Page 51 - 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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