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    PEPERIKSAAN PERCUBAAN UPSR 2008 - JAWAPAN

    SCIENCEYEAR 6

    Satu jam lima belas minit

    1 Which of the following is a shelter for a bear?

    Antara berikut yang manakah tempat perlindungan bagi seekor beruang ?

    A

    B

    C

    D

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    Answer : D

    Level : Easy

    Reason : Bears usually live in caves.

    2 Which of the following are the reasons for animals to live in solitary ?

    Antara berikut yang manakah sebab-sebab untuk haiwan tinggal bersendirian ?

    I To avoid being attacked Untuk mengelakkan diri dari diburu

    II To avoid sharing of food

    Untuk mengelakkan berkongsi makanan

    III To avoid competition for space Untuk mengelakkan berlaku persaingan untuk mendapatkan ruang

    IV To avoid being detected by its enemies. Untuk mengelakkan dari dikesan oleh musuh

    A I and II only

    I dan II sahaja

    B II and III onlyII dan III sahaja

    C II and IV only

    II dan IV sahaja

    D I, II and III only

    I, II dan III sahaja

    Answer : B

    Level : Average

    Reason : Animals that live in solitary usually avoid competition for food and

    space. They usually mark their territory to warn their enemies.

    2

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    3 Diagram 1 shows a square.

    Rajah 1 menunjukkan sebuah segiempat sama.

    D

    Diagram 1Rajah 1

    If the length of AB is 10 cm. What is the area of this square?

    Jika panjangAB 10 cm, berapakah luas permukaan segiempat sama tersebut?

    A 20 cm2

    B 40 cm2

    C 50 cm2

    D 100 cm2

    Answer : D

    Level : Easy

    Reason : To find the area of a square, we use the formula :

    Area = Length X Width

    = 10cmX 10cm

    = 100 cm2

    3

    D

    A B

    C

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    4 Diagram 2 shows a cube and a measuring cylinder filled with 45 cm of water.

    Rajah 2 menunjukkan sebuah kiub dan sebuah silinder penyukat yang telah diisikan

    dengan 45 cm air

    CubeKuib

    How many cubes must be put into the measuring cylinder to make the reading of

    water level 55 cm?Berapakah jumlah kuib yang perlu digunakan untuk mengisi silinder penyukat

    sehingga takat bacaan aras air sebanyak 55 cm?

    A 4

    B 6

    C 8

    D 10

    Answer : D

    Level : High

    Reason : The volume of water (1 st reading) = 45 cm

    1 cube = 1 cm

    If 55 cm = 10 cm = 10 cubes

    4

    Measuring cylinderSilinder penyukat

    Water

    Air1 cm

    Diagram 2Rajah 2

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    5 Diagram 3 shows an investigation.

    Rajah 3 menunjukkan satu penyiasatan

    Diagram 3Rajah 3

    After one week, the nail rusted. Why does the nail rust?

    Selepas seminggu paku didapati berkarat. Mengapakah paku itu berkarat?

    A It is exposed to air.

    Paku terdedah kepada udara

    B It is exposed to air and water. Paku terdedah kepada udara dan air

    C It is exposed to sunlight and water.Paku terdedah kepada cahaya matahari dan air

    D It is exposed to sunlight and air.Paku terdedah kepada cahaya matahari dan kapas.

    Answer : B

    Level : Average

    Reason : Rusting is caused in the presence of water and air

    5

    SunMatahari

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    6 Diagram 4 shows an investigation

    Rajah 4 menunjukan satu penyiasatan.

    Red wet litmus paper Blue wet litmus paper

    has no change Diagram 4 has change to red

    Kertas litmus merah Rajah 4 Kertas litmus biru bertukar

    tidak berubah menjadi merah

    Substance P is

    Bahan P ia lah

    A C

    B D

    Answer : C

    Level : Average

    Reason : Orange juice tastes sour. It will turns blue litmus paper red.

    7 Which of the following sequence shows the development of agricultural technology ?

    Antara berikut yang manakah susunan urutan betul tentang perkembangan teknologi

    6

    Substance P

    Bahan P

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    pertanian ?

    A

    B

    C

    D

    Answer : B

    Level : Average

    Reason : In the olden days , primitive people used a stick to dig a hole to plant

    their seeds. Then they used a hoe made of stone . After that, they used

    animals to plough their lands. Later , they used technology.

    8 Diagram 5 shows the movements of the Earth and the moon.

    Rajah5 menunjukkan pergerakan Bumi dan Bulan.

    7

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    Diagram 5

    Rajah 5

    Which of the following is caused by the movements?

    Antara berikut, yang manakah menyebabkan berlakunyapergerakan?

    I The sun rises from the west.

    Matahari terbit di sebelah Barat.

    II Occurrence of the day and night.

    Berlaku kejadian siang dan malam.

    III Phases of the moon. Fasa fasa bulan.

    A I and II only

    I dan II sahaja

    B I and III onlyI dan III sahaja

    C II and III only

    II dan III sahaja

    D I, II and III only

    I, II dan III sahaja

    Answer : C

    Level : Average

    Reason : The occurence of day and night is due to the fact that the Earth is

    rotating on its axis. The phases of the Moon is the appearance of the

    the Moon changes every night.

    9 Diagram 6 shows the observation on a slice of mouldy bread on certain days.

    Rajah 6 menunjukkan pemerhatian ke atas sekeping roti yang berkulat pada

    hari hari tertentu

    8

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    Day 1 Day 5 Day 9 Day 12

    Hari pertama Hari kelima Hari kesembilan Hari keduabelas

    Diagram 6

    What conclusion can be made from the observation above?

    Apakah rumusan yang dapat dibuat dari penyiasatan di atas?

    A The mould grows.

    Kulapuk roti tumbuh

    B The mould moves.

    Kulapuk roti bergerak

    C The mould breathes

    Kulapuk roti bernafas.

    D The mould responses to stimuli.

    Kulapuk roti bergerak terhadap ransangan

    Answer : A

    Level : Easy

    Reason : Moulds grow when there is presence of water , air and food.

    10 Diagram 7 shows two male fishes in two containers. Rajah 7 menunjukkan dua ekar ikan jantan di dalam dua bekas yang berlainan.

    .

    9

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    Diagram 7

    Rajah 7

    What will happen if the two fishes when placed in the same container?

    Ramalkan apa akan berlaku jika kedua dua ikan jantan tersebut dimasukkan ke

    dalam bekas yang sama?

    A The fishes will fight each other.

    Kedua dua ikan tersebut akan bergaduh.

    B The fishes will live together.

    Kedua dua ikan tersebut akan hidup bersama.

    C The fishes will die

    Kedua dua ikan tersebut akan mati.

    D The fishes will leap out from the container.

    Kedua dua ikan tersebut akanmelompat keluar dari bekas tersebut.

    Answer : A

    Level : Average

    Reason : The fishes will fight to compete for food and space.

    11 Which of the following animal is already extinct?

    Antara yang berikut , haiwan manakah yang telah mengalami kepupusan?

    10

    A C

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    Answer : D

    Level : Easy

    Reason : Dodo is a type of species that have been extinct due to

    illegal hunting and logging activities.

    12 Which of the following appliances can change the electrical energy into heat energy? Antara yang berikut, peralatan yang manakah dapat menukar tenaga elektrik

    kepada tenaga haba?

    Answer : B

    Level : Average

    Reason : Electric rice cooker is one of appliances that changes electric energy to heat

    energy.

    13 Diagram 8 below shows different types of electrical circuits.

    11

    A C

    B D

    B D

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    Rajah di bawah menunjukkan litar elektrik yang berbeza.

    I II

    III IV

    Diagram 8

    Which of the following represent parallel circuits?Antara berikut, yang manakah mewakili litar selari?

    A I and III only

    I dan III sahaja

    B II and IV onlyII dan IV sahaja

    C I, II and III only I, II dan III sahaja

    D II, III and IV onlyII, III dan IV sahaja

    Answer : B

    Level : High

    Reason : In a parallel circuit, bulbs are arranged in two or more branches.

    There will be multiple pathways through which current can flows in

    closed circuits.

    12

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    14 Diagram 9 shows a source of electrical energy.

    Rajah 9 menunjukkan punca tenaga elektrik.

    Which of the following devices uses the source of electrical energy shown above?

    Antara berikut, peralatan yang manakah menggunakan punca elektrik yangditunjukkan di bawah?

    A C

    B D

    Answer : D

    Level : Average

    Reason : An accumulator is a rechargeable chemical cell used to produce

    electricity. It is widely used to start an engine ,power the radio of a car or lorry and

    light up headlights.

    15 Diagram 10 shows a steel bridge.Rajah 10 menunjukkan sebuah jambatan besi.

    gap

    13

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    ruang

    roller

    pengguling

    Diagram 10Rajah 10

    What is the function of the rollers and gaps that are found on steel bridges as shown

    in the diagram above? Apakah peranan pengguling dan ruang-ruang yang terdapat pada jambatan besi

    yang ditujukkan seperti rajah di atas?

    A To allow the bridge to contract on a cold day.

    Untuk memberi laluan kepada jambatan besi tersebut mengecut ketika cuacayang sejuk.

    B To allow the bridge to contract on a hot day.

    Untuk memberi laluan kepada jambatan besi tersebut mengecut ketika cuacapanas.

    C To prevent the bridge from collapsing on a cold dayUntuk mencegah berlakunya jambatan runtuh ketika cuaca sejuk.

    D To prevent the bridge from bending on a hot day.

    Untuk mencegah berlakunya pembengkokan jambatan ketika cuaca panas.

    Answer : D

    Level : High

    Reason : Solid objects will expand when heated and contracted when cooled.

    When solid is being heated, it increased in size and returned to its

    original size after it is cooled. So, the bridge will not collapse or bend.

    16 What can be done to increase the stability of the bench as shown?Apakah yang dapat dilakukan untuk meningkat kestabilan bangku seperti yang

    ditunjukkan di bawah?

    14

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    I Increase the heights of the legs

    Menambahkan ketinggian kaki bangku.

    II Increase the base area of the legs

    Menambahkan keluasan tapak

    III Lower the bench

    Merendahkan kedudukan bangku.

    IV Increase the top of the bench Menambahkan ketinggian permukaan bangku

    A I and IV only

    I dan IV sahaja

    B II and III only

    II dan III sahaja

    C I, II and III only

    I, II dan III sahaja

    D I, III and IV only

    I, III dan IV sahaja

    Answer : B

    Level : Average

    Reason : The stability of a structure is affected by two factors.

    i) Its height which is related to the centre of gravity force.

    ii) Its base area

    17 Diagram 11 below shows a container filled with water.Rajah 11 di bawah menunjukkan bekas yang berisi dengan air.

    15

    WaterAir

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    Diagram 11 Rajah 11

    From the observation , it shows that water

    Daripada pemerhatian , ia menunjukkan bahawa air

    A does not have a fixed shape

    tidak mempunyai bentuk yang tetap

    B cannot fill up space

    tidak dapat memenuhi ruang

    C has the same mass mempunyai jisim yang sama

    D has a fixed volume

    mempunyai isipadu tetap

    Answer : A

    Level : Average

    Reason : Liquids can flow easily. Therefore it has no fixed shape. A liquid takes

    the shape of the container into which it is poured.

    18 Which of the following is a solid?

    Antara berikut , yang manakah berada dalam keadaan pepejal?

    A Oxygen Oksigen

    B Mercury

    Merkuri

    C Haze

    Jerebu

    D Table

    Meja

    Answer : D

    Level : Easy

    16

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    Reason : A table is a solid object. Solids have fixed shape, volume and mass.

    Solid objects have various shapes and sizes.

    19 The information below shows four situations P, Q and R.

    Maklumat di bawah empat situasi P, Q dan R.

    Which of the following represent P, Q and R? Antara berikut yang manakah mewakili P, Q dan R?

    P Q R

    A EvaporationPenyejatan

    MeltingPeleburan

    CondensationKondensasi

    B EvaporationPenyejatan

    FreezingPembekuan

    CondensationKondensasi

    C MeltingPeleburan

    CondensationKondensasi

    EvaporationPenyejatan

    D Condensation

    Kondensasi

    Evaporation

    Penyejatan

    Melting

    Peleburan

    Answer : A

    Level : Average

    Reason : Evaporation is a process when a liquid changes to gas. Melting is a

    process when solid changes to liquid. Condensation is a process when

    water vapour is cooled and changes to water which is in the liquid

    state.

    20 Table 1 below shows substances P, Q and R . These substances are tested

    17

    P - The wet clothes dry

    P - Pakaian basah mengering

    Q - The ice cubes meltQ - Kiub ais melebur

    R - The formation of clouds

    R - Pembentukan awan

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    using red litmus papers.

    Jadual 1 di bawah menunjukkan bahan P, Q and R . Bahan- bahan ini diuji

    menggunakan kertas litmus merah.

    Type of SubstanceJenis bahan

    Colour changes of litmus paperPerubahan warna kertas litmus

    P No changeTiada perubahan

    Q Turns blueBertukar biru

    R No changeTiada perubahan

    Table 1

    Jadual 1

    Which of the following substances represents P, Q and R correctly?Antara yang berikut, yang manakah bahan mewakili W, X dan Y dengan betul?

    P Q R

    A Acidic Alkaline Neutral

    Berasid Beralkali Neutral

    B Neutral Alkaline Acidic

    Neutral Beralkali Berasid

    C Alkaline Acidic NeutralBeralkali Berasid Neutral

    D Alkaline Neutral Acidic

    Beralkali Neutral Berasid

    Answer : A

    Level : HighReason : When a substance is acidic, it will not change the colour of red litmus

    paper, when it substance al alkaline, it turns the red litmus paper to blue. When a

    substance is neutral, the colour of red litmus paper remained.

    21 Diagram 12 shows a boy standing in front of a mirror can see an image of himself in

    the mirror.Rajah 12 menunujukkan seorang budak lelaki sedang berdiri di hadapan sebuah

    18

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    cermin. Dia dapat melihat imejnya sendiri di dalam cermin tersebut.

    imageimej

    Diagram 12Rajah 12

    This shows that

    Ini menunjukkan

    A the mirror absorbs light.

    cermin dapat menyerap cahaya

    B the mirror refracts light.

    cermin dapat membiaskan cahaya

    C the mirror reflects light.

    cermin dapat memantulkan cahaya

    D the mirror disperses light.cermin dapat menyebarkan cahaya

    Answer : C

    Level : Average

    Reason : When rays of light from a light source falls on you, the light will be

    reflected into a mirror. An image will be formed in the mirror and the

    mirror reflects the image into your eyes.

    22 Diagram 13 shows the different positions of the Moon as it moves

    around the Earth.

    19

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    Rajah 13 menunjukkan kedudukan bulan sewaktu mengelilingi Bumi.

    Diagram 12Rajah 12

    Diagram 13

    Rajah 13

    Which of the following represent P?Antara berikut, yang manakah mewakili P?

    Answer : C

    Level : Average

    Reason : It occurs when the Moon reflects the light from the Sun. At this

    situation it is the full Moon.

    23 The following information is related to the rotation of the Earth. Maklumat di bawah menunjukkan hubungan dengan putaran Bumi di atas

    paksinya.

    20

    P

    A

    B

    C

    D

    SunlightCahaya

    matahari

    P

    EarthBumi

    The Earth completes one rotation every 24 hours.

    Bumi berputar di atas paksinya 24 jam sehari.

    The Earth rotates on its axis from west to east.Bumi berputar dari Barat ke Timur

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    Which of the following are the effects due to the movement of the Earth around theSun?

    Antara berikut, yang manakah kesan pergerakan Bumi mengelilingi Matahari?

    I Day and night Siang dan malam

    II The length of the shadow of an object changes

    Panjang bayang bayang objek berubah

    III The position of the shadow of an object changes Kedudukan bayang objek berubah

    A I and II onlyI dan II sahaja

    B I and III onlyI dan III sahaja

    C II and III only

    II dan III sahaja

    D I, II and III

    I, II dan III sahaja

    Answer : DLevel : High

    Reason : The movement of the Earth around the Sun causes the occurrence of

    day and night, the Sun rises in the east and sets in the West.

    24 Diagram 14 shows a lighthouse.

    Rajah 14 menunjukkan sebuah rumah api.

    21

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    Diagram 14

    The lighthouse is built with a cylindrical shape to make it more stable. This is

    because, the cylindrical shapeRumah api tersebut dibina berbentuk silinder. Ini adalah untuk menjadikannya

    lebih stabil. Bentuk silinder digunakan kerana ia ....

    A reduces the effect of wind.

    mengurangkan kesan tiupan angin.

    B is easier for it to be seen by ships.untuk menyenangkan kapal melihatnya dari jauh.

    C can reduce vibrations of the tides.mengurangkan kesan getaran dari arus gelombang

    D can prevent the lighthouse from being flooded by water.mengelakkan rumah api tersebut dilanda banjir.

    Answer : C

    Level : Average

    Reason : The cylindrical shape is used to withstand the tides so as it can

    reduced vibrations and made it more stable.

    25 Diagram 15 shows four pots of plants.Rajah 15 menunjukkan tumbuhan yang ditanam di dalam empat buah pasu.

    22

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    Diagram 15

    Rajah 15

    Which pot will have plants with more leaves and bigger stems after two weeks?Tumbuhan di dalam pasu manakah yang akan mempunyai bilangan daun yang

    lebih banyak dan saiz batang yang lebih besar selepas dua minggu?

    A P

    B Q

    C R

    D S

    Answer : C

    Level : Average

    Reason : Plants compete for sunlight, water ,nutrients and space. If more plants

    grow in an area, the competition in that area gets more intense.

    26 Table 2 shows the time taken by four toy cars complete a 50 metres race.

    Jadual 2 menunjukkan masa yang diambil oleh empat buah kereta mainan untuk

    menamatkan perlumbaan sejauh 50 meter.

    Toy car

    (Kereta mainan)

    Time taken (s)

    (Masa diambil)

    23

    P Q R T

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    P13

    Q12

    R14

    S11

    Table 2

    Jadual 2

    Arrange the speed of the toy cars from the slowest to the fastest.

    Susun kelajuan kereta mainan dari yang paling perlahan hingga ke yang paling laju.

    A S, Q, P, R

    B R, P, Q, S

    C P, Q, R, S

    D S, R, Q, P

    Answer : B

    Level : Easy

    Reason : Objects that moves faster takes a shorter time to travel in a given

    distance.

    27 Diagram 16 shows the positions of the load, fulcrum and force in a lever.Rajah 16 menunjukkan kedudukan beban, fulkrum dan daya di dalam tuas.

    24

    LoadBeban

    FulcrumFulkrum

    Force

    Daya

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    Diagram 16Rajah 16

    Which of the following activities uses the same class of lever as the one shown

    in Diagram 16?Antara berikut, aktiviti manakah yang mengunakan tuas kelas yang sama

    seperti yang ditunjukkan dalam Rajah 16?

    A B

    C D

    Answer : A

    Level : Average

    Reason : The hammer is the first class lever. It is the same class lever as shown

    in the diagram.

    28 Which of the following can be disposed by recycling?

    Antara berikut, yang manakah boleh dikitar semula?

    A Food leftovers Sisa makanan

    B Glass bottles

    Botol kaca

    25

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    C Rotten vegetablesSayuran yang telah rosak

    D Old clothes

    Pakaian lama

    Answer : B

    Level : Easy

    Reason : Glass bottles are objects that can be recycled and reused.

    29 Diagram 17 shows a natural phenomenon.

    Rajah 17 menunjukkan satu fenomena semulajadi.

    Diagram 17

    Rajah 17

    State the phenomenon that occurs?

    Nyatakan fenomena yang berlaku

    A Eclipse of the Moon.Gerhana Bulan

    B Phases of the Moon.Fasa-fasa Bulan

    C Eclipse of the Sun.

    Gerhana Matahari

    D Occurrence of day and night.Kejadian siang dan malam.

    Answer : C

    Level : Average

    Reason : The eclipse of the Sun occurs when the Moon is in between the Sun

    26

    MoonBulan

    Earth

    Bumi

    SunMatahari

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    and the Earth. The Earth. , the Moon and the Sun are in a straight

    line.

    30 A troop of scouts was sleeping in a tent. Suddenly it rained heavily. They found

    out that water was dripping through a few holes of the tent. Sepasukan pengakap sedang tidur di dalam sebuah khemah. Tiba-tiba hujan

    turun dengan lebatnya. Mereka mendapati air hujan menitis melalui lubang-lubang yang terdapat pada khemah tersebut.

    Which of the following is suitable to cover the holes?

    Antara berikut, bahan yang manakah sesuai digunakan untuk menutup lubang-

    lubang tersebut?

    A Paper. Kertas

    B Cotton

    Kapas

    C Plastic bag Beg plastik

    D Cloth Kain

    Answer : C

    Level : Average

    Reason : Plastic is an object that cannot absorbs water. Therefore, plastic bags

    can be used to cover the holes.

    27