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SECTION A

PAGE SULIT

1511/2

NO. KAD PENGENALAN

ANGKA GILIRAN

PROGRAM PENINGKATAN PRESTASI SAINS SPM 2011KOLEKSI SOALAN SEBENAR

SIJIL PELAJARAN MALAYSIA (2003 2010)

KERTAS 2

BAHAGIAN A(SCIENCE PROCESS SKILL)

Kertas soalan ini mengandungi 64 halaman bercetak

SIJIL PELAJARAN MALAYSIA 20031. Figure 1 shows an experiment to study the effect of impurities on the boiling point of distilled water.Rajah 1 menunukkan eksperimen untuk mengkaji kesan bendasing ke atas takat didih air suling.

The results of the experiment are recorded in Table 1.Keputusan eksperimen dicatatkan dalam Jadual 1

Substance

BahanBoiling point /OC

Takat didih /OC

Distilled water

Air suling100

Distilled water + common salt

Air suling + garam biasa

Table 1 / Jadual 1

(a)Based on the above experiment, complete Table 1.[1 mark] / [1 markah]

Berdasarkan eksperimen di atas, lengkapkan Jadual 1.(b)Write down one inference based on the results of this experiment.

Tuliskan satu inferens berdasarkan keputusan eksperimen

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

[1 mark] / [1 markah](c)State the variables in this experiment.

Nyatakan pemboleh ubah dalam eksperimen ini(i) Manipulated variable / Pemboleh ubah dimanipulasi

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

(ii) Responding variable / Pemboleh ubah bergerak balas

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

[2 marks] / [2 markah]

(d)What is the operational definition of distilled water?

Apakah definisi secara operasi bagi air suling?

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

2. Figure 2(a) and Figure 2(b) shows an experiment compare the reactivity of metals L and M with dilute hydrochloric acid.Rajah 2(a) dan Rajah 2(b) menunjukkan eksperimen untuk membandingkan kecergasan tindak balas logam L dan Logam M dengan menggunakan asid hidroklorik cair.

(a)Write down one observation for the above experiment.

Tuliskan satu pemerhatian bagi eksperimen di atas

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

(b)Write down one inference that can be made from the above observation.

Tuliskan satu inference yang boleh dibuat berdasarkan pemerhatian di atas.

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

(c)State one controlled variable in this experiment.

Nyatakan satu pembolehubah yang dimalarkan dalam eksperimen ini.

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

[1 mark] / [1 markah]

The result of the experiment is shown in Figure 3.

Keputusan eksperimen ditunjukkan dalam Rajah 3.

(d)(i)What is the relationship between the volume of gas and the reaction time in the first 2 minutes.

Apakah hubungan antara isipadu gas dengan masa tindak balas dalam 2 minit pertama.

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

(ii)Predict the volume of gas collected by the seventh minutes for metal M.

Ramalkan isipadu gas yang terkumpul pada minit ketujuh bagi logam M

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

[2 marks] / [2 markah]

3. Figure 4 shows an object P in front of a pin-hole camera.Rajah 4 menunjukkan objek P berada di hadapan sebuah kamera lubang jarum.

Figure 4 / Rajah 4(a)Draw a ray diagram of the image formed by object P in Figure 4.[2 marks] / [2 markah]

Lukiskan rajah sinar pembentukan imej oleh objek P pada Rajah 4.

(b)Measure and write down the size of the image.

Ukur dan tuliskan saiz imej itu

........................... cm[1 mark] / [1 markah](c)Predict the characteristic of the image if hole X is enlarged.

Ramalkan sifat imej jika lubang X dibesarkan.

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

(d)Tick () the object which form an image with the same characteristics as the image formed in Figure 4.

Tandakan () bagi objek yang mempunyai cirri imej yang sama seperti imej yang terbentuk dalam Rajah 4.

4. Table 2 shows the result of an experiment to study the effects of temperature on bacterial growth.Jadual 2 menunjukkan keputusan eksperimen kajian kesan suhu terhadap pertumbuhan bakteria.

Tempeature / OC

Suhu / OCSize of bacteria colony after 24 hours / mm

Saiz koloni bakteria selepas 24 jam / mm

02

155

2510

3515

603

Table 2 / Jadual 2

(a)Sate one hypothesis that can be made from Table 2.

Nyatakan satu hipotesis berdasarkan Jadual 2

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

(b)(i)Based on Table 2, draw a graph to shows the relationship between the size of the bacteria colony and temperature.

Berdasarkan di Jadual 2, lukiskan graf menunjukkan hubungan antara saiz koloni bakteria dengan suhu.

[3 marks] / [3 markah]

(ii)Based on the graph, state the optimum temperature for bacterial growth.

Daripada graf, nyatakan suhu optimum untuk pertumbuhan bakteria.

[1 mark] / [1 markah]

(iii)Predict the size of bacteria colony at 80 0C.

Ramalkan saiz koloni bakteria pada suhu 80 0C.

[1 mark] / [1 markah]SIJIL PELAJARAN MALAYSIA 20041. Figure 1 shows an arrangement of the apparatus in an experiment to study the production of electrical energy. Zinc and lead are used in the experiment.Rajah 1 menunjukkan susunan radas bagi suatu eksperimen untuk mengkaji penghasilan tenaga elektrik. Eksperimen ini menggunakan logam zink dan plumbum.

The experiment is repeated by using other pair of metals.The voltmeter readings are recorded in Table 1.

Eksperimen ini diulang dengan menggunakan pasangan logam lain.

Bacaan voltmeter direkodkan seperti Jadual 1.

Pair of metals

Pasangan logamVolmeter reading / V

Bacaan voltmeter / V

Aluminium and lead

Aluminium dan plumbun1.5

Lead and lead

Plumbum dan plumbum0.0

Table 1 / Jadual 1

(a)Write down the voltmeter reading with the appropriate unit for the pair of metals, zinc and lead.

Catatkan bacaan voltmeter beserta unitnya untuk pasangan logam zink dan plumbum.

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

[1 mark] / [1 markah]

(b)What can you infer from the deflected voltmeter needle?

Apakah yang boleh disimpulkan daripada pesongan jarum voltmeter itu?

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

[1 mark] / [1 markah]

(c)State the manipulated variable in the experiment.

Nyatakan pembolehubah dimanipulasikan dalam eksperimen itu.

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

[1 mark] / [1 markah]

(d)Predict the voltmeter reading when a pair of zinc plates are used?

Ramalkan bacaan voltmeter sekiranya pasangan kepingan logam zink digunakan?

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

[1 mark] / [1 markah]

2.Figure 2 shows an experiment carried out to study the effect of penicillin on bacterial growth

Rajah 2 menunjukkan eksperimen untuk mengkaji kesan penisilin ke atas pertumbuhan bakteria.

Three penicillin discs P1, P2 and P3, with different concentration are placed on the nutrient agar surface. The Petri dish is incubated upside down at 37 OC. After two days, a clear area is formed around each disc. The diameter of the clear area is measured and recorded in Table 2.

Tiga cakera penisilin P1, P2 dan P3 dengan kepekatan yang berlainan diletakkan di atas permukaan agar-agar bernutrien. Piring Petri itu direndamkan dalam keadaan telangkup pa