sains k2 melaka qna

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SULIT 3(b) The followirig diagrams are the stages of birth and death of stars.

Rajah-rajah berikut adalah peringkat-peringkat dalam kelahiran dan kematian bintang.Arrange the stages in the correct sequence by writing the number of 1, 5 or 6in the boxes provided. Stages 2, 3 and 4 have been given.Susun peringkat-peringkat tersebut mengikut turutan yang betul dengan menulis nombor I. 5atau 6 dalam kalak yang telah disediakan. Peringkat Z , 3 dan 4 telah pun diberikan.

DVD

[3 marks][3 markah}

5 5 1 2 o 2011 Hak Opt. MPSM Cawangtn Mel.1uI [Lihat SebelahSULIT

55/2 Fo rExaminer'sUseUntl l l l

k~tll"{fn"ptmerilwf

l(b)D

JumlahD


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SULIT 5(iv) Give an example of other energy sources in the same class stated in 2 (a)

(iii).Berikan satu contoh sumber tenaga lain di bawah kelas yang sama seperti dinyatakandalam 2(a)(iii).

(b) Diagram 2.3 shows an energy conversion.Rajah 2.3 meunjukkan satu perubahan tenaga.

Electrical energyTenaga elekirik

Heat energyTenaga haba

Diagram 2.3Rajah].J

Which of the following situations show the same energy change as in the Diagram2.3?Yang manakah antara situasi berikut menunjukJcan perubahan tenaga yang sama seperti dalamRajah 2.3?Mark ../ your answer in the box provided under the following diagrams.Tandakan ,/ jawapan anda dalam kotak yang disediakan di bawah rajah berikut.

D D D55/2 0 lOll Hak Opbl MPSM c..anpn M.laka [Lihat Sebelah

SULIT

55/2

[I mark]{J markah]

[2 marks][2markah}

ForExaminer 'sUse

2(a)(iv)D

2(b)

DJumlahD


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Fo rexaminer'sUs eU " " , k. . . . . . . .. . . .

3(a)(i)

D3(a)(ii)D

SULIT 63. Diagram 3.1 shows two beakers, X and Y containing a plant. Both beakers are placed

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maroom.R ajah 3.1 m enunjukkan dua bikar , X dan Y yang m engandungi sebatang tum buhan . Kedua-dua bikard ib ia rk an d i d ala m b ilik :

X YDiagram 3.1Rajah 3.1

(a) (i) In which beaker the plant will wilts after one hour?T um bu ha n d ala m b ik ar m an aka h a ka n la yu s ele pa s s atu ja m?

(ii) Give one reason for the answer in 3.1 (a).Beri s atu s eb ab b ag ija wa pa n d ala m 3. 1(a).

(b) Diagram 3.2 shows two types of plants, P and Q.Rajah 3.2 m en un ju kk an d ua je nis tu mb uh an , P a nd Q .

( ' ~ I ' h I 'I ~~

Plant PTumbuhan P

Plant QTumbuhan Q

Diagram 3.2Rajah3.)

55/2 "2011 Hak apa MPSMC... .. n .. . Me"ko

[1 mark][I markah]

[I mark]tt markah]

[Lihat SebelahSULIT


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SULIT 7(i) How are plant P and Q supported?

Bagaimanakah tumbuhan P dan Q mendapat sokongan masing-masing?

Plant P :Tumbuhan P : ..

Plant Q:Tumbuhan Q : ..

[2 marks][2 markah]

(ii) Name one other plant which has the same support system as plant P.Namakan satu tumbuhan lain yang mempunyai sistem sokongan seperti tumbuhan P.

.......................................................................................[1 mark][I markah]

(iii) Diagram 3.3 shows the cross sections of the stems of two plants.Rajah 3.3 menunjukkan keratan rentas batang bagi dua tumbuhan.

J KDiagram 3.3

Rajah 3.3Which section shows the stem of plant Q?Keratan rentas yang manakah sepadan dengan tumbuhan Q?

.......................................................................................[1 mark][/ markah]

55/2 o 1011H .k C lp ll MPSM C.w .n , . . Mel .kA [Lihat SebelahSULIT

55/2 Fo rExaminer'sUs eUn,ut

3(b)(i)

D3(b)(ii)D

3(b)(iii)DJumlahD


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Fo rExaminer's

UseURI....UpJ.un- -

4(a)

4(b)

SULIT 8 55/24. Diagram 4 shows a patient and four blood donors, K, L, M and N with their respective

blood group.Rajah 4 m enu nju kka n se ora ng pe sakit da n em pa t pe nd erm a d ar ah, K , L , M da n N d eng an kum pulanda rah mas ing -mas ing .

Donor KP end erm a K

Blood group AK um pulan D arah A

Donor MPendermaM

Blood group 0Kum p ula n D ar ah 0

Donor LP enderm a L

Recipient (patient)Pene r ima ( p es ak it )Blood group BK um pu lan D ar ah B

Blood group BKum pulan D arah B

DonorNPendermaN

Blood group ABK um pu lan D ar ah A B

Diagram 4Raja" "(a) Based on Diagram 4, state two donors who can donate blood to the patient safely.B e rd as ar ka n R aja h 4, n ya ta ka n d ua p en de rm a y an g la ya k m en de rm aka n d ar ah ny a ke pa dap es ak it d en ga n s ela m at.

(b) Which blood group in 4(a) is a universal donor?Y an g m an ak ah je nis d ar ah d ala m 4 (a ) a da la h p en de rm a u nive rsa l?

55/2 ()2011Hak C;pca MPSM Cawa.,.n M.....

[2 marks][ 2 ma rk ah ]

[I mark]1 ma r ka h ]

[Lib at SebelabSULIT


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9 55/2(c) What would happen if an incompatible type of blood is transfused to a recipient?

Apakah yang akan berlaku jika kumpulan darah yang dipindahkan kepada penerima tidak serasi ?

..................................................................................................... (1 mark][ / markah]

State two conditions that require blood transfusion other than injuries due toaccidents.Nyatakan dua keadaan yang memerlukan pemindahan darah selain daripada kecederaan disebabkankemalangan.

(d)

(i) ..............................................................................................(ii) .............................................................................................. [2 marks]

[2 markah]

e 2 01 1 H .k C ip la M P SM C ll lw l tt Sg lt nM~lak. [Lihat SebelahSULIT

ForExaminer'sUs eU n ' ' ' 'b,"ICGlIII

Plmtriltffl.

4(c)D4(d)D

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Fo r SULITEXJJmin.r'~

5(a)

D5(b)D5(c)

D

10 55/25. Diagram 5.1 shows an activity carried out between the iron filings and sulphurpowder that are mixed thoroughly.

Rajah 5./ m en un juklca n a kiiviti ya ng tela h dija la nk an a nta ra s erbuk besi den ga n serbu k s ulfur ya ngtelah d icampurkan.

iro n fillin gs ~serbuk besi ~

spatula;!_spatula

Ii ~...sulphur powders e rb uk s u lf ur

petri dishp ir in g p e tr i

Diagram 5.1R aja h 5.1

(a) What will happen if the magnet bar is brought near the petri dish?A pa ka h y an g a ka n b er la ku jik a b ata ng m ag ne t d ile ta klc an b er de ka ta n d en ga n p ir in g p etr i ?

[lmark][/ m ar ka h}

(b) Is the substance in the petri dish is a mixture or compound?A da ka h b ah an d i d ala m p ir in g p etr i a da la h s atu c am pu ra n a /a u s eb atia n?

[1 mark][/ markah]

(c) If the iron fillings and sulphur powder are heated strongly, what substance isproduced?J ik a s er bu k b es i d an s er b u k s ulfu r d ip an as ka n d en ga n k ua t, b ah an a pa ka h y an g te rh as il?

[I mark][I markah}

55/2 010" .... Clpta"", ,SM c........ Mdaka [Lihat SebelahSULIT


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SULIT 11(d) Can the new substance stated in 5(c) attracted by the magnet bar? Why?

B ole hka h b aha n b ar u ya ng din ya ta ka n d ala m 5( c) te rta rik k ep ad a ba r m ag ne t? M en ga pa ?

[2 marks][2 markah]

(e) Diagram 5.2 shows two methods of separating mixtures.Rajah 5.2 menunjukkan du a k ae da h u nt uk m e ng as in gk an s ua tu c am p ur an .

funnelcorong

mixturecampuran

A BDiagram 5.2Rajah 5.2

(i) Name the methods shown in Diagram 5.2.N am aka n ka ed ah y an g d itu nju kka n d ala m R aja h 5.2 .Method A:Kaedah A

Method B:KaedahB

(ii)[2 marks][2 markah]

Give one example of a mixture that can be separated into its componentby using method B.B erika n sa tu co nto h ca mpura n ya ng bo leh diasin gkan kepa da ko mpo nen nya denga nmenggunakan kaedah B.

[1 mark][ 1 ma rk a h]

[Lihat SebelahSULIT

55/2 ForEXilminer'sUs e

5(d)D

5(e)(i)D5(e)(ii)DumlahD


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6(a)(i)D

SULIT 12 55/26. (a) The following are steps in an investigation to study that carbon dioxide is

necessary for photosynthesis.B er ik ut a da la h la ng ka h-la ng ka h da la m su atu p en yia sa ta n un tuk m en un ju kka n ka rb on d io ks idad ipe r lu kan un tu k p rose s f o to s in te s is .

bell jars er ku p k ac a

sodiumhydroxidesolutionlarutannatriumhidroksida

green plantt umb uh an h ij au

pot with soilp as u b un ga b er is i ta na h

glass sheetk ep in g an k ac a

Diagram 6.1Rajah6.J

Step 1 : Place two flowerpots containing green plants in a dark cupboard for twodays.

: Letakka n dua pa su tum buhan hijau di da lam a lm ari gelap selam a dua ha ri.: Set up the apparatus as shown in the Diagram 6.1. Expose the plants

to sunlight for two hours.S ed ia ka n r ad as s ep er ti d itu nju kk an d alam R aja h 6.1. Dedahk an tumbu han itu dib aw ah ca ha ya m ata ha ri s ela ma du a j am .Test a leaf for starch each from plants A and B.

: Jala nkan ujia n ka nji kea ta s sehelai da un dari pa cta tum buha n A dan B .

Langkah IStep 2L an gkah 2Step 3Langkah 3

(i) Why should the apparatus in sets A and B be placed in the darkness fortwo days before the experiment?M engapakah set radas A dan B perlu diletakkan dalam keadaan gelap selam a dua haris eb el um memul ak an e ks pe rim en?

[I mark][1 markah]

[Lihat SebelahSULIT55/2 01011 Ihk Cipt> MPSM c..........M.LlIca


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SULIT 13(ii) Which set of plants that will indicate the presence of starch after two hours?Tumbuhan daripada set manakah yang akan menunjukkan "kehadiran kanji selepas dua

jam?.......................................... , .

(iii) What is the purpose of placing the sodium hydroxide solution in set A?Apakah tujuan meletakkan larutan natrium hidroksida pada set A?

[1 mark]{I markah]

..............................................................................................[1 mark][1 markah]

Apart from carbon dioxide, name one other substance required by green plants tocarry out photosynthesis.Selain daripada karbon dioksida, berikan satu bahan lain yang diperlukan oleh tumbuhan hijauuntuk menjalankan proses fotosintesis .

(b)

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

55/2 eJ Ol l H ak C ip l. M PS M C aw ln ga n M cl ak .

[1 mark][1 markah]

(Lihat SebelahSULIT

55/2 Fo rExaminer'sUSt

6(a)(ii)D6(a)(iii)D

6(b)D


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Fo rExlUftint,'S

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6(c)(i)D6(c)(ii)D

SULIT 14 55/2(c) The followings are the steps conducted to investigate the presence of starch in the

leaves if photosynthesis takes place.B eriku t a da la h la ng ka h-la ng ka h y an g d ija la nka n u ntu k m en yia sa t ke ha dir an ka nji d i d ala m d au nj ik af ot os in te si s b e rl ak u.

oboilingwater leafdaun- m boiling waterleaf a i r mend id i hdaun theat

haba

alcoholalkohol

iodinesolutionlarutan IIiodin '#

\I 1" ,hot w a te r-b1air panas _- leaf

daun

(i) What is the structure that is removed from the leaves when the leaves areboiled in alcohol in step 2?A pa ka h s tr uk tu r y an g d isin gk ir ka n d arip ad a d au n a pa bi/a d au n te rs eb ut d id id ih ka n d id ala m a lk oh ol d al am l an gk ah 2?

[Imark][ 1 m a rk ah ]

(ii) What can be observed after step 4 is carried out??A pa ka h y an g b ol eh d ip er ha ti ka n s ele pa s la ng ka h d ij al an ka n?

[I mark}I! markah]

55/2 C > 1011Hok Clpta MPSM c........ Me"ko[Lihat Sebelah

SULIT


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SULIT 15(d) Diagram 6.2 shows an aquarium with aquatic plant being placed in the house.Rajah 6.2 menunjukkan akuarium yang mengandungi tumbuhan akuatik yang telah diletakkan

di dalam rumah.

aquaticplanttumbuhanakuatik

Diagram 6.2Rajah 6.2

(i) Suggest one way to keep the aquatic plant in the aquarium green.Cadangkan satu cara untuk mengekalkan kehijauan tumbuhan akuatik di dalamakuarium tersebut.

[1 mark](J markah]

(ii) Give one reason for the answer in 6(d)(i).Berikan satu sebab bagijawapan anda dalam 6(d)(i).

[Imark][J markah]

55/2 "1011 H.k c;p.. MPSIIIC.w.n n 1II,Iob [Lihat SebelahSULIT

55/2 Fo rExaminer',Us e

6(d)(i)D6(d)(ii)

DJumlah

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Fo r SULIT 1 6 55/2EXIImbttr'sUs~_ Section Bt.pM..- - Bahagian B[20 marks]

/20 Markah/7. Diagram 7.1 shows the apparatus set-up to study the effect of the exposed surface area

to the rate of evaporation.Rajah 7.1 m en un ju kka n s us un an ra da s u ntu k m en gk aji ke sa n lu as p er mu ka an te rd ed ah te rh ad ap kadarsejatan.

ExperimentEksperimen

Experiment IE kspe rim en I

unfolded filterpaperk er ta s tu ra s y an g

~idak dilipato55/2 e lOlll1ak CI... MPSMCowanI'. M,laka

Time taken for the filter paperto dry

Mas a y an g d ia mb il u ntu k ke rta s tu ra smengering

Stopwatch PJam randik P

[Lihat SebelahSULIT


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SULIT 17

ExperimentEksperimen

T im e ta ke n f or th e filte r p ap erto d ry

Mas a y an g d ia mbil u ntu k ke rta s tu ra smengering

E xp erim e nt 2E ks pe rim en 2

f il te r paperf ol ded oncekertas turas yangd il ip a t s at u k a li

E xp erim en t 3E ksperim en 3

f il te r paperf ol ded tw ic ek er ta s tu ra s y an g

~pat dua kali

Stopwatch QJamrandikQ

'....~+-l'.

S to pw a tc h RJam randik R

55/2 0 lOt 1 Halt Cip ta MPSM Ca. .. Dpn Met.ka


[Lihat SebelahSULIT

55/2 Fo,EXlUtfiner'sVuVII,.k


18/33


19/33

SULIT 1 9Experiment 1 is repeated by placing the apparatus in front of a rotating tablefan as shown in Diagram 7.2.Eksperimen J d iu la ng d en ga n m ele ta kk an su su na n ra da s b er ha da pa n d en ga n kip as m eja ya ngs ed an g b er pu ta r se pe rti d itu nju kka n d ala m R aja h 7 .2 .

(b)

not folded filter paperk er ta s t ur as y an g t id ak IJdilipat


(i) Based on Diagram 7.2, predict the time taken for the filter paper to dry.B e rd as ar ka n R aj ah 7.2, ra ma lka n m as a y an g d ia mb il u ntu k ke rta s tu ra s m en ge rin g.

(ii) State an inference for your observation in Diagram 7.2.N ya ta ka n s atu in fe re n b ag i p em er ha tia n a nd a d ala m R aja h 7 .2 .

55/2 C) 1011Hak Clp.. MPSM C.... npn M.laka [Lihat SebelahSULIT

[1 mark][I markah}

[I mark][ I m a rk ah }

55/2 Fo rExaminer'su.~U.1d

7(b)(i)D7(b)(ii)

DJumlahD


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ketlllfnlUfp~nUribD

SULIT 20 55/28. (a) Diagram 8.11 and Diagram 8.12 shows two models of electricity transmission.

Rajah 8.11 dan Rajah 8.12 menunjukkan dua model penghantaran tenaga elektrik.

step down transformertransformer injak turun

bulb Bmentol B

step up transformertransformer injak naik

bulb Amental A

12Va.cDiagram 8.1

Rajah 8.1

(i) State the difference between the brightness of bulb A and bulb B.Nyatakan perbezaan antara kecerahan mental A dan mental B........................................................................................... [1 mark]

[ / m a rk ah ](ii) Write one inference about the brightness of the bulb.

Tuliskan satu inferens mengenai kecerahan mental .

.......................................................................................... [1 mark][I markah]

(iii) State one relationship between the amount of output voltage and thebrightness of the bulb.Nya ta ka n s atu h ub un ga n a nta ra jumlah voltan output dengan kecerahan mentol ........................................................................................... [ 1 ma rk ]t! markah}

55/2 'C 1 01 1 J -b k C il )1 J1 ,M P SM CAwl I: n ga n M tl ak n SULIT


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SULIT 21 55/2(b) Diagram 8.2 shows the experiment to study the relationship between the input

voltage and the output voltage with the number of turns in the primary coil andthe number of turns in the secondary coilRajah 8.2 m enu njukkan sa tu eksp erim en un tu k m eng ka ji h ub un ga n an ta ra vo ltan inp ut da nvoltan o ut pu t d en ga n b il an ga n l ili ta n g eg el un g p rim e r d an b il an ga n I il it an g eg el un g s ek un de r

Primary coilGe ge lu ng p ri me r

c- shape iron coreTerasbesi C

Power supplyS um be r k ua sa

Diagram 8.2R ajah 8 .2

(i) The experiment is repeated three times more by using different number of turnsin the secondary coils that is 20, 30 and 40 turns.E ks pe rim en d iu la ng s eb an ya k tig a k ali la gi d en ga n m en gg un ak an b ila ng an lilita n y an g b erb ez ab ag i g eg elu ng se ku nd er ia itu it) , 3 0 a nd 4 0 lilita n.Record the output voltage in the space provided.R ek od v olt an output d i d al am r ua ng y an g t ela h d is ed ia ka n.

55/2 0 :GIl nok Cipta Mrs .. C.~n .. n M.....

Number of turns in primary coil = 10B i la n ga n i i/ it an g e ge lu n g p rim er = 10Number of turns in secondary coil = 10B i la n ga n l il it an g e ge lu n g s e ku n de r = 10Output voltage = 1.0 VVo lt an o u tp u t = 1.0V

[Lihat SebelahSULIT

Fo rExaminer'sUs e


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Fo rEXAmin~r's

UUU,.",Ak4:......pt>n


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SULIT 23Complete Table 8.1 by recording the output voltage on the respectivenumber oftums on the secondary coil.Lengkapkan jadual 8. / dengan merekodkan voltan output mengikut bilangan gegelungsekunder masing-masing.

Primary coil Secondary coilGegelung primer Gegelung sekunder

Number of Input voltage Number ofturns turns Output voltageBilanganlilitan Voltan input Bilangan lilitan Voltan output

1 0 2 . 0 1 0 1 . 0

1 0 2 . 0 2 0 2 . 0

1 0 2 . 0 3 0

1 0 2 . 0 4 0

Table 8.1Jadua/B.l[2 marks][2 markah]

5 5 1 2 o mn n.k ClptaMPSMelwln.ln Mtbq [Lihat SebelahSULIT

55/2 Examiner'sU seU"td

8(b)(i)D


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ForExaminer's

U sekegunn""ptmel'UUIl

8(b)(ii)D8(b)(iii)D

SULIT(ii)

24 55/2Based on the data in Table 8.1, draw a line graph of the output voltageagainst the number of turns in secondary coils.Berdasarkan data pada Jadual 8.1. lukis graf garis bagi voltan output melawanbilangan lilitan gegelung sekunder.

---~ .. ITH"'Ht j : ~ ' : 1 } ; f.:Ht~:~:+t.t

-i:' ~ 1 + + - t, ,- . t : t

4 . 0 ~$--- f : : ! -

3 . 0 . . 1 + - -/F t2 . 0 ..+. H

T H-. , ..

. '"T1 . 0 . ,:~j-:" 1+

01 0

+ 1'1+:- - t =

i- t -}It . f .., .

t rr'' + + , t

\

J~ r - _ ..rt--lIt :_L' H -

2O 3 0 4 0

+.. "'-i"I~t+i+r+r+ . .. .. ..

i + t t . .,j50

Number of turns in secondary coilBilangan lilitan gegelung sekunder

[2 marks][2 markah]

(iii) Based on the line graph drawn in 8 (b) (ii), state one relationship betweenthe output voltage and the number of turns in secondary coil.Berdasarkan graf garis yang dilukis di 8 (b) (ii), nyatakan satu hubungan antara voltanoutput dengan bilangan lilitan gegelung sekunder.

[1 mark][/ markah}

55/2 0101' H.k Cipta~IPSMc..... ,.. MeJ.ka [Lihat SebelahSULIT


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SULIT 25(iv) State the responding variable in this experiment.

Nyatakan pembolehubah yang bergerakbalas dalam eksperimen ini.

(c) (i) State the operational definition for step-up transformer.Nyatakan definisi secara operasi bagi transformer injak naik.......................................................................... ;, .

55/2 I)Ollllak Clptt MPSMC,w'.I.n Md,k. [Lihat SebelahSULIT

[1 mark][ 1 ma r kah]

[1 mark][J markah]

55/2U"td

Fo rExaminer' sUu

8(b)(iv)D8(c)(i)D


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For SULITEXlllllifU!"sUNI I lk

Mpu"~.Us e26 55/2

Diagram 8.3 shows an electrical transmission and distribution systemwhich involved four transformers, P, Q, Rand S.Rajah 8.3 menunjukkan sistem penghantaran dan pengagihan elektrikyang melibatkanempat trans former P, Q. R dan S .

(ii)

industrieskomersialdanindustri

Diagram 8.3Raja" 8.3

55/2 ()1 011 Ra k Ci pt a MPSM C aW ln ll " Mel ak a

housing areakawasanperumahan

[Lihat SebelahSULIT


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SULIT 27 55/2

ClassificationPengkelasan

Step up transformerTransformer injak naik

Step down transformerTransformer injak turun

Based on the operational definition of step up transformer in c( i),classify transformer P, Q, Rand S in Diagram 8.3 based on type oftransformer.Berdasarkan definisi secara operasi bagi transformer injak naik dalam c (i), kelaskantransformer P, Q, R dan S dalam Rajah 8.3 berdasarkan jenis transformer.

TransformerTransformer

[2 marks][2 markah]

KERTAS SOALAN TAMAT

55/2 02011 I lak Cipro MPSM C....DI"" Md.ko (Lihat SebelahSULIT

Fo rExammer 'sU se

" , , " ' ' ' I . ( l I fp.lIJOilulJ

8(c)(ii)D

JumlahD


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55/2Tingkatan 3SCIENCEKertas 220111'h. jam MAJLIS PENGETUA SEKOLAH MALAYSIA

CAWANGAN MELAKAPEPERIKSAAN PERCUBAAN TINGKA TAN TIGA TAHUN 2011

SKEMA JAWAPAN KERTAS 2Baha ian A

3

No.soalan

Jawapan Markah1 (a) x

Y:CoronaKoronaChromosphereKromosferaPhotosphereFotosfera

;

t o '' .

DZ:

(b)

3

6otal

SULIT


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---2 . (a) I (i) Potential energy 1Tenaz~ keupayaan 1 \ii) Kinetic energy -+ electrical energy 1Tenaga kinetik -+ tenaga electrik

(iii) Renewable 1Boleh diperbaharui(iv) Wind / Wave / Solar / Biomass / Geothermal 1Angin / Ombak / Solar / Biojisim / Geotermal

(b) 't~";~~"\4 1 J n. . . " G z'1 r . I~ . _ ) ~ I _ :~ J C ' ;'frl 2r f P L I-- _.- /.:\"- ',/. b -.. ~[2] D [{]

Total 63 . (a) (i) Beaker X 1Bikar X

(ii) Plant in beaker X loses water too much, ITumbuhan dalam bikar X kehilangan air terlalu banyak.(b) (i) Plant P : woody stem

Tumbuhan P : batang berkayu 2Plant Q : twiningTumbuhan Q . lilitan

(ii) Durian tree / rubber tree IPokok durian / pokok getah dll yg sesuai(iii) K 1

Total 64 . (a) LandM 2

(b) 0 I(c) Agglutinate IPenggumpalan(d) (i) During surgery

Semasa pembedahan 2(ii) Treating diseases like haemophilia and leukaemiaMerawat penyakit seperti hemophilia dan lukemia

Total 65 . (a) Iron fillings attracted to the magnet bar. 1Serbuk besi tertarik kepada bar magnet

(b) Mixture ICampuran


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,-- ----,, (c) Iron sulphide IBesi sulfida

(d) No. It's a compound 2Tidak. fa adalah sebatian(e) (i) Method A Separating

Pemisahan 2Method B SievingPenapisan(ii) Tea powder and water ISerb uk teh dan air

Total 86 . (a) (i) To remove starch IUntuk menyingkirkan kanji

(ii) SetA I(iii) To absorb Iremove carbon dioxide IUntuk menyerap / menyingkirkan karbon dioksida

(b) Water I Sunlight I Chlorophyll IAir / Cahaya matahari / Klorofil(e) (i) Chlorophyll IKlorofil

(ii) Iodine solution turns blue black (dark blue) ILarutan iodine bertukar ke kehitaman (biru gelap)(d) (i) Placed a lamp I bulb above (near) the aquarium JLetakkan lampu / mentol di atas (berhampiran) akuarium

(ii) The plant get light to carry out ,ghotosynthesis Ito make foodTumbuhan mendapat cahaya untuk menialankan fjJtosintesis / membuat makanan I

Total 8

7 . (a) (i)Reading of stopwatch Time

Bacaanjam randik MasaP 5 minutes 13 seconds5 minit 13saatQ 10 minutes 20 secondsf 0 minit 20 saat

15 minutes 25 seconds 2R IS minit 25 saat


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32/33

--.--,------~--------------------------------,----------,8. (a) (i) Bulb B is brighter than bulb AMental B lebih terang daripada mental A

(ii)

(ii) Bulb B is brighter because the transformer increases the output voltageMental B lebih terang kerana transformer meningkatkan voltan output

(iii) The bigger the output voltage, the brighter the bulbSemakin tin_gg_ioltan output, semakin terang nyalaan mental

(b) (i)Primary coil

40 4.0

Secondary coil

10 2.0 30 3.02

Number of turns Input voltage Number of turns Output vo10 2.0 10 1.010 2.0 20 2.0

2(1 markahutk semuapoint dan 1markah 19untukgarisanlurus)

10 2.0

Number of turns in secondary coilBiiangan liluan gegelung zskunder

(iii) The bigger the number of turns in secondary coil, the bigger theoutput voltage.Semakin besar bilangan lilitan gegelung sekunder, semakin besar voltan output.

(iv) Output voltage / Voltmeter readingVoltan output / Bacaan voltmeter

(c) (i) Step up transformer is the reading of output voltageTransformer injak naik ialah bacaan voltan aoutput


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----- ----.-(ii) -~Classification TransformerPengkelasan Transformer

Step up transformer pTransformer injak naik 2Step down transformer Q, R, STransformer injak turun

[2 marks][2 markah]

Total 12

SUM TOTAL 60

-.i.'

sains k2 melaka qna

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