Soalan Pertengahan Tahun SAINS PT3 2015

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SMK SRI RAHMAT

PT3 2015PERTENGAHAN

TAHUN

UJIAN BERTULISMEI 2 JAM

ARAHAN 1. Kertas boleh dibuka apabila diberitahu.

2. Tulis nama dan kelas anda di ruang yang disediakan

3. Tulis jawapan anda di ruang jawapan yang disediakan dalam kertas soalan ini.

4. Serahkan kertas soalan ini kepada pengawas peperiksaan pada akhir peperiksaan.

Kegunaan PemeriksaNama pemeriksa :

Soalan Markah Penuh

MarkahDiperoleh

Soalan Markah Penuh

MarkahDiperoleh

1 6 8 6

2 6 9 63 6 10 6

4 6 11 105 6 12 10

6 10 13 107 10 14 10

JUMLAH

Nama : …………………………………………………..Tingkatan : …………………………………………………..

TERHAD

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1 In the school laboratory, there are some apparatus used to measure liquids.

Di dalam makmal sekolah, terdapat beberapa radas yang digunakan untuk menyukat cecair.

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(a) Tick () the apparatus that are used to measure liquids.

Tandakan () radas yang digunakan untuk menyukat cecair.

[2 marks / 2 markah]

(b) Are the apparatus stated in 1(a) have different uses?

Adakah radas yang dinyatakan seperti di 1(a) mempunyai kegunaan berbeza?

Yes / Ya No / Tidak

[1 mark / 1 markah]

(c)( i) If Aidil wants to measure 25ml of liquid, which apparatus is suitable?

Jika Aidil ingin menyukat 25ml cecair, radas yang manakah sesuai digunakan?

_______________________________________________________________________

[1 mark / 1 markah]

(ii) Based on c(ii), explain your answer.

Berdasarkan c(ii), terangkan jawapan anda.

_______________________________________________________________________

_______________________________________________________________________

[2 mark s/ 2 markah]

2 Cell P and Cell Q are human cells.

Sel P dan Sel Q adalah sel-sel manusia.

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(a) Identify the above cells.

Kenal pasti sel-sel di atas.

P : ___________________________________________________________________

Q : ___________________________________________________________________


(b) State the function of cell Q.

Nyatakan fungsi sel Q.

______________________________________________________________________

______________________________________________________________________

[1 mark / 1 markah]

(c) State the differences between cell P and cell Q.

Nyatakan perbezaan antara sel P dan sel Q.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


3 (a) Energy exists in different forms. State the forms of energy involved in the following

situations.

Tenaga wujud dalam pelbagai bentuk. Nyatakan bentuk tenaga yang terlibat dalam

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situasi-situasi berikut.

Situation / Situasi Form of Energy / Bentuk Tenaga

(i)

(ii)

(iii)

(iv)


(b) Complete the following statements about energy.

Lengkapkan pernyataan-pernyataan berikut tentang tenaga.

(i) Energy is ability to do ____________________________________________________.

Tenaga ialah keupayaan untuk melakukan ____________________________________.

[1 mark / 1 markah]

(ii)

Energy can be ____________________________________ from one form to another.

Tenaga boleh ____________________________________ daripada satu bentuk kepada

bentuk yang lain.

[1 mark / 1 markah]

4 Farid uses a pair of earphones to listen to his favourite songs while doing his homework at the

library.

Farid menggunakan fon telinga untuk mendengar lagu-lagu kegemarannya semasa membuat

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kerja sekolahnya di perpustakaan.

(a) Give two reasons why Farid uses the earphones while doing his homework?

Beri dua sebab mengapa Farid menggunakan fon telinga semasa membuat kerja

sekolahnya.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


(b) State the path of sound heard by Farid by completing the flow chart below.

Nyatakan laluan bunyi yang didengari oleh Farid dengan melengkapkan carta alir di

bawah.


(c) Farid often uses earphones for a long period of time. What is the risk that he will face?

Farid sering menggunakan fon telinga untuk jangka masa yang panjang. Apakah risiko

yang mungkin dialami olehnya?

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______________________________________________________________________

______________________________________________________________________

[1 mark / 1 markah]

5 Human growth is a continuous process and not reversible.

Pertumbuhan manusia adalah satu proses yang berterusan dan tidak berbalik.

M – Infancy

Bayi

N – Childhood

Kanak-kanak

O – Adolescence

Remaja

P – Adulthood

Dewasa

Q – Old Age

Tua

(a) Give two characteristics used for measuring growth in human beings.

Beri dua ciri-ciri yang digunakan untuk mengukur pertumbuhan manusia.

______________________________________________________________________

______________________________________________________________________


(b) State two changes that takes place in a boy during stage Q.

Nyatakan dua perubahan yang berlaku pada seorang lelaki semasa peringkat Q.

______________________________________________________________________

______________________________________________________________________


(c) Why a man is taller than a girl when he reaches end of stage Q? Explain your answer.

Kenapakah lelaki lebih tinggi daripada perempuan di akhir peringkat Q? Terangkan

jawapan anda.

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______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


6 Sarah is given two glasses of liquid, each containing an egg.

Sarah diberi dua gelas yang berisi cecair, setiap satunya mengandungi sebiji telur.

(a) What causes the different positions of egg in the liquids?

Apakah yang menyebabkan kedudukan telur berbeza dalam cecair-cecair itu?

______________________________________________________________________

______________________________________________________________________


(b)(i) What should Sarah do to make an egg floats on water?

Apakah yang sepatutnya Sarah lakukan untuk membuatkan telur terapung di atas air?

______________________________________________________________________

______________________________________________________________________

[1 mark / 1 markah]

(ii) Explain your answer.

Terangkan jawapan anda.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


(c) Logs are very heavy but they float on water. Explain why.

Kayu balak sangat berat tetapi terapung di atas air. Terangkan mengapa.

______________________________________________________________________

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______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


7 Fatty heats one end of an iron rod. Her hand feels hot after a while.

Fatty memanaskan satu hujung rod besi. Tangannya berasa panas selepas seketika.

(a) Explain what happens to the iron particles until Fatty feels the heat.

Terangkan apa yang terjadi pada zarah-zarah besi sehingga Fatty merasai haba tersebut.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


(b) Fatty then heats a glass rod. After a while he found that no changes occur. Give a reason.

Fatty kemudiannya memanaskan satu rod kaca. Selepas seketika, dia mendapat tiada

perubahan yang berlaku. Beri satu sebab.

______________________________________________________________________

______________________________________________________________________

[1 mark / 1 markah]

(c) State the differences between an iron rod and glass rod.

Nyatakan perbezaan antara rod besi dan rod kaca.

______________________________________________________________________

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______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


8 Animals interact with environment and other animals for their survival.

Haiwan berinteraksi dengan persekitaran dan haiwan lain untuk kemandirian.

(a) State the type of interaction between a tiger and a deer.

Nyatakan jenis interaksi antara harimau dan rusa.

________________________________________________________________________

[1 mark / 1 markah]

(b) Explain the type of interaction above.

Terangkan jenis interaksi di atas.

_____________________________________________________________________

_____________________________________________________________________


(c) State the characteristics of the tiger that enables it to interact with the deer.

Nyatakan ciri-ciri harimau yang membolehkannya berinteraksi dengan rusa.

_____________________________________________________________________

_____________________________________________________________________


(d) Why is the interaction stated in 8(a) important?

Mengapakah interaksi yang dinyatakan dalam 8(a) penting?

_____________________________________________________________________

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_____________________________________________________________________

[1 mark / 1 markah]

9 Chen is a salesgirl ia a shoe store. She is helping a customer choose a pair of shoes for dinner.

Chen ialah seorang jurujual di sebuah kedai kasut. Dia sedang membantu seorang pelanggan

memilih sepasang kasut untuk majlis makan malam.

(a) Give two factors that customers consider when buying shoes.

Beri dua faktor yang pelanggan pertimbangkan semasa membeli kasut.

______________________________________________________________________

______________________________________________________________________


(b) The diagram below shows the shoes chosen by the customer. She tries the shoes and

complains of heel pain.

Rajah di bawah menunjukkan kasut yang dipilih oleh pelanggan itu. Dia mencuba kasut

itu dan mengadu tumit kakinya sakit.

Suggest two advises that Chen can give to her customer to look for more comfortable

shoes.

Cadangkan dua nasihat yang boleh diberikan oleh Chen kepada pelanggannya agar

memilih kasut yang lebih selesa.

________________________________________________________________________

________________________________________________________________________


(c) Choose two pairs of shoes that Chen would recommend to the customer by marking ()

in the box.

Pilih dua pasang kasut yang Chen akan cadangkan untuk pelanggan itu dengan

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menandakan () dalam kotak.


10 (a) When driving home from work, Puan Hamidah sees a signboard below.

Semasa memandu pulang dari tempat kerja, Puan Hamidah terlihat satu papan tanda di

bawah.

(i) Why is the signboard important?

Megapakah papan tanda itu penting?

_____________________________________________________________________

_____________________________________________________________________


(ii) Puan Hamidah slows down her car when approaching the signboard. Why does she do

that?

Puan Hamidah memperlahankan keretanya apabila menghampiri papan tanda itu.

Mengapakah dia berbuat demikian?

_____________________________________________________________________

_____________________________________________________________________

[1 mark / 1 markah]

(b) The diagram below shows the front tyre of a car. The tyre has worn out.

Rajah dibawah menunjukkan tayar hadapan sebuah kereta. Tayar itu telah haus.

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(i) What cause the condition of the tyre?

Apakah yang menyebabkan keadaan tayar itu?

_____________________________________________________________________

[1 mark / 1 markah]

(ii) Driving a car with the tyres is not safe. Give your reason.

Memandu kereta dengan tayar itua dalah tidak selamat. Beri alasan anda.

_____________________________________________________________________

_____________________________________________________________________


11 (a) The diagram below shows evaporation of water.

Rajah di bawah menunjukkan penyejatan air.

(i) State whether heat is absorbed or released during evaporation of water.

Nyatakan sama ada haba diserap atau dibebaskan semasa penyejatan air.

_____________________________________________________________________

[1 mark / 1 markah]

(ii)

Explain your answer.

Terangkan jawapan anda.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


(b) Give two differences between evaporation and boiling.

Beri dua perbezaan antara penyejatan dan pendidihan.

_____________________________________________________________________

_____________________________________________________________________

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_____________________________________________________________________

_____________________________________________________________________


(c) Using an example, explain how evaporation takes place in daily life.

Dengan menggunakan satu contoh, terangkan bagaimana penyejatan berlaku dalam

kehidupan seharian.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


12 (a) The diagram below shows a boy uses a drinking straw to suck water from a glass.

Rajah di bawah menunjukkan seorang budak lelaki menggunakan penyedur minuman

untuk menyedut air daripada gelas.

(i) Explain how the principle of air pressure is applied.

Terangkan bagaimana prinsip tekanan udara diaplikasikan.

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________


(ii) The boy makes a hole on the drinking straw and he cannot suck the water into his mouth.

In the diagram below, draw the position of the hole on the drinking straw.

Budak lelaki itu membuat satu lubang pada penyedut minuman dan dia tidak dapat

menyedut air ke dalam mulutnya. Pada rajah di bawah, lukiskan kedudukan lubang pada

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penyedut minuman.

[1 mark / 1 markah]

(iv) Give a reason.

Beri satu sebab.

______________________________________________________________________

______________________________________________________________________

[1 mark / 1 markah]

(b) Mak Timah found that the outlet pipe in her sink is blocked. She used a suction pump to

remove the blockage. Explain how the suction pump functions.

Mak Timah mendapati saluran luar pada singkinya telah tersumbat. Dia menggunakan

pam sedutan untuk mengeluarkan kotoran yang tersumbat. Terangkan bagaimana pam

sedutan itu berfungsi.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________


13 A student wants to carry out an experiment to study about the stimuli and responses in plants. He

obtained the following information from his textbook.

Seorang pelajar hendak menjalankan satu eksperimen untuk mengkaji tentang ransangan dan gerak

balas tumbuhan. Dia memperoleh makkumat berikut daripada buku teksnya.

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Part of Plant

Bahagian Tumbuhan

Type of Response

Jenis Gerak Balas

Shoot

Pucuk

Phototropism

Fototropisme

Root

Akar

Geotropism

Geotropisme

(a)

Based on the information above, state the stimuli for the shoot and roots of plants.

Berdasarkan maklumat di atas, nyatakan ransangan bagi pucuk dan akar tumbuhan.

_____________________________________________________________________

_____________________________________________________________________


(b) The student wants to carry out an experiment about phototropism using plants in his

house. Suggest what she should do to carry out the experiment.

Pelajar itu hendak menjalankan eksperimen tentang fototropisme menggunakan tumbuhan

di rumahnya. Cadangkan apa yang dia patut lakukan untuk menjalankan eksperimen

tersebut.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________


(c) The diagrams below are obtained by student from his textbook. He found that his

hyphotesis is correct.

Rajah-rajah di bawah diperoleh oleh pelajar itu daripada buku teksnya. Dia mendapati

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hipotesisnya betul.

(i) On the box provided, draw an arrow to show the direction of growth of the roots after five

days.

Pada kotak yang disediakan, lukiskan satu anak panah untuk menunjukkan arah

pertumbuhan akar selepas lima hari.

[1 mark / 1 markah]

(ii) State the hyphotesis for the experiment.

Nyatakan hipotesis bagi eksperimen ini.

_____________________________________________________________________

_____________________________________________________________________

[1 mark / 1 markah]

(iii) State the important of tropism shown by the roots of the seedlings.

Nyatakan kepentingan tropisme yang ditunjukkan oleh akar anak benih.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________


14 The density of a substance is the mass per unit volume of the substance.

Ketumpatan sesuatu bahan adalah jisim per unit isipadu bahan tersebut.

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(a)(i) Determine the volume of the stone.

Tentukan isipadu batu.


(ii) Given the mass of the stone is 9g. Calculate the density of the stone.

Diberi jisim batu ialah 9g. Hitung ketumpatan batu.


(b) The table below shows the density of several subtstances.

Jadual di bawah menunjukkan ketumpatan beberapa bahan.

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Substance

Bahan

Density (g/cm3)

Ketumpatan (g/cm3)

Marble / Guli 2.5

Water / Air 1.0

Oil / Minyak 0.9

Cork / Gabus 0.3

Complete the diagram below to show the substances when all of them are placed in a

measuring cylinder.

Lengkapkan rajah di bawah untuk menunjukkan bahan-bahan itu apabila semuanya

dimasukkan ke dalam satu silinder penyukat.


(c) An object which is denser than a liquid can be made to float on that liquid by changing its

shape.

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Satu objek yang lebih tumpat daripada cecair boleh dijadikan terapung di atas cecair itu

dengan mengubah bentuknya.

Explain the situation above.

Terangkan situasi di atas.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________


END OF QUESTION PAPER

KERTAS SOALAN TAMAT

Disediakan oleh : Disemak Oleh : Disahkan Oleh :

__________________] _______________________ _______________________Suraya Binti Ismail Pn Che Fatanah bt Che Man Pn Santhi A/P Saminathan(Guru Sains Tingkatan 3) (Ketua Panitia Sains) (GKMP Sains & Matematik)

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Soalan Pertengahan Tahun SAINS PT3 2015

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