Section A[28 marks}

[Answer all questions in this section..

1, A students carries out an experiment to investigate the relationship between volume of air, V and the pressure, P. The arrangement of the apparatus is shown in Diagram 1.1. Seorang murid menjalankan satu eksperimen untuk mengkaji hubungan antara isipadu udara dan tekanan. Susunan radas ditunjukkan pada Rajah 1.1.

Diagram 1.1

The piston is pushed slowly until the volume of air is 35 cm3.The pressure of air, P is recorded by using the Bourdon gauge. The actual reading of the Bourdon gauge is shown in diagram 1.2 on page 3.

The above procedure is repeated by varying the volume of air 30 cm3, 25 cm3, 20 cm3, 15 cm3 and 10 cm3.The actual corresponding reading of Bourdon gauge shown in Diagram 1.3, 1.4, 1.5 and 1.6 on page 4

Picagari ditekan secara perlahan sehingga isipadu udara 35 cm3.Tekanan udara,P direkod dengan menggunakan Tolok Bourdon. Bacaan sebenar oleh Tolok Bourdon ditunjukkan pada diagram 1.2 di halaman 3.

Prosedur di bawah diulangi bagi isipadu udara 30 cm3, 25 cm3, 20 cm3, 15 cm3 and 10 cm3. Bacaan sebenar yang sepadan dengan bacaan oleh Tolok Bourdon ditunjukkan pada Rajah 1.3, 1.4, 1.5 dan 1.6 di halaman 4.

(a) For the experiment on page 3 and 4, identify: Bagi eksperimen di halaman 3 dan 4 kenal pasti:

(i) The manipulated variable Pembolehubah dimanipulasi

……………………………………………………………………………….. [1 mark]

(ii) The responding variable Pembolehubah gerak balas

………………………………………………………………………………… [1 mark]

(iii) The constant variablePembolehubah dimalarkan

  ……………………………………………………………………………….....

[1 mark]

Mark Section Answer

1 1 (a)(i) 1 State the manipulated variable correctly Volume

1 (ii) 1 State the responding variable correctly Pressure

1 (iii) 1 State the constant variable correctly Temperature // mass

Paper 3 Diagnostik F4 Exam SBP 2008

Question 1

P=…………………….

Volume of air = 35 cm3

Diagram 1.2

P =…………………..…

Volume of air = 30 cm3

Diagram 1.3

P =…………………..

Volume of air = 25 cm3

Diagram 1.4

P =……………………

Volume of air = 20 cm3

Diagram 1.5

P=…………………….

Volume of air = 15 cm3

Diagram 1.6

(b) Based on Diagram 1.2, 1.3, 1.4, 1.5 and 1.6 on page 3Berdasarkan Rajah 1.2, 1.3, 1.4, 1.5 dan 1.6 di halaman 3

  (i) Record the Bourdon gauge reading, in the spaces provided on page 3. Catatkan bacaan Tolok Bourdon dalam ruang yang disediakan di halaman. [ 2 marks]

(ii) Tabulate your results for V, and P in space below.

Jadualkan keputusan anda bagi V, dan P pada ruang di bawah [ 5 marks]

(c) On the graph paper on page 5 , plot graph of P against .Pada kertas graf di halaman 5, lukiskan graf P melawan .

[5 marks]

(d) Based on your graph in 1 (c) , state the relationship between P and Berdasarkan graf anda di 1(c),nyatakan hubungan antara graf P melawan

…………………………………………………………………………... [1 mark]

7 (b)(i)(ii)

Record the reading in the space provide don page 3

1 All 5 values of P are correct 2 the values of P are consistent.

Tabulate the results correctly1 Quantities of V, and P shown in the table give one 2 State the units of Vcorrectly. give one 3 The values of P is consistent to one decimal places,

place is constant to 3 decimal place. give one 4& 5 All 5 values of / cm-3 correct- give two If 3 /4 values are correct give one If < 3 , 0

Volume,V, cm3

1/ V / cm-3 Pressure,P/ Pa

35 0.029 1.0 x 105

30 0.033 1.2 x 105

25 0.040 1.4 x 105

20 0.050 1.8 x 105

15 0.067 2.3 x 105

5 (c)

(b) 5 Draw a complete graph of P against Tick based on the following aspects;.1 P on the –y axis and on the –x axis give 2 Both axes are marked with uiniform scale

And not odd scale ( 1,2, 4,5,10) give 3 All five points are plotted corectly (+/-1 mm/ ½ square box)

give ( Only three points plotted correcly , give )

4 Best fitted straight line is drawn give (berdasarkan keseimbangan bilangan titik di atas dan di bawah garisan i.i sama banyak, /2:1 /3 :2. T . Titik paling jauh dari garisan tidak lebih 0.5 cm) Reject : curve line

5 Show the minimum size of graph at least 5(vertical) x 4(horizontal) square box (2 cm x 2 cm)

(Dikira dari asalan hingga titik akhir jika mula dari asalan.

Jika tidak mula dari 0 , tengok titik pertama dan terakhir)

Beri

V

1

V

1

Number of Score7 5

5-6 43-4 32 21 1

score :

Total maks : 5 marks

1 (d) State the correct relationship between P and P inversely proportional to V // P is directly proportional to 1/V

2, A student carries out an experiment to investigate the relationship between the force, F and time, t for a trolley move a distance of 1m. The result of this experiment is shown in the graph of F against in diagram 2.1 on page 7.

Seorang murid menjalankan satu eksperimen untuk mengkaji hubungan daya,F dengan masa,t bagi satu troli yang bergerak dengan jarak 1m. Keputusan bagi eksperimen ini ditunjukkan oleh graf F melawan pada Rajah 2.1 dihalaman 7.

(a) Based on the graph in Diagram 2.1,Berdasarkan graf pada Rajah 2.1

(i) What happen to F as increases? Apakah yang berlaku pada F apabila bertambah?   …………………………………………………………………………

[1 mark]

[

(ii) Determine the value of F when = 0Show on the graph, how do you determine the value of F.

Tentukan nilai F apabila = 0Tunjukkan pada graf ,bagaimana anda menentukan nilai F.

     [2 marks]

(iii) Determine the value of t when F = 1.8 N Tentukan nilai bagi t apabila F = 1.8 N.

[2 marks]

Section Mark Answer

(a)(i)

(a)(ii)

(a) (iii)

1

11

1

1

1

State the changeincreasesState the value of F-shows graph extrapolation 0.4 N(reject without unit)

Show on the graph the corresponding value of 1.8N in the graph = 0.35

t = 1.69 s

1

2

3

35.0

12 t

(b) The mass of trolley, m is given by the formula m Jisim bagi troli,m diberi dengan formula m =

. (i) Calculate the gradient of the graph F against . Show on the graph

how you determine the gradient.

Hitungkan kecerunan bagi graf F melawan . Tunjukkan pada grafbagaimana anda menentukan kecerunan.

 [3 marks]

.

(ii) By using formula m = and the value obtained in b(i) calculate the mass of trolley. Dengan menggunakan formula m = dan nilai yang di perolehi dalam b(i) ,hitungkan jisim bagi troli.

[3 marks(c) State one precaution that should be taken to improve the results of the

experiment. Tentukan satu langkah berjaga-jaga yang perlu diambil untuk meningkatkan keputusan dalam eksperimen.  ………………………………………………………………………………………..

[1 mark]

Section Mark Answer

(b)(i )

b ( ii )

(c)

1

1

1

1

1

1

Calculate the gradient of the graph, h and state the value of h with the acceptable range-Draw a sufficiently large triangle to calculate the gradient of the graph.-Correct substitution (follow candidate’s triangle)

-State value of the gradient with correct unit.4.0 Ns2

Correct substitution to the formula

1.0 Ns2

State one precautionEyes is perpendicular to the scale of reading as to avoid parallax error // Do repeated readings and find the average value as to increase the accuracy

3

2

1

100500

8004022

..

..

Ft

4

gradientm

4

4m

Section B[ 12 marks ]

Answer any one question. 

The time suggested to answer this section is 30 minutes.

3. Diagram 3 shows two different situations of a skier by wearing ordinary shoes and then wearing snow hoes. The mass of ordinary shoes and the snow shoes are the same   Rajah 3 menunjukkan dua situasi bagi seorang peluncur salji dengan memakai kasut biasa dan kemudiannya memakai kasut salji. Jisim kasut biasa dan kasut salji adalah sama.

Diagram 3

Based on your observations on the depth of sinking of the skier in the snow by wearing ordinary shoes and by wearing snow shoes.Berdasarkan pemerhatian anda tentang kedalaman tenggelam peluncur salji itu di dalam salji dengan memakai kasut biasa dan dengan memakai kasut salji.   (a) State one suitable inferenc

Buat satu inferens yang sesuai [1 mark]

  (b) State one appropriate hypothesis that could be investigated. Nyatakan satu hipotesis yang sesuai dan boleh disiasat

[1 mark]

(c) With the use of apparatus such as a one kg load,plasticine,vernier caliper, different area of wooden block and other apparatus,describe an experiment to investigate the hypothesis stated in 3(b).

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

(i) The aim of the experimentTujuan eksperimen

 (ii) The variables in the experiment

Pembolehubah yang terlibat dalam eksperimen itu 

(iii) The list of apparatus and materialsSenarai radas dan bahan

 (iv) The arrangement of the apparatus

Susunan radas

(v) The procedure of the experiment.Describe how to control measure the manipulated variables and how to measure the responding variables. Prosedur yang digunakan dalam eksperimen. Terangkan bagaimana mengawal dan mengukur pembolehubah dimanipulasi, dan bagaimana mengukur pemboleh ubah bergerak balas.

 (vi) The way to tabulate the data

Cara unyuk menjadualkan data  

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

[10 marks]

QuestionSoalan

AnswerJawapan

MarksMarkah

3. (a)

(b)

(c) (i)

(ii)

State a suitable inferenceThe pressure exerted on the surface depends on the area of contact. 1

State a relevant hypothesis When the area decrease, the pressure increases 1

State the aim of experimentTo investigate the relationship between the area of contact and pressure (depth of hole).

1

State the suitable manipulated variables and responding variable (Quantity that can be measured)Manipulated variable : Area of contact object.Responding variable : pressure exerted (depth of hole)

1

State the constant variableForce applied (using 1 kg load) 1

QuestionSoalan

AnswerJawapan

MarksMarkah

3 (c) (iii)

(iv)

State the complete list of apparatus and materials Vernier caliper, soft plasticine, ruler, Load 1 kg, the object with different surface area but same weight.

1

Draw the functional arrangement of the apparatus

1

State the method to control the manipulated variable Measure the bottom area of the wooden block with vernier caliper/ruler, A1 cm2.Place the wooden block on the plasticine.Place the 1 kg load on the top of the wooden block.

1

State the method to measure the responding variableRemove the load and wooden block. Measure the depth of hole using vernier caliper and record it.

1

Repeat the experiment at least 4 times with the valuesProcedure 2 and Procedure 3 are repeated using A2,A3,A4,and A5

(Note : Based on SPM standard , at least five manipulated values required.)

1

Area of contact/ cm2 Depth,x /mm

0.1

0.2

0.3

0.4

0.5

State how the data is analysed, plot a graph RV against MV

Depth,x/mm

Area of contact,A/ cm2

State how the data tabulated with the title MV and RV

4. A boy pushes the boxes along a level walkway as shown in Diagram 4.1. The boy experiences that the boxes move slowly. When the boy removes one of the boxes as shown in Diagram 4.2, he experiences that the boxes move faster than before although the same force was applied.

  Seorang budak lelaki menolak beberapa buah kotak di sepanjang satu laluan seperti yang ditunjukkan dalam Rajah 3.1. Budak lelaki itu mendapati kotak- kotak bergerak sangat perlahan. Apabila budak lelaki itu mengeluarkan satu daripada kotak-kotak itu seperti ditunjukkan dalam Rajah 3.2, dia mendapati kotak-kotak itu boleh digerakkan lebih laju, walaupun daya yang sama dikenakan..

Diagram 4.1 Diagram 4.1

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

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

[ 1 mark ] 

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

[ 1 mark ] 

(c) With the use of apparatus such as a trolley, ticker timer, ticker tape, elastic cord and other apparatus, describe an experiment framework to investigate the hypothesis stated in 4(b).

  In your description, state slearly the following : Dengan menggunakan radas seperti troli, jangkamasa detik, pita detik, tali

kenyal dan lain-lain radas, terangkan satu rangka kerja ekperimen untuk menyiasat hipotesis yang anda nyatakan dalam 3(b)

 Dalam penerangan anda jelaskan perkara berikut :

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

(i) The aim of the experimentTujuan eksperimen

 (ii) The variables in the experiment

Pembolehubah yang terlibat dalam eksperimen itu 

(iii) The list of apparatus and materialsSenarai radas dan bahan

 (iv) The arrangement of the apparatus

Susunan radas

(v) The procedure of the experiment.Describe how to control measure the manipulated variables and how to measure the responding variables. Prosedur yang digunakan dalam eksperimen. Terangkan bagaimana mengawal dan mengukur pembolehubah dimanipulasi, dan bagaimana mengukur pemboleh ubah bergerak balas.

 (vi) The way to tabulate the data

Cara unyuk menjadualkan data  

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

[10 marks]

END OF QUESTION PAPER

QuestionSoalan

AnswerJawapan

MarksMarkah

4. (a)

(b)

(c) (i)

(ii)

(iii)

State a suitable inferenceAcceleration is influenced by the mass 1

State a relevant hypothesisWhen the mass increased, the acceleration will be decreased. 1

State the aim of experimentTo investigate the relationship between the acceleration and the mass.

1

State the suitable manipulated variables and responding variable (Quantity that can be measured)Manipulatd variable : massResponding variable : acceleration

1

State the constant variableForce applied 1

QuestionSoalan

AnswerJawapan

MarksMarkah

4. (c) (iv)

(v)

State the complete list of apparatus and materials 5 Trolleys, ticker timer, ticker tape, a rubber band, a wooden runway, 12 V a.c power supply, ruler.

1

Draw the functional arrangement of the apparatus Trolley rubber band

Ticker Timer Ticker tape Friction compensated runway Power supply

1

State the method to control the manipulated variableThe apparatus is set up as shown in the diagram.The ticker-timer is switched on and a trolley (of 1 kg) is pulled using a rubber band. The extension of the rubber band is ensured to be of the same length

1

State the method to measure the responding variableAcceleration of the trolley is calculated using the ticker-tape. a = ( v-u ) / t

1

Repeat the experiment at least 4 times with the valuesProcedure 2 and Procedure 3 are repeated using 2, 3, 4 and 5 trolleys.(Note : Based on SPM standard , at least five manipulated values required.)

1

Mass / num. of trolley acceleration / cm s-2

12345

State how the data tabulated with the title MV and RV

State how the data is analysed, plot a graph RV against MV

acceleration / cm s-2

Mass / num. of trolley