SainsScience

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1

Question 1

Kina mahu melihat kaki seekor belalang dengan lebih jelas. Alat manakah yang patut dia gunakan?Kina wants to see the legs of a grasshopper more clearly. Which apparatus should she use?

• ABikarBeaker
• BKanta tanganHand lens
• CJam randikStopwatch
• DPembarisRuler

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B

A hand lens makes small parts of a specimen look bigger, so we can see them clearly (textbook p. 17).

For the teacher: Remembering, low difficulty, Unit 1, standard 1.2.1

Textbook p. 17

2

Question 2

Murid manakah yang mematuhi peraturan bilik sains?Which pupil follows the Science Room rules?

• ARavi makan roti semasa menjalankan aktiviti.Ravi eats bread while doing the activity.
• BMei Ling berlari ke meja guru untuk mengambil bikar.Mei Ling runs to the teacher's table to take a beaker.
• CAina menunggu arahan guru sebelum memulakan aktiviti.Aina waits for the teacher's instruction before she starts the activity.
• DDanial memakai selipar ke bilik sains.Danial wears slippers to the Science Room.

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C

We must not start any activity until the teacher says so. Eating, running and wearing slippers all break the Science Room rules (pp. 24-25).

For the teacher: Understanding, low difficulty, Unit 2, standard 2.1.1

Textbook p. 25

3

Question 3

Ahmad selalu bercakap dan ketawa semasa makan. Apakah yang mungkin berlaku kepadanya?Ahmad often talks and laughs while he eats. What may happen to him?

• ADia berasa mengantukHe feels sleepy
• BGiginya menjadi kuatHis teeth become strong
• CDia membesar dengan cepatHe grows fast
• DDia tersedakHe chokes

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D

Talking or laughing while eating disturbs digestion and can make us choke (p. 54).

For the teacher: Understanding, medium difficulty, Unit 3, standard 3.3.4

Textbook p. 54

4

Question 4

Rajah 1 menunjukkan tengkorak haiwan X. Haiwan X mempunyai gigi taring yang panjang dan tajam. Haiwan manakah yang mungkin haiwan X?Diagram 1 shows the skull of animal X. Animal X has long, sharp canines. Which animal could be X?

• AHarimauTiger
• BKambingGoat
• CArnabRabbit
• DLembuCow

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A

Long, sharp canines are used to tear meat, so X is a carnivore. The tiger is a carnivore; the goat, rabbit and cow are herbivores (pp. 62-64).

For the teacher: Applying, medium difficulty, Unit 4, standard 4.1.4

Textbook p. 64

5

Question 5

Rajah 2 menunjukkan pokok paku pakis. Titik-titik perang di bawah daunnya digunakan untuk membiak. Apakah titik-titik itu?Diagram 2 shows a fern. The brown dots under its leaves are used to reproduce. What are they?

• ABiji benihSeeds
• BSporaSpores
• CAnak pokokSuckers
• DKeratan batangStem cuttings

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B

Ferns have no flowers. Non-flowering plants such as ferns and mushrooms reproduce through spores (p. 73).

For the teacher: Remembering, low difficulty, Unit 5, standard 5.1.1

Textbook p. 73

6

Question 6

Antara pasangan berikut, yang manakah betul?Which pair is correct?

• ALuas sekeping setem – km²Area of a stamp – km²
• BIsi padu air dalam kolam renang – mℓVolume of water in a swimming pool – mℓ
• CLuas lantai bilik darjah – m²Area of a classroom floor – m²
• DIsi padu sebotol air – cm²Volume of a bottle of water – cm²

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C

A classroom floor is measured in square metres (m²). A stamp is small (cm²), a swimming pool holds a lot of water (m³) and cm² is a unit of area, not volume (pp. 80, 85).

For the teacher: Remembering, low difficulty, Unit 6, standard 6.1.1

Textbook p. 80

7

Question 7

Mei Ling memasukkan sebiji telur ke dalam bikar X yang berisi air paip. Telur itu tenggelam. Dia mengacau sesuatu ke dalam air di dalam bikar Y. Telur itu timbul, seperti dalam Rajah 3. Apakah yang dikacau ke dalam bikar Y?Mei Ling puts an egg into beaker X of tap water. The egg sinks. She stirs something into the water in beaker Y. The egg floats, as shown in Diagram 3. What did she stir into beaker Y?

• AGaramSalt
• BPasirSand
• CAir paipTap water
• DBatu kecilSmall stones

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A

Salt dissolves and makes the water more dense, so an object that sank can now float (p. 100).

For the teacher: Applying, medium difficulty, Unit 7, standard 7.1.3

Textbook p. 100

8

Question 8

Rajah 4 menunjukkan kertas litmus selepas setitis bahan Y diletakkan padanya. Kertas litmus biru tidak berubah. Kertas litmus merah bertukar menjadi biru. Antara berikut, yang manakah mungkin bahan Y?Diagram 4 shows litmus paper after a drop of substance Y is put on it. The blue litmus paper does not change. The red litmus paper turns blue. Which of these could substance Y be?

• ACukaVinegar
• BAir minumanDrinking water
• CJus orenOrange juice
• DUbat gigiToothpaste

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D

Only red litmus turned blue, so Y is alkaline. Toothpaste is alkaline. Vinegar and orange juice are acidic; drinking water is neutral (pp. 107, 110).

For the teacher: Applying, low difficulty, Unit 8, standard 8.1.1

Textbook p. 107

9

Question 9

Rajah 5 menunjukkan planet-planet mengikut urutan dari Matahari. Apakah planet X?Diagram 5 shows the planets in order from the Sun. What is planet X?

• ABumiEarth
• BMarikhMars
• CMusytariJupiter
• DZuhrahVenus

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B

The order from the Sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. X is the fourth planet, Mars (p. 117).

For the teacher: Remembering, low difficulty, Unit 9, standard 9.1.1

Textbook p. 117

10

Question 10

Mengapakah kita menggunakan takal?Why do we use a pulley?

• AUntuk mengangkat beban dengan mudah menggunakan daya yang kecilTo lift a load easily using less force
• BUntuk menjadikan beban lebih beratTo make the load heavier
• CUntuk mengukur panjang taliTo measure the length of the rope
• DUntuk menenggelamkan beban di dalam airTo make the load sink in water

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A

A pulley is a simple machine that lets us lift a load easily using less force (p. 128).

For the teacher: Remembering, low difficulty, Unit 10, standard 10.1.1

Textbook p. 128

11

Question 11

Aina mengumpul daun di kebun sekolah. Rajah 6 menunjukkan sehelai daun di atas pembaris.Aina collects leaves in the school garden. Diagram 6 shows one leaf on a ruler.

[1 mark] (a)Berapakah panjang daun itu, dari hujung tangkai hingga hujung daun? Tulis unitnya sekali.How long is the leaf, from the end of its stalk to its tip? Write the unit too.

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• 6 cm (the unit cm must be written)1

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[1 mark] (b)Aina berkata, “Daun ini terasa kasar.” Apakah kemahiran yang digunakan?Aina says, “This leaf feels rough.” Which skill does she use?

AMemerhatiObservingBMengelasClassifyingCMeramalPredicting

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Observing

She uses her sense of touch (skin) to get information about the leaf: observing (p. 2).

[1 mark] (c)Aina mengasingkan daun-daunnya kepada dua kumpulan: daun besar dan daun kecil. Apakah kemahiran yang digunakan?Aina sorts her leaves into two groups: big leaves and small leaves. Which skill does she use?

AMemerhatiObservingBMengelasClassifyingCMeramalPredicting

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Classifying

Sorting things into groups by a characteristic (size) is classifying (p. 5).

[1 mark] (d)Aina berkata, “Mungkin daun ini berwarna kuning kerana sudah tua.” Apakah kemahiran yang digunakan?Aina says, “Maybe this leaf is yellow because it is old.” Which skill does she use?

AMengelasClassifyingBMembuat inferensMaking an inferenceCMengukurMeasuring

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Making an inference

A sensible first reason for what we observe is an inference (p. 9).

For the teacher: Applying, low difficulty, Unit 1, standard 1.1.3

Textbook p. 7

12

Question 12

Rajah 7 menunjukkan makanan tengah hari Hana: nasi, ikan goreng, tempe, sayur-sayuran dan tembikai.Diagram 7 shows Hana's lunch: rice, fried fish, tempeh, vegetables and watermelon.

[1 mark] (a)Apakah kelas makanan bagi nasi?What is the class of food of rice?

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• Carbohydrate1

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[1 mark] (b)Ikan kaya dengan protein. Mengapakah kita memerlukan protein?Fish is rich in protein. Why do we need protein?

AMemberi tenagaTo give energyBUntuk tumbesaranFor growthCMencegah sembelitTo prevent constipation

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For growth

Protein is needed for growth. Carbohydrate gives energy; fibre prevents constipation (p. 43).

[1 mark] (c)Sayur-sayuran mengandungi pelawas. Apakah yang mungkin berlaku jika Hana tidak makan sayur-sayuran?Vegetables contain fibre. What may happen if Hana does not eat vegetables?

ASembelitConstipationBKerosakan gigiTooth decayCKegemukanObesity

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Constipation

Not eating vegetables (fibre) can cause constipation (p. 47).

[1 mark] (d)Hana mengunyah nasi. Gigi manakah yang melumatkan makanan?Hana chews the rice. Which teeth grind the food?

AGigi kacipIncisorsBGigi taringCaninesCGigi gerahamMolars

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Molars

Incisors cut, canines tear and molars grind food (p. 30).

[1 mark] (e)Lengkapkan aliran makanan dalam badan Hana.
Mulut → ______________ → Perut → Usus → DuburComplete the flow of food in Hana's body.
Mouth → ______________ → Stomach → Intestine → Anus

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• Oesophagus1

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For the teacher: Understanding, low difficulty, Unit 3, standard 3.2.2

Textbook p. 43

13

Question 13

Rajah 8 menunjukkan empat haiwan, P, Q, R dan S, sedang makan.Diagram 8 shows four animals, P, Q, R and S, eating.

[1 mark] (a)Haiwan manakah herbivor? Tulis dua huruf.Which animals are herbivores? Write two letters.

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• P and S (both needed)1

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[1 mark] (b)Q makan haiwan lain sahaja. Q dikelaskan sebagai ______.Q eats other animals only. Q is classified as a ______.

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• Carnivore1

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[1 mark] (c)R makan tumbuh-tumbuhan dan haiwan lain. R ialahR eats plants and other animals. R is

Aherbivora herbivoreBkarnivora carnivoreComnivoran omnivore

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an omnivore

An omnivore eats plants and other animals (p. 62).

[1 mark] (d)Berikan satu contoh lain haiwan karnivor.Give one other example of a carnivore.

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• Any one: tiger / lion / snake / frog / cat / shark (not the eagle)1

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For the teacher: Understanding, low difficulty, Unit 4, standard 4.1.3

Textbook p. 62

14

Question 14

Pak Hassan ingin menanam lebih banyak pokok di kebunnya. Rajah 9 menunjukkan dua pokok, P dan Q.Pak Hassan wants to grow more plants in his garden. Diagram 9 shows two plants, P and Q.

[1 mark] (a)Apakah yang patut ditanam oleh Pak Hassan untuk mendapat pokok pisang P yang baharu?What should Pak Hassan plant to get a new banana plant P?

ASporaSporesBAnak pokokSuckersCDaunLeaves

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Suckers

Banana plants reproduce through suckers, the young plants that grow near the bottom of the parent plant (p. 72).

[1 mark] (b)Bagaimanakah Pak Hassan boleh membiakkan pokok bunga kertas Q?How can Pak Hassan grow more bougainvillea Q?

AKeratan batangStem cuttingsBSporaSporesCBatang bawah tanahUnderground stems

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Stem cuttings

Bougainvillea and tapioca reproduce through stem cuttings (p. 73).

[1 mark] (c)Pak Hassan ingin menghasilkan banyak pokok orkid dengan cepat daripada tisu satu pokok induk. Teknologi manakah yang sesuai?Pak Hassan wants to grow many orchid plants quickly from the tissue of one parent plant. Which technology is suitable?

AKultur tisuTissue cultureBTutMarcottage

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Tissue culture

Tissue culture grows many new plants from tiny pieces of a parent plant in a nutrient medium; banana and orchid are examples (p. 77).

For the teacher: Applying, medium difficulty, Unit 5, standard 5.1.1

Textbook p. 72

15

Question 15

Lim mahu mencari isi padu seketul batu. Rajah 10 menunjukkan paras air di dalam silinder penyukat sebelum dan selepas batu itu dimasukkan.Lim wants to find the volume of a stone. Diagram 10 shows the water level in a measuring cylinder before and after he puts the stone in.

[1 mark] (a)Apakah isi padu awal air? Tulis unitnya sekali.What is the initial volume of the water? Write the unit too.

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• 35 mℓ (the unit must be written; accept 35 cm³)1

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[1 mark] (b)Hitung isi padu batu itu.Calculate the volume of the stone.

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• 50 − 35 = 15 cm³ (accept 15 mℓ)1

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[1 mark] (c)Namakan kaedah yang digunakan oleh Lim.Name the method Lim used.

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• Water displacement method1

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For the teacher: Applying, medium difficulty, Unit 6, standard 6.1.6

Textbook p. 91

16

Question 16

Rajah 11 menunjukkan empat objek di dalam sebuah tangki air.
P: daun kering   Q: paku besi   R: bola plastik   S: batuDiagram 11 shows four objects in a tank of water.
P: dry leaf   Q: iron nail   R: plastic ball   S: stone

[2 marks] (a)Kelaskan P, Q, R dan S kepada objek yang timbul dan objek yang tenggelam.Classify P, Q, R and S into objects that float and objects that sink.

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• Float: P and R1
• Sink: Q and S1

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[1 mark] (b)Paku besi Q tenggelam kerana paku itu ______ daripada air.The iron nail Q sinks because it is ______ than water.

Alebih tumpatmore denseBkurang tumpatless dense

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more dense

Objects that are more dense than water sink (p. 98).

[1 mark] (c)Namakan satu benda yang menggunakan konsep ketumpatan untuk menyelamatkan kita di dalam air.Name one thing that uses density to keep us safe in water.

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• Life jacket (accept: buoy / float)1

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For the teacher: Understanding, low difficulty, Unit 7, standard 7.1.2

Textbook p. 98

17

Question 17

Jadual 1 menunjukkan masa yang diambil oleh empat planet, P, Q, R dan S, untuk mengelilingi Matahari sekali.

Planet	Masa untuk mengelilingi Matahari sekali
P	kira-kira 2 tahun
Q	kira-kira 84 tahun
R	1 tahun
S	kira-kira 29 tahun

Table 1 shows the time four planets, P, Q, R and S, take to go once around the Sun.

Planet	Time to go once around the Sun
P	about 2 years
Q	about 84 years
R	1 year
S	about 29 years

[1 mark] (a)Susun planet P, Q, R dan S mengikut jarak dari Matahari, bermula dengan yang paling dekat.Arrange planets P, Q, R and S by their distance from the Sun, starting with the nearest.

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• R, P, S, Q1

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[2 marks] (b)Antara planet P, Q, R dan S, planet manakah yang paling sejuk? Terangkan jawapan anda.Which of the planets P, Q, R and S is the coldest? Explain your answer.

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• Q1
• Q is the farthest from the Sun (it takes the longest time to go around the Sun), so it gets the least heat1

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[1 mark] (c)Nyatakan hubungan antara jarak planet dari Matahari dengan masa untuk mengelilingi Matahari sekali.State the relationship between the distance of a planet from the Sun and the time it takes to go once around the Sun.

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• The farther a planet is from the Sun, the longer it takes to go once around the Sun1

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For the teacher: Analysing, high difficulty, Unit 9, standard 9.1.4

Textbook p. 124

18

Question 18

Rajah 12 menunjukkan seorang pekerja menggunakan takal tetap untuk mengangkat sebaldi simen ke tingkat atas.Diagram 12 shows a worker using a fixed pulley to lift a bucket of cement to the upper floor.

[1 mark] (a)Namakan bahagian X.Name part X.

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• Axle1

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[1 mark] (b)Pekerja itu menarik tali ke bawah. Ke manakah baldi simen itu bergerak?The worker pulls the rope downwards. Which way does the bucket of cement move?

AKe atasUpwardsBKe bawahDownwards

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Upwards

When the rope is pulled down through the groove, the wheel turns and the load is lifted upwards (p. 130).

[1 mark] (c)Mengapakah pekerja itu menggunakan takal dan tidak mengangkat baldi itu sendiri ke tingkat atas?Why does the worker use a pulley instead of carrying the bucket up himself?

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• The pulley helps him lift the load easily, using less force (accept: easier / faster / less tiring)1

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For the teacher: Applying, medium difficulty, Unit 10, standard 10.1.2

Textbook p. 130

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