SEKTOR SEKOLAH BERASRAMA PENUH KEMENTERIAN PELAJARAN MALAYSIA PEPERIKSAAN PERCUBAAN PMR 2006 SAINS Kertas 2 Satu jam tiga puluh minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1. Tuliskan nombor kad pengenalan dan angka giliran anda pada ruang yang disediakan . 2. Kertas soalan ini adalah dalam Bahasa Inggeris . 3. Calon dikehendaki membaca maklumat di halaman 2. SULIT 55/2 Sains Kertas 2 Ogos 2006 NO. KAD PENGENALAN ANGKA GILIRAN Kod Pemeriksa Bahagi an Soala n Markah Penuh Markah Diperol ehi A 1 6 2 5 3 6 4 9 5 8 6 6 7 8 8 12 Jumlah 60 Nama :__________________ _____
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SEKTOR SEKOLAH BERASRAMA PENUH
KEMENTERIAN PELAJARAN MALAYSIA
PEPERIKSAAN PERCUBAAN PMR 2006
SAINS
Kertas 2
Satu jam tiga puluh minit
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Tuliskan nombor kad pengenalan dan angka gilirananda pada ruang yang disediakan .
2. Kertas soalan ini adalah dalam Bahasa Inggeris .
3. Calon dikehendaki membaca maklumat di halaman 2.
Kertas soalan ini mengandungi 15 halaman bercetak[Lihat sebelah
4. Figure 4 shows an experiment related to heat flow. Equal volumes of hot water are poured into each flask. The temperature of water is taken every 5 minutes for 20 minutes.
FIGURE 4
Table 2 shows the results obtained.
Time (minutes) Temperature of water in flasks ( oC )P Q R
The time suggested to complete this section is 30 minutes
7. Figure 7 shows a picture of animals R, S, T, U, and V
FIGURE 7
Observe the animals in Figure 7 carefully. a) Based on your observations in Figure 7, state the characteristics for any four animals R, S, T, U and V
R. ______________________________________________________
S. ______________________________________________________
T. _____________________________________________________
U. _____________________________________________________
V. _____________________________________________________ [4 marks]
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RS
T
VU
b) Classify animals R, S, T, U and V into groups based on their common characteristics. Name the animal belonging to each group.
[4 marks ]
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Commoncharacteristics
Name of animals
8. Figure 8 shows an electrical circuit to study the relationship between voltage, current and resistance .
FIGURE 8
This experiment is repeated using two, three and four dry cells connected in series.The ammeter and voltmeter readings are recorded. The result is as shown in Table 3.
Number of Dry Cells Current (A) Voltage (V)0 0 01 0.1 1.52 0.2 3.03 0.3 4.54 0.4 X
TABLE 3
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a) Record the ammeter reading in the space provided.
Ammeter reading = _________________A [1 mark]
b) State the manipulated and responding variables in the experiment.
Manipulated variable
Responding variable
Controlled variable Length of wire used in the circuit Resistance/ rheostat setting Type of dry cellsType of wire
(iii) Predict what will happened to the ammeter reading if the rheostat is replaced with a short length of copper wire ?
[ 1 mark ]
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f) Draw a parallel circuit in symbols using the following components:
[2 marks]
g) The electrical wiring system in houses is in parallel circuits. Give one advantage of this system. _____________________________________________________________________