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    SAMPEL SOALAN-SOALAN BAHAGIAN B(SOALAN 7 dan 8)

    SAMPEL 1

    7 Diagram 7 shows three apparatus set-up to study the factors that affect the rate oftranspiration. The apparatus was left three hours in three conditions L, M and N.

    Rajah 7 menunjukkan tiga susunan set radas untuk mengkaji faktor-faktor yang mempengaruhi kadar transpirasi. Radas itu dibiarkan selama tiga jam dalam tigakeadaan L, M dan N.

    48 . g 4!!. g

    "eginning of the e#periment Awaleksperimen

    $nd of the e#periment Akhireksperimen

    Condition L % &n a dar' room Keadaan L !i dalam sebuah bilik gelap

    48 . g 4(!. g

    "eginning of the e#periment Awaleksperimen

    $nd of the e#periment Akhireksperimen

    Condition M % $#posed to the sunlight Situasi M "erdedah kepada #ahaya matahari

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    48 . g 4)!. g

    "eginning of e#periment Awaleksperimen

    $nd of e#periment Akhireksperimen

    Condition N % *nder a mo+ing fan in a dar' room Situasi N !i bawah kipas berputar dalam sebuah bilik gelap

    Diagram 7 Rajah 7

    a i "ased on the o ser+ation in Diagram 7, record the weight of the potometer in condition L and N into Ta le 7.(.

    $erdasarkan pemerhatian dalam Rajah 7, rekod berat potometer di L dan N ke dalam %adual 7.&.

    /ondition 'eadaan

    0eight of 1otometer g $erat (otometer )g*

    "eginning of the e#periment (ermulaan eksperimen

    $nd of the e#periment Akhir eksperimen

    L 48

    M 48 4(!

    N 48

    Ta le 7.( %adual 7.&

    23 marks23 markah

    ii /ompare the weight of the potometer in condition M and condition N at theend of the e#periment.

    $andingkan berat potometer dalam keadaan M dan keadaan N pada akhir eksperimen.

    ..........................................................................................................................

    2( mark 2( markah

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    iii 5tate one inference that can e made from this study. Nyatakan satu inferens yang boleh dibuat daripada kajian ini.

    ..........................................................................................................................2( mark

    2( markah

    b 5tate the +aria le in+ol+ed in this study. Nyatakan pembolehubah yang terlibat dalam kajian ini.

    Manipulated +aria le (embolehubah dimanipulasi

    6esponding +aria le (embolehubah bergerak balas

    23 marks23 markah

    # Ta le 7.3 shows the weight of the potometer under a mo+ing fan of different speedin one hour.

    %adual 7.+ menunjukkanberat photometer di bawahkipasberputarpadakelajuan yang berlainanselamasatu jam.

    5peed of fan 'elajuan kipas

    0eight of 1otometer g $erat (otometer )g*

    &nitial weight $erat permulaan

    inal weight $erat akhir

    ( 48 4)!

    3 48 4)

    ) 48 43!

    Ta le 7.3 %adual 7.+

    i "ased on the results in Ta le 7.3, state one hypothesis relating the speed of the fan and the final weight of the potometer.

    $erdasarkankeputusandalam%adual 7.+, nyatakan satu hipotesis yang menghubungkaitkelajuankipasdenganberatakhirpotometer.

    2( mark 2( markah

    ii 1redict the final weight of potometer if the speed of fan is 4. Ramalkanberatakhirpotometerjikakelajauankipasialah .

    2( mark

    2( markah

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    8 Diagram 8.( shows two set-up apparatus used to determine the free9ing point and oiling point of distilled water. Rajah .& menunjukkan dua susunan set radas yang diguna untuk menentukan takatbeku dan takat didih air suling.

    Set A Set B

    Rajah .&Diagram 8.(

    a "ased on your o ser+ation in Diagram 8.(% $erdasarkan pemerhatian anda dalam rajah .&

    i 0hich set up of apparatus is used to determine the free9ing point of distilled water:et radas yang manakah diguna untuk menentukan takat beku air suling/

    0000000000000000000...................................................2( mark

    2( markah

    ii 0hat is the purpose of adding ta le salts to the ice cu es in set ;: Apakah tujuan men#ampurkan garam biasa ke dalam kiub ais pada set A/

    ..........................................................................................................................

    2( mark 2( markah

    iii 0hat is the state of matter of the distilled water when it starts to free9e: Apakah keadaan jirim air suling apabila ia mula membeku/

    ..........................................................................................................................2( mark

    2( markah

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    b Ta le 8.( shows the data collected when the distilled water is eing cooled in 5et;.

    %adual .& menunjukkan data yang dikumpul apabila air suling disejukkan padaet A.

    Time / minute Masa/ minit

    ! ( (! 3 3! ) )!

    Temperature / C Suhu/ C

    (! (3 < = )

    Ta le 8.( %adual .&

    i "ased on Diagram 8.3, state the reading of the thermometer. $erdasarkan Rajah .+, nyatakanba#aan thermometer tersebut.

    .. > /

    Diagram 8.3 Rajah .+

    2( mark 2( markah

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    ii "ased on the data in Ta le 8.(, draw a line graph of the temperature ofdistilled water against the time.

    .

    Temperature >/uhu 1 23

    (8.

    (=.

    (4.

    (3.

    ( .

    8.

    =.

    4.

    3.

    !. ( . (!. 3 . 3!. ) . )!. 4 .Time? minute

    Masa1 minit

    23 marks23 markah

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    U V

    ii Diagram 8.) shows four methods of purifying water, 5, T, * and @. Rajah .5 menunjukkan empat kaedah penulenan air, , ", 6 dan .

    S T

    iltrate 8asilturasan

    U V

    Diagram 8.) Rajah .5

    "ased on the operational definition of pure water in 8 # i , classify the methodsin Diagram 8.) which produce pure water.

    $erdasarkan definisi se#ara operasi bagi air tulen dalam 8 # i , kelaskan kaedah penulenan air dalam Rajah .5 yang boleh menghasilkan air tulen.

    Classification Pengkelasan

    Method of ater purification Kaedah penulenan air

    1ure water Air tulen

    &mpure water Air tidak tulen

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    SAMPEL 2

    7. Diagram 7.( shows the response of seedling A,L, M and N to stimuli.

    a 5tate the type of response of each seedlings y referring to the response of their rootor shoot to stimuli.

    24 mar's

    S!!"L#N$S %&&TS &% S'&&TS NAM! &( %!S)&NS! &BS!%V!"

    A

    L

    M

    N

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    Diagram 7.3 shows the response of shoot of seedlings 1 and B towards stimuli

    &n Diagram 7.3, compare the difference in response of shoots of seedlings in 1 and B.

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 2( mar' c 0rite the inference a out the response of the shoots of seedlings in 1 .

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 2 ( mar'

    d "ased on the o ser+ation of the roots of seedlings in *+ gi+e the difference in response ofroot of seedlings in B on the left side and the right side

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 2 ( mar'

    e 0rite the inference a out the response of roots of seedlings in B. either the left orthe right side

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    2 ( mar'

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    8. a ; student found that when he dri+es a lac' painted car, he feels hotter than when he is dri+ing a white painted car as shown in Diagram 8.(.

    i. "ased on your o ser+ations in Diagram 8.(, state the difference in the amount of heat recei+ed y the car in 5ituation ; and 5ituation ".

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 2( mar'

    ii. 0hat inference can e made ased on 5ituation ; and 5ituation " in Diagram 8.(:

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 2( mar'

    iii. 5tate one hypothesis ased on your o ser+ations in Diagram 8.(.

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

    2( mar' ; student carried out an e#periment to study heat a sorption in 5ituation ; and

    5ituation ". Diagram 8.3 shows the set-up of the apparatus to in+estigate thea sorption of heat y different coloured surfaces.

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    1rocedure%

    (. The initial temperature of the water in each of the two tins is recorded.

    3. The "unsen urner is lighted and left urning for (! minutes.

    ). The final temperature of the water in each of the tins is recorded.

    D&; 6;M 8.)

    "ased on Diagram 8.), record the readings of the thermometers in Ta le 8.4.

    2 3 mar's

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    c "ased on the readings in Ta le 8.4, draw a ar chart to show the effect of the colourof a surface on the change in temperature.

    23 mar's

    d 5tate the +aria les in+ol+ed in this e#periment.

    2) mar'se "ased on the e#periment, state the relationship etween the colour of the surface and the amount of heat a sor ed.

    C