Ranger SPM 2022 - Science

Science SPM SPM Model Paper
(d) Brass is an alloy. Based on this
Metre rule experiment, state the operational
definition of an alloy.
[1 mark]
Thread
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(e) Figure 2.4 shows an aeroplane
Weight owned by Malaysia Airlines
Berhad.
Retort Steel ball
stand Cellophane
tape
Brass block

Figure 2.2 Figure 2.4
After the experiment, the depth of The body of an aeroplane is made
the dent produced on each block is from duralumin. Why is duralumin
measured and recorded in Table 2. used in the construction of an
Table 2 aeroplane instead of a pure
metal? [1 mark]
Type of Depth of dent
block (cm) 3. Figure 3 shows the apparatus set-
up for an experiment to study the
Copper block
relationship between mass and inertia.
A piece of plasticine with a mass of
Brass block 0.3
50 g is placed at the end of a
hacksaw blade which is then pulled
(a) Complete Table 2 by measuring aside horizontally and released. The
the depth of the dent produced time taken for the hacksaw blade to
on the copper block shown in complete 20 oscillations is recorded.
Figure 2.3.
Depth
of dent
Copper
block
G-clamp
Figure 2.3
[1 mark] Plasticine

(b) State the inference based on the Hacksaw blade
results of the experiment shown
in Table 2. Figure 3
[1 mark] The experiment is repeated by using
plasticine with a mass of 100 g,
(c) State the responding variable in
this experiment. 150 g and 200 g. The results of the
experiment are shown in Table 3.1.
[1 mark]



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Science SPM SPM Model Paper
Table 3.1 Write your answer in Table 3.2.
Time taken for Table 3.2
Mass of
plasticine (g) 20 oscillations Mass of Time taken for
(s) Period, T
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plasticine 20 oscillations (s)
50 10 (g) (s)
100 20 200 40
150 30 [1 mark]

200 40 (d) A student is trying to escape from
a large wild boar that is chasing
him. Based on your knowledge of
(a) Using the data from Table 3.1, inertia, suggest an action that the
draw a graph of the time taken for student should take to help him
20 complete oscillations against get away safely.
the mass of the plasticine. [1 mark]

Time taken for 20 complete oscillations (s)
40 4. A student is conducting an experiment
to study the growth of bacteria on
nutrient agar that has been streaked
30 with an unwashed hand and on
nutrient agar that has been streaked
with a hand that has been washed
20 with soap and water. The student then
placed both Petri dishes upside down
in a cupboard for 3 days. Figure 4.1
10
and Figure 4.2 show the results after
Mass of 3 days.
plasticine (g)
0 50 100 150 200
[2 marks]

(b) Based on your answer in 3(a),
state the relationship between
the time taken for 20 complete
oscillations and the mass of the
plasticine. [1 mark] Figure 4.1 Figure 4.2
(c) Calculate the period, T, of one (a) State the observation for this
complete oscillation for the experiment.
plasticine with a mass of 200 g [1 mark]
based on the formula:
(b) State the factor which is constant
t in this experiment.
Period, T = 20 (s) [1 mark]




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Science SPM SPM Model Paper
(c) State the hypothesis for this (e) The coronavirus is a new virus
experiment. that attacks the human respiratory
[1 mark] system. Besides washing our
hands with soap and water,
(d) Predict the number of bacterial what is another way to prevent
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colonies on the nutrient agar that infection by the virus?
is streaked with a hand that had [1 mark]
been washed with water only.
[1 mark]







Section B
[38 marks]

Answer all questions in this section.

5. Figure 5 shows a man who is having (d) State one other sign which shows
breathing difficulties due to choking. that the victim is choking and
needs emergency help.
[1 mark]

(e) Cardiopulmonary resuscitation
(CPR) is an emergency help
procedure. Should it be performed
on the victim in Figure 5?
Explain your answer.
[2 marks]

6. Figure 6 shows the structure of a knee
Figure 5 joint.
(a) State the cause of choking in the
victim. Muscle Bone
[1 mark]
(b) State one emergency help Synovial Cartilage
procedure that should be fluid
performed to save the life of the Y
victim. [1 mark] X Bone

(c) Explain the emergency help
technique that you stated in 5(a). Figure 6
[1 mark]






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Science SPM SPM Model Paper
(a) Name X and Y. (c) Element T has a nucleon number
[2 marks] of 23. How many neutrons are
there in element T?
(b) State one function of X. [1 mark]
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[1 mark]
(d) Colourful street lights contain one
(c) What will happen if there is a of the elements in the Periodic
decrease in synovial fluid? Table. Based on Figure 7, name
[1 mark] the element. Explain your answer.
[2 marks]
(d) A girl is interested in taking part
in gymnastics. Suggest two things 8. Figure 8 shows a process that
she should do to avoid any injury produces nuclear energy.
to her joints and muscles.
[2 marks] Neutron

7. Figure 7 shows a Modern Periodic Krypton
Table of Elements.
Neutron Neutron
1 18 X Barium
1 2 13 1415 16 17
2 R S V U
3 T 3 4 5 6 7 8 9 10 11 12 Neutron
4
5 Figure 8
6
7 (a) Name the process in Figure 8.
[1 mark]

Figure 7 (b) Based on Figure 8, name X.
[1 mark]
(a) How are the elements arranged
in the Modern Periodic Table of (c) State two uses of radioactive
Elements? radiation in the medical field.
[1 mark] [2 marks]
(b) Based on Figure 7, (d)
The use of nuclear energy
(i) determine the proton number brings greater progress to a
for S. country.
[1 mark]
(ii) which element can form ionic Do you agree with the statement?
compounds? Justify your answer.
[1 mark] [2 marks]









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Science SPM SPM Model Paper
9. Figure 9 shows fresh milk that
has undergone a food processing
technology.

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MILK

[3 marks]
Figure 9
(a) Based on Figure 9, state the food 10. Figure 10 shows the apparatus set-
processing technology used. up for a process used in metal
[1 mark] electroplating.

Batteries
(b) State one advantage of using the
food processing technology in
9(a). Copper + –
[1 mark] strip
Electrolyte Key
(c) Explain the method of food
processing stated in 9(a). Figure 10
[1 mark]
(a) Based on Figure 10, name the
(d) State one other type of food process.
produced using the food [1 mark]
processing technology in 9(a).
[1 mark] (b) State the changes that occur at
the anode and the cathode.
(e) You are one of the participants [2 marks]
at a camp organised by the
school. In a living skills activity, (c) State the electrolyte used in the
you are given a pizza box, some electroplating process.
aluminium foil and a piece of black [1 mark]
paper to cook some sausages for
your meal. (d) During an electricity breakdown,
Design a solar oven using the you can use materials from the
materials given. Label your kitchen to generate electricity
diagram. from chemical energy. You are
given a lemon, an iron nail, a
sheet of zinc, some wires and a
bulb.






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Science SPM SPM Model Paper
Design a simple cell to light up the bulb. Label your diagram.




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[3 marks]
Section C

[22 marks]

Answer Question 11 and either Question 12 or 13.
11. Study the following information.


A patient with high fever due to a bacterial infection who is treated with an antibiotic
will recover quicker than a patient who is not treated with the antibiotic.

(a) State one problem statement from the above information.
[1 mark]

(b) Suggest one hypothesis to investigate the above statement.
[1 mark]
(c) Based on the given statement, design a laboratory experiment to test your
hypothesis by using sterile nutrient agar, two filter paper discs (of diameter 6 mm),
penicillin solution (30% concentration), cellophane tape, two Petri dishes with
covers, distilled water, syringe, sterile forceps and a ruler.
Your description should include the following aspects:
(i) Aim of experiment [1 mark]
(ii) Identification of variables [2 marks]
(iii) Procedure or method [4 marks]

(iv) Tabulation of data [1 mark]








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Science SPM SPM Model Paper
12. (a) State two endocrine glands and 13. (a) Explain two food processing
the function of the hormone methods.
produced by each endocrine [4 marks]
gland.
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[4 marks] (b) Obesity is a health problem
that can lead to various serious
(b) diseases such as heart attacks,
The Royal Malaysia Police high blood pressure, diabetes
(RMP) recorded nine cases mellitus and arteriosclerosis.
of deaths in road accidents
caused by drunk drivers from Based on the statement above,
January until May of 2020. describe the ways to overcome
the problem.
Source: Harian Metro, Monday,
1 Jun 2020 Your description should include
the following information:
Based on the above statement, (i) Identify the problem
explain ways to prevent the [1 mark]
problem.
(ii) Clarification of the problem
Your explanation should include [1 mark]
the following aspects:
(iii) Explain three ways to solve
(i) Identify the problem the problem.
[1 mark] [6 marks]
(ii) Clarification of the problem
[1 mark]
(iii) Explain three methods to
overcome the problem.
[6 marks]























SPM Model Paper Answers




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