembunyi jawapan

Manipulated: the distance of the cut-out from the torch [1 mark]1
Responding: the height of the shadow [1 mark]1
Constant (any one): the size of the cut-out / the distance from the torch to the screen / the same torch [1 mark]1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (b)Lengkapkan hipotesis: Apabila jarak keratan kad dari lampu suluh bertambah, ketinggian bayang-bayang ______.Complete the hypothesis: As the distance of the cut-out from the torch increases, the height of the shadow ______.

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decreases / becomes smaller1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (c)Berapakah perbezaan ketinggian bayang-bayang apabila X = 20 cm dengan apabila X = 80 cm?What is the difference between the height of the shadow when X = 20 cm and when X = 80 cm?

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45 cm (60 − 15 = 45; number and unit)1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (d)Ramalkan apa yang berlaku kepada bayang-bayang jika keratan kad itu digerakkan ke jarak X = 10 cm.Predict what happens to the shadow if the cut-out is moved to X = 10 cm.

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The shadow becomes taller / bigger than 60 cm (the nearer the cut-out is to the torch, the bigger the shadow)1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (e)Nyatakan kesimpulan penyiasatan ini.State the conclusion of this investigation.

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The nearer the object is to the torch, the bigger its shadow / the further the object is from the torch, the smaller the shadow1

Tick each point you got.Tandakan setiap isi yang betul.

[1 markmarkah] (f)Untuk X = 60 cm, Imran menggantikan keratan kad itu dengan keratan yang lebih besar. Mengapakah ujian ini tidak adil?For X = 60 cm, Imran replaces the cut-out with a bigger one. Why is this test not fair?

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The size of the cut-out is a constant variable and must stay the same / two things changed (distance and size), so we cannot tell which one changed the shadow1

Tick each point you got.Tandakan setiap isi yang betul.

For the teacherUntuk guru: AnalysingMenganalisis, mediumsederhana difficultyaras mediumsederhana, Unit 1, standard 1.1.12

TextbookBuku teks p.ms. 18

Test specification (JSU)Jadual Spesifikasi Ujian (JSU)

Unit	RememberingMengingat	UnderstandingMemahami	ApplyingMengaplikasi	AnalysingMenganalisis	EvaluatingMenilai	CreatingMencipta	Items	marksmarkah
1. Scientific skills	–	1 (1)	–	1 (8)	–	–	2	9
2. Humans	1 (1)	–	–	1 (4)	–	–	2	5
3. Animals	–	–	1 (1)	–	–	–	1	1
4. Plants	–	2 (9)	–	–	–	–	2	9
5. Properties of light	1 (4)	1 (1)	–	–	–	–	2	5
6. Sound	–	–	1 (1)	–	–	–	1	1
7. Energy	–	–	1 (1)	–	–	–	1	1
8. Materials	–	–	2 (9)	–	–	–	2	9
9. Earth	–	1 (8)	1 (1)	–	–	–	2	9
10. Machines	–	1 (1)	–	–	–	–	1	1
TotalJumlah	2 (5)	6 (20)	6 (13)	2 (12)	0 (0)	0 (0)	16	50

Each cell shows items (marks).Setiap petak menunjukkan item (markah).

SainsScience

Bahagian ASection A

QuestionSoalan 1

QuestionSoalan 2

QuestionSoalan 3

QuestionSoalan 4

QuestionSoalan 5

QuestionSoalan 6

QuestionSoalan 7

QuestionSoalan 8

QuestionSoalan 9

QuestionSoalan 10

Bahagian BSection B

QuestionSoalan 11

QuestionSoalan 12

Bahagian CSection C

QuestionSoalan 13

QuestionSoalan 14

QuestionSoalan 15

QuestionSoalan 16