Pmr Science Paper 2 Set 3
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1
Set 3
55/2 Science Paper 2 July 2006 1 1/2 hours JABATAN PELAJARAN NEGERI PERAK __________________________ PENILAIAN MENENGAH RENDAH 2006 Learning To Score
SCIENCE Paper 2 1 Hour 30 Minutes
DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO
1. This question paper consists of two sections:
Section
Question
Section A and Section B.
marks
2. Write your answers in the spaces provided in the question paper.
1
6
2
8
3
7
4
5
5
6
6
8
7
8
8
12
Total marks
60
A
3. The diagrams in the questions provided are not drawn to scale unless stated. 4. Marks allocated for each question or part question are shown in brackets. 5. The time suggested to complete Section A is 60 minutes and Section B is 30 minutes. 6. You may use a non-programmable scientific
Full
B
calculator. 7. Hand in your entire answer sheet at the end of the examination.
This question paper consists 11 printed pages
Marks
___________________________________________________Learning To Score 2006
Section A [40 marks] Answer all questions. The time suggested to complete this section is 60 minutes. 1
Figure 1 shows the surface of the human tongue. 4
FIGURE 1 (a)
Label parts P and Q for the taste of food which has the characteristics below. P - unripe mangoes Q - sweets
(b)
Write the pathway from the stimulus to response in the boxes given.
[2 marks]
P QR S -
Ears detect the ringing telephone Impulses are interpreted by the brain The telephone is ringing Hand picks up the ringing telephone
[1 mark] (c)
Match the stimuli given to the type of receptors in our skin. Type of receptor
Stimulus
Touch receptor Using Braille to read Heat receptor Cold receptor
Receiving an injection
Pain receptor
Hot iron
Pressure receptor [3 marks]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
2
___________________________________________________Learning To Score 2006 2
Figure 2 shows an activity to study air pressure. In the activity, a balloon was placed in warm water. balloon warm water
stone Figure 1 (a)
(i) What happens to the balloon after a few minutes? ………………………………………………………………………………………… [1 mark] (ii) Give a reason for your observation in (a)(i)
(b)
………………………………………………………………………………………. [1 mark] How does temperature affect air pressure?
(c)
……………………………………………………………………………………………… [1 mark] State the relationship between volume and air pressure in the balloon.
(d)
……………………………………………………………………………………………… [1 mark] (i) Sketch a graph to show the relationship between volume and air pressure. Label the axis.
[1 mark]
(e)
How do you restore the shape of the ping-pong ball above?
…………………………………………………………………………………….. [1 mark] (f)
Suggest an appliance using the principle of air pressure to solve the sink blockage. ……………………………………………………………………………………… [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
3
___________________________________________________Learning To Score 2006 (g)
State one safety steps that should be taken when using gas under the high pressure. …………………………………………………………………………. …………[1 mark]
3
Figure 3 shows the human menstrual cycle.
FIGURE 3 (a)
What is menstruation?
(b)
……………………………………………………………………………………………… [1 mark] (i) How many days does menstruation usually last? ……………………………………………………………………………………………… [1 mark]
(c)
What is ovulation?
(d)
………………………………………………………………………………….................. [1 mark] What happens to the lining of the uterus wall after menstruation?
(e)
………………………………………………………………………………….................. [1 mark] Why is personal hygiene important during menstruation?
(f)
………………………………………………………………………………….................. [1 mark] What is fertilisation?
(g)
………………………………………………………………………………….................. [1 mark] The flow chart shows the development of zygote after fertilisation. Fill in the box with correct answer. Zygote
Baby [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
4
___________________________________________________Learning To Score 2006 4
Figure 4 shows substances with different densities.
ice
P density 1.0 g/cm³
FIGURE 4 (a)
What is P?
(b)
………………………………………………………………………………….. ………… [1 mark] (i) Why the ice is floating in P? ……………………………………………………………………………………………… [1 mark] (ii) What will happen if the aluminium that has density of 2.7 g/cm³ is placed in the P? ……………………………………………………………………………………………… [1 mark]
(c)
Arrange the ice, aluminium and water according to their densities in ascending order. ………………………………………………………………………………….................. [1 mark]
(d)
Give an example of how density is applied in our daily life. ………………………………………………………………………………….................. [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
5
___________________________________________________Learning To Score 2006 5
Figure 5 shows an experiment on neutralisation.
Dilute Hydrochloric acid
Dilute sodium hydroxide FIGURE 5 (a)
Name the method that is used in the Figure 5 above.
(b)
………………………………………………………………………………….. ………… [1 mark] (i) Name two products formed in this experiment. ……………………………………………………………………………………………… [2 marks]
(c)
State the pH value of the products of neutralisation
(d)
………………………………………………………………………………….................. [1 mark] Write a word equation for the reaction that take place in Figure 5. ……………………………………………………………………………………………… [2 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
6
___________________________________________________Learning To Score 2006 6
Figure 6 shows an apparatus sets up to observe the pattern on magnetic field obtained when electricity passing through a straight wire.
Straight wire
switch
battery
cardboard
FIGURE 6 When iron fillings are fillings are spread on the cardboard, a magnetic field is set up around the wire. (a)
(i)Outline the pattern of the magnetic field produced in the box below.
[2 marks] (ii) What can you infer from your observations? ……………………………………………………………………………………………… [1 mark] (iii) State the pattern formed on the cardboard?
(b)
……………………………………………………………………………………………… [1 mark] (i) How can the direction of the circular lines be determined? ………………………………………………………………………………….................. [1 mark] (ii) What will happen to the magnetic field if the terminal is inverted? ………………………………………………………………………………….................. [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
7
___________________________________________________Learning To Score 2006 (c)
State the characteristics of the magnetic field. (i) …………………………………………………………………………………............. (ii) ………………………………………………………………………………………….. [2 marks]
Section B [20 marks] Answer all questions. The time suggested to complete this section is 60 minutes. 7
Figure 7 shows the apparatus used to study a physical property of some elements. Each of the elements is connected across the circuit in turn and the switch is pressed. The results of the experiment are shown in Table 2. battery
switch
bulb
Crocodile
element
FIGURE 7 Elements
Observations
P
Bulb lights up
Q
Bulb lights up
R
Bulb does not light up
S
Bulb lights up
T
Bulb does not light up TABLE 7.1
(a)
Based on your observation in Table 2, classify the elements P, Q, R, S, T into two groups Elements
Groups
Unit Kurikulum Jabatan Pelajaran Negeri Perak
8
___________________________________________________Learning To Score 2006
Elements
( 4 marks ) (b)
The element that has been grouped in, state a property of each element.
Elements
Property
Example
( 4 marks ) 8
Figure 8 shows a weight potometer. An experiment is carried out to study the effects of wind on the rate of transpiration
FIGURE 8 The rate of transpiration is measured with two set of weight potometer (figure 8) , one set is placed under room condition as a control and another set is placed near a fan (switch on). The reading of the beam balance (the weight of potometer) is recorded every 5 minutes until 30 minutes and the results are tabulated in Table 8.1.
Time (min.) Control (gram) Windy (gram)
0
5
10
15
20
25
30
20
18
16
14
12
10
8
20
15
12
10
8
6
4
Table 8.1 Unit Kurikulum Jabatan Pelajaran Negeri Perak
9
___________________________________________________Learning To Score 2006
(a)
(i) What is the observation of the experiment?
(ii)
………………………………………………………………………………….. …………. [1 mark] What inference can be made based on the experiment.
(iii)
…………………………………………………………………………………………….. [ 1 mark] State the hypothesis based on the observations.
(b)
…………………………………………………………………………………………….. [ 1 mark] State the relationship between the potometer reading and time.
(c)
…………………………………………………………………………………………….. [ 1 mark] State the variables involved in this experiment. Fixed variables Manipulated variables Responding variables [3 mark]
(d)
Using Table 8.1, draw a graph of the beam balance reading against time.
[3 marks] Unit Kurikulum Jabatan Pelajaran Negeri Perak
10
___________________________________________________Learning To Score 2006
(e)
What causes the change in weight in the experiment? ……………………………………………………………………………………………… [ 1 mark]
(f)
Based on the graph in (c), what conclusion can you make from the experiment? ……………………………………………………………………………………………… [ 1 mark]
END OF QUESTION PAPER
Unit Kurikulum Jabatan Pelajaran Negeri Perak
11
Set 3
55/2 Science Paper 2 July 2006 1 1/2 hours JABATAN PELAJARAN NEGERI PERAK __________________________ PENILAIAN MENENGAH RENDAH 2006 Learning To Score
SCIENCE Paper 2 1 Hour 30 Minutes
DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO
1. This question paper consists of two sections:
Section
Question
Section A and Section B.
marks
2. Write your answers in the spaces provided in the question paper.
1
6
2
8
3
7
4
5
5
6
6
8
7
8
8
12
Total marks
60
A
3. The diagrams in the questions provided are not drawn to scale unless stated. 4. Marks allocated for each question or part question are shown in brackets. 5. The time suggested to complete Section A is 60 minutes and Section B is 30 minutes. 6. You may use a non-programmable scientific
Full
B
calculator. 7. Hand in your entire answer sheet at the end of the examination.
This question paper consists 11 printed pages
Marks
___________________________________________________Learning To Score 2006
Section A [40 marks] Answer all questions. The time suggested to complete this section is 60 minutes. 1
Figure 1 shows the surface of the human tongue. 4
FIGURE 1 (a)
Label parts P and Q for the taste of food which has the characteristics below. P - unripe mangoes Q - sweets
(b)
Write the pathway from the stimulus to response in the boxes given.
[2 marks]
P QR S -
Ears detect the ringing telephone Impulses are interpreted by the brain The telephone is ringing Hand picks up the ringing telephone
[1 mark] (c)
Match the stimuli given to the type of receptors in our skin. Type of receptor
Stimulus
Touch receptor Using Braille to read Heat receptor Cold receptor
Receiving an injection
Pain receptor
Hot iron
Pressure receptor [3 marks]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
2
___________________________________________________Learning To Score 2006 2
Figure 2 shows an activity to study air pressure. In the activity, a balloon was placed in warm water. balloon warm water
stone Figure 1 (a)
(i) What happens to the balloon after a few minutes? ………………………………………………………………………………………… [1 mark] (ii) Give a reason for your observation in (a)(i)
(b)
………………………………………………………………………………………. [1 mark] How does temperature affect air pressure?
(c)
……………………………………………………………………………………………… [1 mark] State the relationship between volume and air pressure in the balloon.
(d)
……………………………………………………………………………………………… [1 mark] (i) Sketch a graph to show the relationship between volume and air pressure. Label the axis.
[1 mark]
(e)
How do you restore the shape of the ping-pong ball above?
…………………………………………………………………………………….. [1 mark] (f)
Suggest an appliance using the principle of air pressure to solve the sink blockage. ……………………………………………………………………………………… [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
3
___________________________________________________Learning To Score 2006 (g)
State one safety steps that should be taken when using gas under the high pressure. …………………………………………………………………………. …………[1 mark]
3
Figure 3 shows the human menstrual cycle.
FIGURE 3 (a)
What is menstruation?
(b)
……………………………………………………………………………………………… [1 mark] (i) How many days does menstruation usually last? ……………………………………………………………………………………………… [1 mark]
(c)
What is ovulation?
(d)
………………………………………………………………………………….................. [1 mark] What happens to the lining of the uterus wall after menstruation?
(e)
………………………………………………………………………………….................. [1 mark] Why is personal hygiene important during menstruation?
(f)
………………………………………………………………………………….................. [1 mark] What is fertilisation?
(g)
………………………………………………………………………………….................. [1 mark] The flow chart shows the development of zygote after fertilisation. Fill in the box with correct answer. Zygote
Baby [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
4
___________________________________________________Learning To Score 2006 4
Figure 4 shows substances with different densities.
ice
P density 1.0 g/cm³
FIGURE 4 (a)
What is P?
(b)
………………………………………………………………………………….. ………… [1 mark] (i) Why the ice is floating in P? ……………………………………………………………………………………………… [1 mark] (ii) What will happen if the aluminium that has density of 2.7 g/cm³ is placed in the P? ……………………………………………………………………………………………… [1 mark]
(c)
Arrange the ice, aluminium and water according to their densities in ascending order. ………………………………………………………………………………….................. [1 mark]
(d)
Give an example of how density is applied in our daily life. ………………………………………………………………………………….................. [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
5
___________________________________________________Learning To Score 2006 5
Figure 5 shows an experiment on neutralisation.
Dilute Hydrochloric acid
Dilute sodium hydroxide FIGURE 5 (a)
Name the method that is used in the Figure 5 above.
(b)
………………………………………………………………………………….. ………… [1 mark] (i) Name two products formed in this experiment. ……………………………………………………………………………………………… [2 marks]
(c)
State the pH value of the products of neutralisation
(d)
………………………………………………………………………………….................. [1 mark] Write a word equation for the reaction that take place in Figure 5. ……………………………………………………………………………………………… [2 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
6
___________________________________________________Learning To Score 2006 6
Figure 6 shows an apparatus sets up to observe the pattern on magnetic field obtained when electricity passing through a straight wire.
Straight wire
switch
battery
cardboard
FIGURE 6 When iron fillings are fillings are spread on the cardboard, a magnetic field is set up around the wire. (a)
(i)Outline the pattern of the magnetic field produced in the box below.
[2 marks] (ii) What can you infer from your observations? ……………………………………………………………………………………………… [1 mark] (iii) State the pattern formed on the cardboard?
(b)
……………………………………………………………………………………………… [1 mark] (i) How can the direction of the circular lines be determined? ………………………………………………………………………………….................. [1 mark] (ii) What will happen to the magnetic field if the terminal is inverted? ………………………………………………………………………………….................. [1 mark]
Unit Kurikulum Jabatan Pelajaran Negeri Perak
7
___________________________________________________Learning To Score 2006 (c)
State the characteristics of the magnetic field. (i) …………………………………………………………………………………............. (ii) ………………………………………………………………………………………….. [2 marks]
Section B [20 marks] Answer all questions. The time suggested to complete this section is 60 minutes. 7
Figure 7 shows the apparatus used to study a physical property of some elements. Each of the elements is connected across the circuit in turn and the switch is pressed. The results of the experiment are shown in Table 2. battery
switch
bulb
Crocodile
element
FIGURE 7 Elements
Observations
P
Bulb lights up
Q
Bulb lights up
R
Bulb does not light up
S
Bulb lights up
T
Bulb does not light up TABLE 7.1
(a)
Based on your observation in Table 2, classify the elements P, Q, R, S, T into two groups Elements
Groups
Unit Kurikulum Jabatan Pelajaran Negeri Perak
8
___________________________________________________Learning To Score 2006
Elements
( 4 marks ) (b)
The element that has been grouped in, state a property of each element.
Elements
Property
Example
( 4 marks ) 8
Figure 8 shows a weight potometer. An experiment is carried out to study the effects of wind on the rate of transpiration
FIGURE 8 The rate of transpiration is measured with two set of weight potometer (figure 8) , one set is placed under room condition as a control and another set is placed near a fan (switch on). The reading of the beam balance (the weight of potometer) is recorded every 5 minutes until 30 minutes and the results are tabulated in Table 8.1.
Time (min.) Control (gram) Windy (gram)
0
5
10
15
20
25
30
20
18
16
14
12
10
8
20
15
12
10
8
6
4
Table 8.1 Unit Kurikulum Jabatan Pelajaran Negeri Perak
9
___________________________________________________Learning To Score 2006
(a)
(i) What is the observation of the experiment?
(ii)
………………………………………………………………………………….. …………. [1 mark] What inference can be made based on the experiment.
(iii)
…………………………………………………………………………………………….. [ 1 mark] State the hypothesis based on the observations.
(b)
…………………………………………………………………………………………….. [ 1 mark] State the relationship between the potometer reading and time.
(c)
…………………………………………………………………………………………….. [ 1 mark] State the variables involved in this experiment. Fixed variables Manipulated variables Responding variables [3 mark]
(d)
Using Table 8.1, draw a graph of the beam balance reading against time.
[3 marks] Unit Kurikulum Jabatan Pelajaran Negeri Perak
10
___________________________________________________Learning To Score 2006
(e)
What causes the change in weight in the experiment? ……………………………………………………………………………………………… [ 1 mark]
(f)
Based on the graph in (c), what conclusion can you make from the experiment? ……………………………………………………………………………………………… [ 1 mark]
END OF QUESTION PAPER
Unit Kurikulum Jabatan Pelajaran Negeri Perak
11
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