1. Zulaili Yaacob & Mohamad Hussaini
Paper 3
Zulaili Yaacob
&
Mohamad Hussaini

10. 1(a)(i) Manipulated variable : ____________________
SECTION A : Question 1
1(a)(i) Manipulated variable : ____________________
1(a)(ii) Responding variable : ____________________
1(a)(iii) Constant variable : ____________________
Temperature, 
Volume, V
EXAMPLE:
A student carries out an experiment to investigate the relationship
between temperature, , and the volume, V, of trapped air. A beaker
is filled with cold water until the air column in the capillary tube is
totally immersed. A thermometer is put into the water to determine
the temperature of the water. The arrangement of the apparatus for
the experiment is shown in Figure 11.1.

11. 1(a)(i) Manipulated variable : ____________________
SECTION A : Question 1
1(a)(i) Manipulated variable : ____________________
1(a)(ii) Responding variable : ____________________
1(a)(iii) Constant variable : ____________________
Temperature, 
Length, l 1 2 l1
Figure 11.2 :
Temperature,  = 30 C
m.v
r.v
length, l = ………… cm

12. SECTION A : Question 1
1(a)(i) Manipulated variable : ____________________
1(a)(ii) Responding variable : ____________________
1(a)(iii) Constant variable : ____________________
(depends on the experiment)
Which of the following is possibly a constant variable?
MISTAKES!!!  
A) Mass B) Thermometer C) Air   
A) Water B) Stopwatch C) Time   
A) Length B) Air column C) Ruler 

13. 1(b) Based on Figures 11.2, 11.3, 11.4, 11.5, and 11.6, determine l
SECTION A : Question 1
1(b) Based on Figures 11.2, 11.3, 11.4, 11.5, and 11.6, determine l
when  is equal to 30 C, 35 C, 40 C, 45 C and 50 C.
Tabulate your results for l and V for each value of  in the space below.
 / C
l / cm
V / cm3 30 35 40 45 50

14. Spot the errors! t1 t2 tmean T T2 l 17 17.6 17.3 0.87 0.76 20 22.4 22
SECTION A : Question 1
Spot the errors!
No unit! t1 t2
tmean T T2 l 17
17.6
17.3
0.87
0.76 20
22.4 22
22.2
1.11
1.23 30 25
24.6
24.8
1.24
1.54 40 28
28.8
28.4
1.42
2.02 50
30.8 31
30.9
1.55
2.4 60
Not consistence!

15. Spot the errors! l t1 t2 tmean T T2 20.0 cm 17.0 s 17.6 s 17.3 s
SECTION A : Question 1
Spot the errors!
Unit at the wrong place! l t1 t2
tmean T T2
20.0 cm
17.0 s
17.6 s
17.3 s
0.87 s
0.76 s2
30.0 cm
22.4 s
22.0 s
22.2 s
1.11 s
1.23 s2
40.0 cm
25.0 s
24.6 s
24.8 s
1.24 s
1.54 s2
50.0 cm
28.0 s
28.8 s
28.4 s
1.42 s
2.02 s2
60.0 cm
30.8 s
31.0 s
30.9 s
1.55 s
2.40 s2

16. Spot the errors! l/ cm t1 / s t2 / s tmean / s T / s T2 / s 20.0 17.0
SECTION A : Question 1
Spot the errors!
Wrong unit!
l/ cm
t1 / s
t2 / s
tmean / s
T / s
T2 / s
20.0
17.0
17.6
17.3
0.865
0.748
30.0
22.4
22.0
22.2
1.11
1.232
40.0
25.0
24.6
24.8
1.24
1.537
50.0
28.0
28.8
28.4
1.42
2.016
60.0
30.8
31.0
30.9
1.545
2.387
Not consistence!

17. Spot the errors! l/ cm t1 / s t2 / s tmean / s T / s T2 / s2 20.0 17.0
SECTION A : Question 1
Spot the errors!
No error!
l/ cm
t1 / s
t2 / s
tmean / s
T / s
T2 / s2
20.0
17.0
17.6
17.3
0.87
0.76
30.0
22.4
22.0
22.2
1.11
1.23
40.0
25.0
24.6
24.8
1.24
1.54
50.0
28.0
28.8
28.4
1.42
2.02
60.0
30.8
31.0
30.9
1.55
2.40
GOOD ANSWER!

18. SECTION A : Question 1
GOOD GRAPH!
BAD GRAPH!

19. 2) Write quantities and units on x-axis and y-axis
SECTION A : Question 1
What is a GOOD graph?
1) Starting at origin (0,0)
2) Write quantities and units on x-axis and y-axis
3) Has uniform scale
4) All points are transferred correctly
5) Draw one straight line and intersect
any of the axes
6) Distribute other points equally

20. SECTION A : Question 1
Accepted graph

21. SECTION A : Question 1
Rejected graph
more than 1 cm

22. SECTION A : Question 1
Rejected graph
more than 0.5 cm

23.   SECTION A : Question 1 Conclusion ab
A) a is inversely proportional to b 
B) a is directly proportional to b
C) a is linearly increasing with b a b
A) a is inversely proportional to b
B) a is directly proportional to b 
C) a is linearly increasing with b

24.    SECTION A : Question 1 Conclusion ab
A) a is inversely proportional to b
B) a is directly proportional to b 
C) a is linearly increasing with b a
1/b 
A) a is inversely proportional to b 
B) a is directly proportional to 1/b
C) a is linearly increasing with 1/b

25.   SECTION A : Question 2 2(a)(i) Relationship ab
A) a is inversely proportional to b
B) a is directly proportional to b 
C) a is linearly increasing with b a
1/b 
A) a is inversely proportional to b
B) a is directly proportional to 1/b
C) a is linearly increasing with 1/b

26.   SECTION A : Question 2 2(a)(i) Relationship ab
A) a is inversely proportional to b 
B) a is directly proportional to b
C) a is linearly increasing with b a b
A) a is inversely proportional to b
B) a is directly proportional to b 
C) a is linearly increasing with b

27.   SECTION A : Question 2 2(a)(ii) Determine Corresponding Value
P / Nm-2 
P = 4.0 Nm-2
4.0
3.0 
2.0
1.0
1.0
2.0
3.0
h / cm

28.    SECTION A : Question 2 2(a)(ii) Determine Corresponding Value
1/m = 0.3 g-1
4.0 
m = 3.3 g
3.0 
2.0
1.0
0.1
0.2
0.3
1/m / g-1

29.    SECTION A : Question 2 2(b)(i) Determine Gradient y  / C
Gradient, m = 4.0 C
0.3 g-1
4.0 x 
3.0
m = C g 
2.0
1.0
0.1
0.2
0.3
1/m / g-1

30. 2(b)(ii) Calculation problem (involving the gradient)
SECTION A : Question 2
2(b)(ii) Calculation problem (involving the gradient)
Reminder!
Use the value of gradient obtained in previous question
2) Check for the conversion of units
3) Substitute figures at the correct places
4) Write the final answer in decimal number (Do not give the answer in fraction!!!)
5) Do not forget the UNIT

31. SECTION A : Question 2
2(c) Calculation problem
Reminder!
1) Check for the conversion of units
2) Substitute figures at the correct places
3) Write the final answer in decimal number (Do not give the answer in fraction!!!)
4) Do not forget the UNIT

32. SECTION A : Question 2
2(d) Precaution
Reminder!
1) It is NOT SAFETY PRECAUTION!!!
Take few readings and find the average to reduce random error
Position of eyes is perpendicular to the scale to avoid parallax error

33. Paper 3
Section B

35. Variables : Air pressure , Temperature.
Manipulated :
Responding :
Constant :
temperature
Air pressure
Volume of air

36. inference
MV affects RV affects
temperature
air pressure

37. hypothesis
Temperature
When increases, , increases
Air pressure

38. To investigate the relationship between and
aim
To investigate the relationship between and
temperature
pressure

39. Method of controlling manipulated variable
Manipulate variable : temperature
control : the first temperature
Heat up the water to 20 0C

40. Method of measuring responding variable
Responding variable : pressure
Measure pressure using : Bourdon gauge
Using Bourdon gauge , measure the
pressure and record the data

41. Analyse data
Pressure / Nm-2
Temperature / K 20 30 40 50 60

42. Graph
Temperature / K
Pressure / Nm-2

44. variables Manipulated : Responding : Constant : length resistance
diameter

45. inference
_ affects
length
resistance

46. When increases, , increases
hypothesis
When increases, , increases
length
resistance

47. aim
To investigate the relationship between and
length
resistance

48. Method of controlling manipulated variable
Manipulated variable : length
Control : the first length : 15 cm
Measure 15 cm length of wire and
connect both end at point A and B

49. Method of measuring responding variable
Responding variable : resistance
Measure potential difference using :
voltmeter
Measure potential difference using volmeter and calculate the resistance. Record data

50. Analyse data Length / cm 15 20 25 30 35 Resitance / Ω
Potential difference / V 15 20 25 30 35

51. Length cm
Resistance Ω

52. Cuba soalan muka surat 5