trial pt3 sains 2015 (1)simpang bekoh.docx

8/18/2019 TRIAL PT3 SAINS 2015 (1)SIMPANG BEKOH.docx

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Jawab semua soalan

Answer all questions.

1. Rajah berikut menunjukkan tiga jenis radas yang digunakan untuk mengukur isipadu

cecair.The following diagrams show three types of apparatus used to measure liquid volume.

(a) Namakan radas yang ditunjukkan di atas.

Name the apparatus shown above.

P: _________________________________________________________________

: _________________________________________________________________

R: _________________________________________________________________

!" markah# marks$

(b) %eorang murid ingin mengukur &' cm" air suling. ntara ketigatiga radas tersebut*

yang manakah paling sesuai untuk mendapatkan ukuran yang tepat+

A student would like to measure 25 cm3 of distilled water. Among the three

apparatuses which is the most appropriate to obtain the accurate measurements!

____________________________________________________________________

!, markah# mark $

(c) %ekiranya anda ingin mengukur ,& cm" air suling* cadangkan satu jenis radas selain

tiga radas yang ditunjukkan dalam rajah di atas supaya anda boleh mendapat ukuran

yang paling tepat.

"f you want to measure #2cm3 of distilled water suggest one type of apparatus other

than the three apparatuses shown in the above diagrams so that you can obtain the

most accurate measurement.

____________________________________________________________________

!, markah# mark $

(d) Rajah berikut menunjukkan sebuah silinder penyukat yang mengandungi cecair.

The following diagram shows a measuring cylinder containing a liquid.

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Nyatakan isipadu cecair tersebut.

$tate the volume of the liquid.

____________________________________________________________________ !, markah# mark $

2. Rajah berikut menunjukkan kitar karbon.

The following diagram shows the carbon cycle.

(a) Nyatakan proses * - dan dalam rajah di atas dengan memilih proses daripada

senarai berikut.

$tate processes A % and & in the diagram above by selecting the processes from the

following list.

!" markah# marks$

3

Pembakaran

&ombustion

Respirasi

'espiration

Penguraian

(ecomposition

/otosintesis

)hotosynthesis


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(b) Nyatakan dua 0ungsi tumbuhan dalam kitar karbon tersebut.

$tate two functions of plants in the carbon cycle.

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

!& markah# marks$

(c) Nyatakan satu ujian yang biasa dijalankan di dalam makmal untuk menguji

kehadiran oksigen.

$tate a common test carried out in the laboratory to test the presence of o*ygen.

____________________________________________________________________

____________________________________________________________________ !, markah# mark $

3. 1aba dipindahkan melalui pelbagai cara.

+eat is transferred in different ways.

(a) 2enal pasti bagaimana haba dipindahkan berdasarkan situasisituasi di bawah.

"dentify how heat is transferred based on the situations below.

Situasi

Situation

Bagaimana haba dipindahkan

How heat is transferred

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!3 markah# marks$

(b) 4ulis Betul atau Salah bagi peryataanperyataan berikut tentang perolakan.

,rite True or False for the following statements about convection.

(i) Proses yang berlaku dalam pepejal.

)rocess takes place only in solids.

(ii

)

Proses tidak boleh berlaku dalam ruang 5akum.

)rocess cannot take place in a vacuum.!& markah# marks$

4. (a) Rajah di bawah menunjukkan sebahagian daripada sistem urinary manusia.

The diagram below shows a part of human urinary system.

(i) 6engkapkan rajah dengan melakarkan semua struktur.

&omplete the diagram by sketching all the structures.

!& markah# marks$

(ii) 6abelkan manamana dua struktur yang telah anda lakarkan dalam rajah.

-abel any two structures that you have sketched in the diagram.

!& markah# marks$

(b) 7ncik li mengalami kegagalan ginjal. pakah kaedah yang boleh digunakan oleh

7ncik li bagi mengatasi masalah yang dihadapinya+ 8ajarkan cadangan anda.

ncik Ali suffered kidney failure. ,hat are the methods that can be used by ncik Ali

in oder to overcome some of his problems! /ustify your suggestion.

____________________________________________________________________

____________________________________________________________________

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____________________________________________________________________

____________________________________________________________________

!& markah# marks$

5. %umber air semula jadi biasanya mengandungi lumpur* mikroorganisma dan bahan

terlarut. Pembersihan air adalah penting untuk menjadikan air selamat digunakan. Rajah

berikut menunjukkan dua keadah pembersihan air.

Natural source of water normally contains mud microorganisms and dissolved

materials. ,ater purification is essential to make the water safe to be used. The

following diagrams show two methods of water purification.

(a) 4ulis Benar atau Palsu bagi pernyataan berikut berdasarkan rajah yang ditunjukkan

di atas.

,rite True or False for the following statements based on the diagrams shown

above.

(i) 2aedah tidak membunuh mikroorganisma manakala

kaedah - boleh membunuh mikroorganisma.

0ethods A does not kill microorganisms while method % can

kill microorganisms.(ii) 2aedah tidak sesuai untuk diminum manakala kaedah -

adalah sesuai untuk diminum.

0ethod A is not suitable for drinking while method % is

suitable for drinking.

!& markah# marks$

(b) Nyatakan kaedah dan - berdasarkan rajah di atas.

$tate the methods A and % based on the diagrams above.

(i) 2aedah # 0ethod A

_______________________________________________________________

(ii) 2aedah -# 0ethod %

_______________________________________________________________

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!& markah# marks$

(c) 1uraikan satu kebaikan dan satu keburukan kaedah -.

(escribe one advantage and one disadvantage of the method %.

2ebaikan # Advantage : ________________________________________________

____________________________________________________________________ 2eburukan # (isadvantage: _____________________________________________

____________________________________________________________________

!& markah# marks$

6. %uatu litar lengkap digunakan untuk mengkaji hubungan antara arus* 5oltan dan

rintangan.

A complete circuit is used to study the relationship between current voltage and

resistance.

(a) (i) pakah P+,hat is )!

_______________________________________________________________

!, markah# mark $

(ii) Nyatakan 0ungsi komponen dan R.

$tate the functions of component 1 and '.

: ____________________________________________________________

R: ____________________________________________________________

!& markah# marks$

(b) %alah satu mentol dalam litar dikeluarkan. Ramalkan bacaan pada komponen .

ne of the bulb in the circuit is removed. )redict the reading on component 1. ____________________________________________________________________

!, markah# mark $

(c) -erikan kelebihan jenis litar seperti ini.

ive advantages of this type of circuit.

____________________________________________________________________

____________________________________________________________________

!& markah# marks$

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7. Rajah di bawah menunjukkan beberapa organisma berinteraksi antara satu sama lain di

ladang jagung.

The diagram below shows few organisms interacted with each other in a mai4e field.

(a) Namakan pengeluar dan pengguna sekunder di ladang jagung ini. Name the producer and the secondary consumer in the mai4e field.

____________________________________________________________________

____________________________________________________________________

!& markah# marks$

(b) Nyatakan kesan terhadap ekosistem jika semua ular mati.

$tate the effect on ecosystem if all snakes are killed.

____________________________________________________________________

!, markah# mark $

(c) %iratan makanan adalah rangkaian beberapa rantai makanan yang berkaitan antara

satu sama lain dalam sesuatu ekosistem. Rajah di bawah menunjukkan siratan

makanan di suatu ladang.

ood web is a network of a few food chains related to each other in an ecosystem.

The diagram below shows the food web in a field.

(i) -erapakah rantai makanan yang boleh didapati dalam siratan makanan ini+

+ow many food chains are there in this food web!

_______________________________________________________________

!, markah# mark $

(ii) Nyatakan sumber tenaga utama dalam siratan makanan ini.

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$tate the main source of energy in this food web!

_______________________________________________________________

!, markah# mark $

(iii) -erdasarkan siratan makanan ini* bina satu rantai makanan.

%ased on the food web contruct a food chain. _______________________________________________________________

!, markah# mark $

8. (a) 9ua jenis bahan diuji dengan ketras litmus merah lembap. Perubahan warna

pada kertas litmus diperhatikan.

Two types of substances are tested with moist red litmus paper. The colour changes

on litmus paper are observed.

(i) -erdasarkan rajah* tandakan ( √ ) pada petak bagi bahan yang menunjukkan

perubahan yang sama seperti bahan 2.

%ased on the diagram mark 6 √ 7 in the bo* the substance that shows the

same changes as substance 8.

!, markah# mark $

(ii) 8ajarkan jawapan anda dalam 8(a)(i). /ustify your answer in 86a76i7.

_______________________________________________________________

!, markah# mark $

(iii) 8arna kertas litmus merah dalam cuka tidak berubah. Nyatakan mengapa.

The colour of red litmus paper in the vinegar remain unchanged. *plain why.

_______________________________________________________________

!, markah# mark $

(b) (i) Jannah menambahkan satu sudu penuh serbuk penaik ke dalam dua bikar*

dan ;. 2emudian bikar ; diisi penuh dengan air.

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/annah adds one spoonful of baking powder into two beakers 9 and :. %eaker

: is filled with water.

pakah yang berlaku pada kertas litmus dalam bikar dan ;+

,hat happens to the litmus papers in beakers 9 and :!

_______________________________________________________________

_______________________________________________________________

_______________________________________________________________

!& markah# marks$

(ii) -erikan kesimpulan tentang keadaan serbuk penaik dalam keduadua bikar.

ive conclusion on the state of the baking powder in both beakers.

_______________________________________________________________

!, markah# mark $

9. indy menjalankan akti5iti untuk mengkaji arah dan magnitud daya geseran. -acaan

yang tercatat pada neraca spring ialah 3N.&indy carries out an activity to study the direction and magnitude of friction. The

reading on the spring balance is ;N.

(a) (i) pakah yang dimaksudkan dengan daya geseran+

,hat is meant by frictional force!

_______________________________________________________________

!, markah# mark $

(ii) 6ukiskan anak panah di dalam petak yang disediakan bagi menunjukkan arah

daya geseran.

(raw an arrow in the bo* given to show the direction of the frictional force.

!, markah# mark $

(iii) Nyatakan satu kebaikan dan satu keburukan daya geseran.

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____________________________________________________________________

!, markah# mark $

(d) -erdasarkan rajah* terangkan bagaimana bintang terbentuk.

%ased on the diagram e*plain how a star is formed.

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

!" markah# marks$

11.


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Two test tube %unsen burner

• %alur penghantar

(elivery tube

• ir kapur

-ime water

4erangkan bagaimana radas tersebut boleh digunakan untuk menguraikan

logam karbonat yang dinyatakan di 11(b)(i). *plain how the apparatus can be used to decompose the metal carbonate

stated in 116b76i7.

_______________________________________________________________

_______________________________________________________________

_______________________________________________________________

_______________________________________________________________

_______________________________________________________________

_______________________________________________________________

!3 markah# marks$

(iii) 6ukis susunan radas bagi akti5iti di atas.

(raw the arrangement of the apparatus for the above activity.

!& markah# marks$

(i5) 4ulis satu persamaan perkataan bagi akti5iti di atas.

,rite the word equation for the above activity.

9ipanaskan

heated

!& markah# marks$

12. Rajah di bawah menunjukkan menara penyulingan berperingkat bagi petroleum.

The diagram below shows the fractional distillation of petroleum.

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(a) pakah ciri petroleum yang membolehkannya dipisahkan kepada pecahan melalui

kaedah di atas+

,hat are the characteristics that enable the petroleum fractions to be separated

through the above method! ____________________________________________________________________

!, markah# mark $

(b) (i) Namakan# Name :

8: ____________________________________________________________

: ____________________________________________________________

!& markah# marks$

(ii) Nyatakan kegunaan ;.

$tate the usage of :.

_______________________________________________________________

_______________________________________________________________

!, markah# mark $

(iii) pakah sumbangan industri petroleum kepada negara+

,hat is the contribution of the petroleum industry to the country!

_______________________________________________________________

_______________________________________________________________

!& markah# marks$

(c) Rajah di bawah menunjukkan sebuah kereta hibrid.The diagram below shows a hybrid car.

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(i) 2ereta hibrid adalah mesin mesra alam. pakah yang dimaksudkan dengan

mesra alam+

A hybrid car is environmentally friendly. ,hat is meant by environmentally

friendly!

_______________________________________________________________

!, markah# mark $

(ii) Nyatakan satu kebaikan kereta hibrid selain daripada yang dinyatakan dalam

12(c)(ii).

$tate another benefit of hybrid car other than mentioned in 126c76ii7.

_______________________________________________________________

!, markah# mark $

(d) Rajah di bawah menunjukkan dua jenis petrol yang terdapat di stesenstesen petrol

di negara kita.

The diagram below shows two types of petrol available at the petrol stations in our

country.

%ekiranya anda memiliki kenderaan* petrol jenis manakah yang akan anda pilih+

8ajarkan pilihan anda.

"f you own a vehicle which type of petrol will you choose! /ustify your choice.

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

!& markah# marks$

13. %ebuah syarikat yang menghasilkan teh bunga raya telah mengeluarkan pernyataan

berikut.

A company that produces hibiscus tea has stated the following statement.

!"# B$%&' (')' $%!$* *"S+#'!'% )'%& B'+*

#+B+S,$S !"' -( ' &/ #"'!#

4eh bunga raya mempunyai hormon untuk melambatkan pengecilan salur darah dan

antioksidan untuk membuka arteri dalam salur darah pesakit tekanan darah tinggi. Pesakit

tekanan darah tinggi mempunyai risiko yang lebih tinggi untuk menghidap penyakit jantung*

strok dan kematian akibat penyakit kardio5askular. -eberapa kajian telah dijalankan untuk

mengkaji kesan meminum teh bunga raya ke atas tekanan darah tinggi.

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+ibiscus tea has hormones to slow down constrictions of blood vessels and antio*idants to

help to open arteries in high blood pressure patients. )eople with high blood pressure have a

higher risk for heart disease stroke and dying from cardiovascular disease. A few studies

have been carried out on the effect of drinking hibiscus tea on high blood pressure.

•

2ajian ke atas >? orang dengan hipertensi telah dijalankan. =ereka telah diberi setengahliter teh bunga raya sekali sebelum sarapan pagi setiap hari. %elepas 3 minggu* @?A

daripada mereka mendapati tekanan darah mereka berkurang sebanyak ,? poin.

$tudy on => people with hypertension was conducted. They were given half a litre of

hibiscus tea once before breakfast everyday. After ; weeks ?>@ had blood pressure

reduced by #> point.

• B' pesakit yang berumur di antara "? hingga >? tahun diberi " cawan teh bunga raya

setiap hari untuk B minggu. %elepas B minggu* tekanan darah >?A pesakit berkurang

sebanyak >.& poin.

5 patients aged between 3> to => were given 3 cups of hibiscus tea per day for weeks.

After weeks =>@ of the patients had a =.2 point drop on blood pressure.

(a) dakah anda bersetuju dengan peryataan yang dikeluarkan oleh syarikat teh

tersebut+ 8ajarkan pandangan anda dengan menyatakan bukti.

(o you agree with the statement issued by the tea company! /ustify your opinion

stating evidence.

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________ !" markah# marks$

(b) 4ekanan darah Pn. hong bertambah beransuransur kerana tekanan di tempat kerja.

adangkan bagaimana Pn. hong boleh menghalang tekanan darahnya terus naik.

)n. &hongBs blood pressure is slowly increasing due to stress in her work. $uggest

how )n. &hong can prevent her blood pressure from further increasing.

____________________________________________________________________

____________________________________________________________________

!& markah# marks$

(c) 2ajian menunjukkan antioksidan di dalam teh bunga raya boleh membuka arteri

dengan menghalang pemendapan kolestrol yang tidak baik di arteri. 8alau

bagaimanapun* giCi yang seimbang juga penting. -erdasarkan pengetahuan sainti0ik

anda* cadangkan satu menu yang sesuai untuk seorang pesakit tekanan darah tinggi.

'esearch has found that antio*idants in hibiscus tea can open up arteries by

blocking the bad cholesterol from depositing in the artery. +owever a proper diet id

equally important. %ased on your scientific knowledge suggest a suitable menu for

a patient with blood pressure.

____________________________________________________________________

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____________________________________________________________________

____________________________________________________________________

!, markah# marks$

(d) arta pai di bawah menunjukkan makanan kegemaran yang dimakan oleh kumpulan

remaja dalam satu minggu. 4erangkan kesan negati0 amalan ini jika berterusan untuk

satu jangka masa panjang.

The pie chart below show the favourite of food consumed by teenagers in a week.

*plain the negative effects of the habit if it continues for a long period of time.

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________ !3 markah# marks$

14. %eorang pelajar manjalankan akti5iti untuk mengkaji suhu cecair.

A student carries out an activity to study the temperature of liquids.

• 4ermometer di gunakan untuk mengukur suhu cecair.

A thermometer is used to measure the temperature of liquid.

• 2aki retort digunakan untuk menggantung termometer untuk memastikan bebuli

termometer tidak menyentuh dasar bikar.

A retort stand is used to hang the thermometer and the bulb of the thermometer is

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ensured not to touch the base of the beaker.

• -ikar diisi dengan air suling dan dipanaskan.

The beaker is filled with distilled water and heated.

• %uhu air direkodkan setiap & minit selama ,? minit.

The temperature of the water is recorded every 2 minutes for #> minutes.

(a) (i) 4uliskan suhu awal air suling berdasarkan rajah.

,rite down the initial temperature of the distilled water based on the diagram.

________________________________ ?.

!, markah# mark $

(ii) -erdasarkan jawapan dalam 14(a)(i)* lengkapkan gra0 suhu melawan masa di

bawah.

%ased on the answer in 146a76i7 complete the graph of temperature against time below.

!& markah# marks$

(iii) -erdasarkan gra0* ramalkan suhu air suling pada minit ke ,&.

%ased on the graph predict the temperature of distilled water at the #2th

minutes.

________________________________ ?.

!, markah# mark $

(b) Nyatakan hubungan antara suhu dengan masa dalam akti5iti ini.$tate the relationship between the temperature and time in this activity.

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trial pt3 sains 2015 (1)simpang bekoh.docx

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