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Section BBahagian B

[12 marks/markah]

Answer any one question from this section.Jawab mana-mana satu soalan daripada bahagian ini.

3 Diagram 3 shows a dented ping-pong ball is placed in a pot of hot water. In a short time, the dented ping-pong ball returns to its original shape.

Rajah 3 menunjukkan sebiji bola ping-pong kemek diletakkan dalam satu periuk berisi air panas. Dalam masa yang singkat, bola ping-pong kemek tersebut kembali kepada bentuk asalnya.

Diagram 3 / Rajah 3

Based on the information and observation above;Berdasarkan maklumat dan pemerhatian di atas;

(a) State one suitable inference. Nyatakan satu inferens yang sesuai. [1 mark/ markah]

(b) State one suitable hypothesis. Nyatakan satu hipotesis yang sesuai. [1 mark/ markah]

(c) With the use of apparatus such as a capillary tube, Bunsen burner and other apparatus, describe an experiment framework to investigate the hypothesis stated in 3 (b).Dengan menggunakan alat radas seperti tiub kapilari, penunu bunsen dan lain- lain radas, terangkan satu rangka eksperimen untuk menyiasat hipotesis yang anda nyatakan di 3(b).

In your description, state clearly the following: Dalam penerangan anda jelaskan perkara berikut:

(i) Aim of the experiment.Tujuan eksperimen.

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(ii) Variables in the experiment.Pembolehubah dalam eksperimen.

(iii) List of apparatus and materials.Senarai radas dan bahan

(iv) Arrangement of the apparatus.Susunan radas.

(v) The procedure of the experiment which include one method of controlling the manipulated variable and one method of measuring the responding variable.Prosedur eksperimen termasuk satu kaedah mengawal pembolehubah dimanipulasikan dan satu kaedah mengukur pembolehubah bergerak balas.

(vi) The way you would tabulate the data.Penjadualan data.

(vii) The way you would analyse the data.Cara menganalisis data.

[10 marks/markah]4 Diagram 4.1 and Diagram 4.2 show an electrical device. The bulb in Diagram

4.2 seems to be brighter than the bulb in Diagram 4.1.

Rajah 4.1 dan Rajah 4.2 menunjukkan sebuah peranti elektrik. Mentol pada Rajah 4.2 kelihatan lebih terang daripada mentol pada Rajah 4.1.

Diagram 4.1/Rajah 4.1 Diagram 4.2/Rajah 4.2

Based on the information and the observation above;Berdasarkan maklumat dan pemerhatian di atas;

(a) State one suitable inference.Nyatakan satu inferens yang sesuai.

(b) State one suitable hypotesis.Nyatakan satu hipothesis yang sesuai.

[1

mark/markah]

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[1 mark/markah]

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(c) With the use of apparatus such as laminated soft iron core, coils and other suitable apparatus, design an experiment to test the hypothesis

Dengan menggunakan radas seperti teras besi lembut berlamina, gegelung wayar dan peralatan lain yang sesuai, rangkakan suatu eksperimen yang sesuai untuk menguji hipotesis.

3 Diagram 3.1 and Diagram 3.2 shows the same boat are in the river water and the sea water. The boat displaces more amount of river water compared to the sea water as shown in Diagram 3.2.Rajah 3.1 dan Rajah 3.2 menunjukkan sebuah bot yang sama berada didalam air sungai dan dalam laut. Bot itu menyesarkan jumlah air sungai yang lebih banyak berbanding dengan air laut seperti yang ditunjukkan dalam Rajah 3.2.

Diagram 3.1 Diagram 3.2Rajah 3.1 Rajah 3.2

Based on the observation:Berdasarkan pemerhatian anda:

(a) State one suitable inference. [1 mark]Nyatakan satu inferens yang sesuai. [1 markah]

(b) State one suitable hypothesis. [1 mark]Nyatakan satu hipotesis yang sesuai. [1 markah]

(c) Using the apparatus such as load, meter rule and other suitable apparatus, explainone experiment to investigate the hypothesis stated in 3(b).

Dengan mengunakan radas seperti beban , pembaris dan lain-lain, terangkansatu eksperimen untuk menyiasat hipotesis yang dinyatakan pada 3(b).

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3. Diagram 3.1 shows a half glass of hot coffee that is left for ten minutes. Diagram 3.2 shows a full glass of similar hot coffee that is left for the same time. It is notice that the hot coffee in Diagram 3.1 cools down faster than Diagram 3.2.

Diagram 3.1 Diagram 3.2

Based on the information and observation above: (a) State one suitable inference.(b) State one suitable hypothesis.(c) With the use of apparatus such as immersion heater, beaker and other apparatus,

describe an experiment framework to investigate the hypothesis stated in 3(b).

3. Diagram 3.1 shows two pot, X and Y, with X containing more water than Y. Both the pot are heated. After a few minutes it was observed that the water in pot Y is hotter than the waterin pot X.

Diagram 3.1Based on the information and observation: (a) State one suitable inference(b) State one suitable hypothesis.(c) With the use of apparatus such as beaker, thermometer immersion heater and

other apparatus, describe one experiment to investigate the hypothesis stated in Question 3(b).

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3 . Diagram 3.1 shows a line under a glass block. Diagram 3.2 shows an identical line under a Perspex block of the same size. An observer noticed that the image of the line formed in the glass block is nearer to the surface of the block.

Based on the information and observation:

(a) State one suitable inference,(b) State one hypothesis that could be investigated.(c) With the use of apparatus such as a tall beaker, water and other apparatus and material,

describe one experiment to investigate the hypothesis stated in 3(b).

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4.

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