Bhg B Pra AR2
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Transcript of Bhg B Pra AR2
SULIT
Section BBahagian B
[20 marks][20 markah]
Answer all questions.Jawab semua soalan。
Write your answers in the spaces provided.Tulis jawapan anda di ruang yang disediakan。
1. A group of pupils carries out an investigation about the characteristics of seed dispersal. Diagram 1 shows the result.Sekumpulan murid menjalankan penyiasatan tentang ciri-ciri pencaran biji
benih.Rajah 1 menunjukkan keputusan penyiasatan.
[Lihat halaman sebelah028 © 2015 SULIT
Seed/Biji benih
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Diagram 1/Rajah1(a) What is changed (manipulated variable) in this investigation?
Apakah yang diubah(Pembolehubah manipulasi) di dalam eksperimen ini?
____________________________________________________________(1 mark/ 1 markah)
(b)Based on group P and Q ways to spread seeds in different ways, state one inference.Nyatakan satu inferen berdasarkan cara penyebaran biji benih kumpulan P dan Q yang berbeza.
_____________________________________________________________(1 mark/ 1 markah)
(c) If the seed is not spread far enough, predict one observation.Nyatakan satu pemerhatian sekiranya biji benih tidak disebarkan dengan jarak yang jauh。
_____________________________________________________________(1 mark/ 1 markah)
(d)What conclusion can be made based on the given information?Apakah kesimpulan yang dapat dibuat berdasarkan maklumat yang diberikan?
_______________________________________________________________________
——————————————————————————————
—————— (1 mark/ 1 markah)
018 © 2015 SULIT
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2. Diagram 2 below shows the materials used in an investigation . Rajah 2 menunjukkan bahan yang digunakan di dalam satu penyiasatan.
Small square card Kad segiempat sama kecil
Diagram 2
Rajah 2
Instructions:Arahan:
1. Fill the surface of table A, B and C with the small square cards.2. Count and record the number of small square cards used to fill up the surface
of the table.3. Table 1 shows the result.
1. 把正方形硬卡分别排满 3张桌子的表面,A、B和 C。2. 计算并记录排满 3张桌子表面的正方形硬卡数量。3. 表一显示实验结果。4.
Table Jadual A B C
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AB C
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The number of small square cardBilanagan kad segiempat sama kecil
6 10 20
Table 1/Jadual 1(a) What is the purpose (aim) of this investigation?
Apakah tujuan Eksperimen?
_____________________________________________________________
_____________________________________________________________(1 mark/ 1 分)
(b)State one relationship between what is changed (manipulated variable) and what is observed (responding variable).
写出必须改变的事项(操纵性变数)和必须观察的事项(反应性变数)之间的关系。
_____________________________________________________________
_____________________________________________________________(1 mark/ 1 分)
(c) What is the trend of change in the number of small square cards required during this investigation?
在这项试验中,正方形硬卡数量的变化形式是怎样的?
_____________________________________________________________(1 mark/ 1 分)
(d)What is kept the same (constant variable) in this investigation ?
在这项实验中必须保持不变的事项(固定性变数)是什么?
____________________________________________________________
018 © 2015 SULIT
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(1 mark/ 1 分)
3. Diagram 3 shows three materials to be bury underground. After one month, the materials is dug out for observation.图 3显示三种物质分别埋在泥土里。一个月后,埋在土壤里的物质被挖出来并做出观察。
Newspaper Foods Plastic bottle报纸 食物 塑料瓶
Diagram 3图 3
(a) State
写出
i. what is kept the same (constant variable) in this investigation,
在这项实验中保持不变的事项(固定性变数),
[Lihat halaman sebelah028 © 2015 SULIT
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(1 mark/ 1 分)
ii. what is observed ( responding variable) in this investigation.
在这项实验中必须观察的事项(反应性变数)。
_________________________________________________________
(1 mark/ 1 分)
(b) Give one reason (inference) based on the observation of this investigation.
根据这项实验的观察结果,写出一个原因(推断)。
_____________________________________________________________(1 mark/ 1 分)
(c) Suggest one observation to support the reason (inference) in 3 (b) . 写出一个观察,以支持你在 3(b)项的原因(推断)。
____________________________________________________________(1 mark/ 1 分)
(d)Predict what will happen if the plastic bottles are buried underground for another one month?
如果把塑料瓶再埋在泥土里一个月,预测观察到的结果。
_____________________________________________________________(1 mark/ 1 分)
018 © 2015 SULIT
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4. Diagram 4 shows the information gathered by a group of pupils during an eclipse of the Sun.
图 4显示由一组学生在发生日食时收集到的资料。
Size of the Sun that can see
可看到的太阳面积
Time /时间(a.m)0 11.35 11.37 11.39 11.41 11.43
Diagram 3/图3
(a) What is the purpose (aim) of the investigation?这项实验的目的是什么?
_____________________________________________________________
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Size of the Sun that can see
可看到的太阳面积
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_____________________________________________________________(1 mark/ 1 分)
(b)State the trend in the change of the size of the Sun that we can see.
写出发生日食时可看到的太阳面积的变化形式。
_____________________________________________________________ (1 mark/ 1 分)
(c) State one information gathered in this investigation.
写出这项实验中所收集到的一个资料。
_____________________________________________________________(1 mark/ 1 分)
(d)State one reason (inference) about the observation at 10.39a.m.
针对在 11.39a.m观察到的结果,写出一个原因(推断)。
____________________________________________________________(1 mark/ 1 分)
5. Diagram 5 shows three books placed on the two plastic cup as shown X, Y and Z. The table is shake with the same force .
阿里把书本和塑料杯子排列如图 5的三个结构,X、Y和 Z。他用同样的力道不停地轻摇桌子。
018 © 2015 SULIT
Book书本
Plastic cup塑料杯子
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Diagram 5图 5
(a) State one information gathered in this investigation.
写出在这项实验中必须收集的一个资料。
(1 mark/ 1 分)
(b)What conclusion can be made from this investigation?
从这项实验中能做出什么结论?
________________________________________________________________
(1 mark/ 1 分)
Types of the materials used can affect the strength of a structure.
物体的制造材料会影响其强度。
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X ZY
Table
桌子
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(c) If you want to conduct an experiment based on the above statement, what is the thing that you need to be changed.
如果要进行一项有关上述说明的实验,试提出你必须改变的事项。
(1 mark/ 1 分)
END OF SECTION BB组完
018 © 2015 SULIT