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OBEJECTIVE QUESTION

1. Diagram 1 shows the arrangement of particles which undergoes process YRajah 1 menunjukkan susunan zarah yang melalui proses Y.

What is process Y?Apakah proses Y?

A. Boiling/PendidihanB. Melting/PeleburanC. Sublimation/ Pemejalwapan

D. Condensation / Kondensasi

2. Diagram 2 shows a structure of an atom XRajah 2 menunjukkan struktur bagi atom X

Who discovered model X?Siapakah yang menjumpai model X?

A. Bohr

B. RutherfordC. JJ ThompsonD. James Chadwick

3. Diagram 3 shows the symbol of ferum element

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Rajah menunjukkan symbol bagi unsur ferum

What is the number of neutron for this atom?Apakah bilangan neutron bagi atom ini?

A. 26B. 30C. 56D. 82

4. Diagram 4 shows The Periodic Table

What is element Q?Apakah unsur Q?

A. Iodine/ IodinB. Helium / HeliumC. Sulphur/ Sulfur D. Sodium / Natrium

5. Which of the substance is an ionic compound?

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A.

B.

C.

D.

Subjective question

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1. Diagram 1.1 and diagram 1.2 show an experiment to study the malleability of two types of substances when they were hammered for a few timesRajah 1.1 dan rajah 1.2 menunjukkan eksperimen untuk mengkaji kebolehtempaan dua jenis

bahan apabila diketuk dengan penukul beberapa kali.

a) Table 1 shows the result of the experimentJadual 1 menunjukkan keputusan bagi eksperimen tersebutType of substanceJenis bahan

Malleability of substanceKebolehtempaan bahan

Aluminium lumpsKetulan aluminium

The shape of the aluminium lumps changesBentuk ketulan aluminium berubah

Carbon lumpsKetulan karbon

The carbon lumps break into small piecesKetulan karbon pecah kepada serpihan kecil

Based on the result in Table 1, state one inference that you ca make.Berdasarkan Jadual 1, nyatakan satu inferens yang boleh anda buat

[1 mark]

b) State the variables in this experimenti. Manipulated variable

Pembolehubah dimanipulasikan

ii. Responding variablePembolehubah bergerakbalas

[2 marks]

c) Based on this experiment, which substance is suitable for making kitchen utensil?Berdasarkan eksperimen ini, bahan manakah yang sesuai untuk dibuat perlatanmemasak?

[1 mark]

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d) Aluminium is a metal. What is the operational definition for metal in this experiment?Aluminium ialah sejenis logam. Apakah definasi secara operasi utnuk logam dalameksperimen ini?

[1 mark]

Section B

Question 10

Study the following the following statement

Kaji penyataan berikut

Thermal conductivity of metals and non metals are different

Kekonduksian haba bagi logam dan bukan logam adalah berbeza

You are given a iron rod, glass rod, a thumbtack, wax and a stopwatch

Anda diberikan rod kurum, rod kaca, satu paku tekan, lilin dan jam randik

a) Suggests a hypothesis to investigate the above statementCadangkan satu hipotesis untuk menyiasat penyataan di atas [1 mark]

b) Describe one experiment to test your hypothesis in (a) based on the following criteria:i. Aim of the experiment

Tujuan eksperimen [1 mark]

ii. Identification of variablesKenalpasti pembolehubah [2marks]

iii. List of apparatusSenarai alat radas [1 mark]

iv. ProcedureKaedah eksperimen [4 marks]

v. Tabulation of dataPenjadualan data [1 mark]

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