Rajah 2.1 menunjukkan seekor katak berjisim 100 g yang berada di atas sehelai daun keladi berjisim 10 g . Rajah 2.2 menunjukkan katak itu meloncat dari daun itu dengan halaju 5 ms-1.

(a) Nyatakan prinsip fizik yang terlibat semasa katak meloncat menjauhi daun keladi. ...

[1 mark] (b) Apakah jumlah momentum bagi katak dan daun keladi dalam Rajah 2.1?

...

[1 mark] (c) Apakah jumlah momentum bagi katak dan daun keladi dalam Rajah 2.2?

... [1 mark]

(d) Kira halaju daun keladi apabila katak itu melompat menjauhinya seperti yang ditunjukkan dalam Rajah 2.2

... [2 marks]

Section B Bahagian B

[ 12 marks ] [12 markah]

Answer any one question.

Jawab mana-mana satu soalan dalam bahagian ini.

3 Diagram 3.1 and Diagram 3.2 show two types of cargo ship sailing in the ocean. Cargo ship B is fully loaded with goods and it sinks deeper into the water.

Diagram 3.1 dan 3.2 menunjukkan dua kapal kargo yang berlayar di laut. Kapal kargo B penuh dengan muatan dan ia tenggelam lebih dalam di laut.

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

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

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

(c) With the use of apparatus such as a eureka can, slotted weight and other

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

In your description, state clearly the following :

Dengan menggunakan radas seperti tin eureka, pemberat dan lain-lain radas, terangkan satu rangka kerja ekperimen untuk menyiasat hipotesis yang anda nyatakan dalam 3(b)

Dalam penerangan anda jelaskan perkara berikut :

Cargo ship A Diagram 3.1

Cargo ship B Diagram 3.2

(i) The aim of the experiment Tujuan eksperimen

(ii) The variables in the experiment

Pembolehubah yang terlibat dalam eksperimen itu

(iii) The list of apparatus and materials Senarai radas dan bahan

(iv) The arrangement of the apparatus Susunan radas

(v) The procedure of the experiment.

Describe how to control the manipulated variables and how to measure the responding variables.

Prosedur yang digunakan dalam eksperimen. Terangkan bagaimana mengawal pembolehubah dimanipulasi dan bagaimana

mengukur pemboleh ubah bergerak balas.

(vi) The way to tabulate the data Cara untuk menjadualkan data

(vii) The way to analyse the data Cara untuk menganalisis data

[10 marks]

4 Diagram 4.1 shows a deep sea diver wearing a pair of magnesium alloy suit which can withstand high underwater pressure.

Diagram 4.1 Based on the above information and observation: Berdasarkan maklumat dan pemerhatian di atas:

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

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

(c) With the use of apparatus such as manometer, thistle funnel and other

apparatus, describe an experiment framework to investigate the hypothesis stated in 4(b).

In your description, state clearly the following :

Dengan menggunakan radas seperti manometer,corong thistle dan lain-lain radas, terangkan satu rangka kerja ekperimen untuk menyiasat hipotesis yang anda nyatakan dalam 4(b)

Dalam penerangan anda jelaskan perkara berikut :

(i) The aim of the experiment

Tujuan eksperimen (ii) The variables in the experiment

Pembolehubah yang terlibat dalam eksperimen itu

(iii) The list of apparatus and materials Senarai radas dan bahan

(iv) The arrangement of the apparatus Susunan radas

(v)The procedure of the experiment.

Describe how to control the manipulated variables and how to measure the responding variables.

Prosedur yang digunakan dalam eksperimen. Terangkan bagaimana mengawal pembolehubah dimanipulasi dan bagaimana

mengukur pemboleh ubah bergerak balas.

(vi) The way to tabulate the data Cara untuk menjadualkan data

(vii) The way to analyse the data Cara untuk menganalisis data

[10 marks]

END OF QUESTION PAPER KERTAS SOALAN TAMAT

Question 3 Section mark Answer 3 (a) 1 State a suitable inference

The mass of the load influences the volume of water displaced. (b) 1 States a relevant hypothesis

The volume of water displaced increases when the mass of the load increase.

(c )

1

1

1

1

1

1

1

Describe a relevant and workable experimental framework State the aim of experiment To study the relationship between the mass of the load and the volume of water displaced. State the manipulated variable and the responding variable Manipulated variable : The mass of the load Responding variable : The volume of water displaced. State ONE variable that kept constant Fixed variable : The density of liquid. . Complete list of apparatus and materials Eureka can, plasticine,triple beam balance and measuring cylinder. Note: A complete apparatus and materials means, with the apparatus and materials a set of data ( manipulated and responding variables) can be obtained from the experiment State the workable arrangement of the apparatus

State the method of controlling the manipulated variable 1. The apparatus is set up as shown in figure. 2. A 20g plastcine ball is put into the water. State the method of measuring the responding variable The volume of water displaced is measured using a measuring cylinder.

1

1

Repeat the experiment at least 4 times The experiment is repeated with plasticine ball of mass 40g, 60g , 80g and 100g. Tabulating of data Mass of the load (g) Volume of water displaced

(cm3) 20

Leave it blank

40 60 80 100

State how data will be analysed V/cm3 m/g

TOTAL 12 MARKS

Question 4 Question mark Answer

4 (a) 1 State a suitable inference Pressure is depend on the depth of water

(b) 1 States a relevant hypothesis The pressure increases when the depth of water increases

(c )

1

1

1

1

1

1

1

Describe a relevant and workable experimental framework State the aim of experiment To study the relationship between the pressure in liquid and the depth of water. State the manipulated variable and the responding variable Manipulated variable : Depth of water Responding variable : Pressure in liquid. State ONE variable that kept constant Fixed variable : The density of liquid. . Complete list of apparatus and materials Manometer, rubber tube, thistle funnel, meter rule. Retort stand, beaker. Note: A complete apparatus and materials means, with the apparatus and materials a set of data ( manipulated and

responding variables) can be obtained from the experiment State the workable arrangement of the apparatus State the method of controlling the manipulated variable 1. The apparatus is set up as shown in figure. 2. The thistle funnel is lowered into the water at 80cm. State the method of measuring the responding variable The corresponding readings for pressure from the manometer are measured and recorded. Repeat the experiment at least 4 times The experiment is repeated with depth of water 70 cm, 60 cm, 50 cm and 40 cm.

1

1

Tabulating of data Depth of water (cm) Pressure (pa)

Leave it blank

State how data will be analysed P/Pa d/cm

TOTAL 12 MARKS