UPSR 2010 - Science

PYQ - Science 2010 Sec.A.Q1


Diagram 1 below shows four types of seeds.
图 1 显示四类种子。

Diagram 1 / 图 1

The following are characteristics for seeds in group S and group T.
下面是组 S 和 组 T 植物的特征。

S T
  • Have a wing-like structure
    有翼状结构
  • Lightweight
    轻盈
  • Have thorns and hooks
    有钩和刺
  • Small in size
    体积小

Which of the following have been correctly classified into group S and group T?
下面哪项关于组 S 和组 T 的归类是正确的?

  S T
A Shorea and angsana
龙脑香和青龙木
Love grass and mimosa
相思草和含羞草
B Love grass and mimosa
相思草和含羞草
Shorea and angsana
龙脑香和青龙木
C Shorea and mimosa
龙脑香和含羞草
Love grass and angsana
相思草和青龙木
D Mimosa and angsana
含羞草和青龙木
Shorea and love grass
龙脑香和相思草
 
PYQ - Science 2010 Sec.A.Q2


Diagram 2 shows a situation in a habitat.
图 2 显示一个栖息地的情况。

What will happen if all rats are poisoned by the farmer?
如果所有的老鼠被农夫毒死,将会发生什么事?

I The number of grasshoppers decreases
蚱蜢的数量减少
II The harvesting production of paddy increases
稻的收成增加
III The number of snake increases
蛇的数量增加
IV The sources of food for the owl decreases
猫头鹰的食物来源减少

A     I and II
        I 和 II

B     I and III
        I 和 III

C     II and IV
        II 和 IV

D     III and IV
        III 和 IV

 
PYQ - Science 2010 Sec.A.Q3


Diagram 3 shows plants classified into three groups, X, Y and Z.
图 3 显示被归类为 X、Y 和 Z 三组的植物。

X Y Z

Diagram 3 / 图 3

Which of the following represents X,Y and Z?
下面哪项代表 X、Y 和 Z?

  X Y Z
A Stem cutting
切枝
Seeds
种子
Underground stem
地下茎
B Seeds
种子
Spores
孢子
Sucker
幼芽
C Sucker
幼芽
Stem cutting
切枝
Spores
孢子
D Underground stem
地下茎
Spores
孢子
Leaves
叶片
 
PYQ - Science 2010 Sec.A.Q4


Diagram 4 shows four animals, J, K, L and M.
图 4 显示四种动物,J、K、L 和 M。

Which animals breathe through trachea structures?
那些动物是用气孔来呼吸的?

A     J and K
        J 和 K

B     J and M
        J 和 M

C     L and M
        L 和 M

D     K and L
        K 和 L

 
PYQ - Science 2010 Sec.A.Q5


What is the best way to prevent mosquitoes from breeding in the pond outside the house?
预防蚊子在屋外池塘繁殖的最有效方法是什么?

A     Put fish into the pond
        把鱼儿放入池塘中

B     Pour insecticide into the pond
        把杀虫剂倒入池塘中

C     Burn mosquito coil near the pond
        在池塘边点燃蚊香

D     Cover the pond surface with a fishing net
        用渔网覆盖池塘

 
PYQ - Science 2010 Sec.A.Q6


Table 1 shows the change in water temperature over time.
表 1 显示水温随着时间而改变。

Time(minutes)
时间(分钟)
2 4 6 8 10
Temperature(°C)
温度(°C)
25 20 15 10 5

Table 1 / 表 1

Which of these statements are correct about the change in water temperature?
下面哪些说明水温的改变是正确的?

I The water gains heat
水吸收热能
II The water becomes colder
水变得较冷
III The water becomes warmer
水变得较热
IV The water loses heat
水散发热能

A     I and II
        I 和 II

B     I and III
        I 和 III

C     II and IV
        II 和 IV

D     III and IV
        III 和 IV

 
PYQ - Science 2010 Sec.A.Q7


Diagram 5 shows a floor partly covered with tiles of the same size.
图 5 显示一个地面,其一部分铺上了大小一样的瓷砖。

Diagram 5 / 图 5

How many more tiles are needed to cover up the whole floor?
还需要多少块瓷砖才能铺满整个地面?

A     30

B     25

C     20

D     15

 
PYQ - Science 2010 Sec.A.Q8


Diagram 6 shows the average speed of three vehicles travelling from Kuantan to Ipoh using the same route.
图 6 显示三种交通工具从关丹岛怡保用同一条路线的速度。

Vehicle
交通工具
P
8p
Q
8q
R
8r
Speed (km/h)
速度 (km/h)
60 80 100

Which bar chart represents the average speed of the vehicles?
哪个条形统计图代表这些交通工具的速度?

A     8p

B     8p

C     8p

D     8p

 
PYQ - Science 2010 Sec.A.Q9


Table 2 shows the results of an investigation about swinging pendulum.
表 2 显示钟摆摆动的实验结果。

Pendulum
钟摆
Time taken for 30 complete swings (seconds)
30 次完整摆动所需的时间(秒)
T 20
U 24
V 30
W 38

Table 2 / 表 2

What is the conclusion of this investigation?
这项实验的结论是什么?

A     T swings the slowest
        T 摆动得最慢

B     U swings faster than V
        U 摆动得比 V 快

C     W swings faster than U
        W 摆动得比 U 快

D     V swings slower than W
        V 摆动得比 W 慢

 
PYQ - Science 2010 Sec.A.Q10


Diagram 7 shows a pupil doing an investigation about frictional force. He pulls a box along a concrete surface.
图 7 显示一个学生在进行一项有关摩擦力的实验。他在水泥地面上拉动一个箱子。

Diagram 7 / 图 7

What happens if the investigation is repeated on the grass?
如果在草地上重复这项实验,将会怎样?

A     Easier to pull the box
        更轻易地拉动箱子

B     The frictional force decreases
        摩擦力减少了

C     The distance travelled by the box is longer
        箱子所移动的距离比较远

D     It takes a longer time to pull the box at the same distance
        在同一距离上需花费更长的时间来拉动箱子

 
PYQ - Science 2010 Sec.A.Q11


Diagram 8 shows the melting of a lighted candle.
图 8 显示一根点燃了的蜡烛。

Which is the correct sequence of energy transformation that occur?
哪项是能的转换的正确次序?

A     Heat energy → Light energy + Chemical energy
        热能 → 光能 + 化学能

B     Electrical energy → Chemical energy → Heat energy
        电能 → 化学能 → 热能

C     Chemical energy → Light energy + Heat energy
        化学能 → 光能 + 热能

D     Chemical energy → Electrical energy → Heat energy
        化学能 → 电能 → 热能

 
PYQ - Science 2010 Sec.A.Q12


Diagram 9 shows a tool to measure time.
图 9 显示一个测量时间的工具。

Diagram 9 / 图 9

What is the characteristics of this tool that enables it to be used to measure time?
这个能用来测量时间的工具有什么特征?

A     It swings uniformly
        有规律地摆动

B     It has a standard scale
        有一个标准的刻度

C     Water drips through it uniformly
        水有规律地滴下

D     It measures minute and second accurately
        准确地测量分钟和秒

 
PYQ - Science 2010 Sec.A.Q13


Susan wants to investigate the reflection of light.
Which object can she use to reflect light?

苏珊要进行一项光的反射的实验。
哪个物体可以用来反射光?

A     Mirror
        镜子

B     Cardboard
        纸板

C     Clear glass
        透明的玻璃

D     Plastic sheet
        塑料片

 
PYQ - Science 2010 Sec.A.Q14


What is the meaning of speed?
什么是速度?

A     The ability of an object to move
        物体移动的能力

B     The time taken when an object moves
        物体移动所需的时间

C     The distance travelled by a moving object
        物体所移动的距离

D     A measurement of how fast an object moves
        测量物体移动的快慢

 
PYQ - Science 2010 Sec.A.Q15


Diagram 10 is a bar chart showing the quantity of four types of waste in an area.
图 10 的条形统计图显示某地的四种废物的分量。

Diagram 10 / 图 10

Which of the following statements is correct about the quantity of the waste?
下面哪项有关废物分量的说明是正确的?

A     Less glass than metal
        玻璃壁金属少

B     Less plastic than organic
        塑料比有机废料少

C     More organic than metal
        有机废料比金属多

D     More metal than plastic
        金属比塑料多

 
PYQ - Science 2010 Sec.A.Q16


Four similar towels are hung in different places. Table 3 shows the time taken for the towels to dry.
四条相同的湿毛巾张挂在不同的地点。表 3 显示晒干这四条毛巾所需的时间。

Towel
毛巾
Time taken to dry (hour)
晒干所需的时间(小时)
W 4
X 1
Y 6
Z 2

Table 3 / 表 3

Which of the following shows the possible places where the towels are hung?
下面哪项可能是张挂这些毛巾的地点?

A

Towel
毛巾
Place
地点
W House compound
庭院
X Bedroom
卧室
Y Bathroom
浴室
Z Kitchen
厨房

B

Towel
毛巾
Place
地点
W Bathroom
浴室
X Kitchen
厨房
Y Bedroom
卧室
Z House compound
庭院

C

Towel
毛巾
Place
地点
W Bedroom
卧室
X House compound
庭院
Y Bathroom
浴室
Z Kitchen
厨房

D

Towel
毛巾
Place
地点
W Bedroom
卧室
X Bathroom
浴室
Y House Compound
庭院
Z Kitchen
厨房
 
PYQ - Science 2010 Sec.A.Q17


The following information are steps in the process of making a type of food called ‘opak-opak’.
下面是制作木薯饼(opak-opak)的步骤。

W Overturn the thin layer of paste and place on the pot lid over the pot of boiling water
把锅盖上的糊状薄片翻转后,将锅盖放在装了沸水的锅上
X Scoop out one tablespoon of the paste onto the top of the pot lid and press to form a thin layer
把一汤匙的糊状物放在锅盖上,并压成薄片
Y Mix grated tapioca with starch flour, salt, and food colouring to form a paste
把磨碎的木薯混合薯粉、盐及色素制成糊状物
Z Dry the pressed paste under the sunlight for two days
把压平的糊状物放在阳光下晒两天

Choose the correct sequence of the steps in the process.
选出上面制作过程的正确排列。

A     W, X, Y, Z

B     Y, X, W, Z

C     W, Z, Y, X

D     Z, Y, X, W

 
PYQ - Science 2010 Sec.A.Q18


Nani finds that her school shoes are still wet.
What should she do to dry the shoes faster?

娜妮发现她的校鞋还很湿。
她该如何更快地把校鞋弄干?

A     Wipe the shoes with a white polish
        把鞋子涂上白色鞋粉

B     Put the shoes under a spinning fan
        把鞋子放在旋转着的电风扇地下

C     Put the shoes on a rack
        把鞋子放在鞋架上

D     Iron the shoes
        熨鞋子

 
PYQ - Science 2010 Sec.A.Q19


Diagram 11 shows an investigation about the state of matter.
图 11 显示有关物质形态变化的实验。

Diagram 11 / 图 11

Choose the correct sequence of the processes involved.
选出这些变化过程的正确排列。

A     Melting → Condensation → Boiling
        融化 → 凝结 → 沸腾

B     Boiling → Melting → Condensation
        沸腾 → 融化 → 凝结

C     Boiling → Condensation → Melting
        沸腾 → 凝结 → 融化

D     Melting → Boiling → Condensation
        融化 → 沸腾 → 凝结

 
PYQ - Science 2010 Sec.A.Q20


Diagram 12 shows three types of food.
图 12 显示三种食物。

Diagram 12 / 图 12

What are the most suitable method to preserve the food?
哪项是最适合用来保存这些食物的方法?

  R S T
A Pickling
腌渍
Drying
干藏
Bottling
装瓶
B Smoking
熏制
Salting
盐腌
Canning
装罐
C Waxing
上蜡
Pasteurizing
巴氏杀菌法
Pickling
腌渍
D Salting
盐腌
Canning
装罐
Vacuum packing
真空包装
 
PYQ - Science 2010 Sec.A.Q21


Diagram 13 shows a carton of eggs.
图 13 显示一盒鸡蛋。

What is the best way to ensure the eggs last a very long time?
哪个是确保这些鸡蛋保存得更久的最好方法?

A     Salting
        盐腌

B     Drying
        干藏

C     Pickling
        腌渍

D     Cooling
        冷藏

 
PYQ - Science 2010 Sec.A.Q22


Which of the following is likely to happen on the Earth during a total Eclipse of the Sun?
全日食时,下面哪些是可能会在地球上出现的现象?

I Day light suddenly becomes dark
白天的天色突然变暗
II All the animals become noisy
所有动物惊慌乱叫起来
III A thunder storm suddenly occurs
突然下起雷雨
IV The temperature falls a few degrees celcius
气温会下降几个摄氏度

A     I and III
        I 和 III

B     I and IV
        I 和 IV

C     II and III
        II 和 III

D     II and IV
        II 和 IV

 
PYQ - Science 2010 Sec.A.Q23


The following information is about planet X.
下面是有关行星 X 的说明。

  • The fifth planet from the Sun
    从太阳算起的第五个行星
  • The biggest planet in the Solar System
    太阳系里最大的行星

Which of the following is planet X?
哪个是行星 X?

A     Earth
        地球

B     Saturn
        土星

C     Mars
        火星

D     Jupiter
        木星

 
PYQ - Science 2010 Sec.A.Q24


Diagram 14 shows three different constellations.
图 14 显示三个星座。

Which of the following correctly represents S, T and U?
哪项正确地代表 S、T 和 U?

  S T U
A Scorpion
天蝎座
Orion
猎户座
Southern Cross
南方十字座
B Big Dipper
北斗七星
Southern Cross
南方十字座
Scorpion
天蝎座
C Orion
猎户座
Scorpion
天蝎座
Big Dipper
北斗七星
D Southern Cross
南方十字座
Big Dipper
北斗七星
Orion
猎户座
 
PYQ - Science 2010 Sec.A.Q25


Diagram 15 shows the objects used by a teacher to show how the Moon reflects the light from the Sun.
图 15 显示一位老师用来模拟月球反射太阳光的物体。

Diagram 15 / 图 15

What are represented by X, Y and Z?
X、Y 和 Z 各代表什么?

  X Y Z
A Sun
太阳
Moon
月球
Earth
地球
B Moon
月球
Sun
太阳
Earth
地球
C Earth
地球
Moon
月球
Sun
太阳
D Sun
太阳
Earth
地球
Moon
月球
 
PYQ - Science 2010 Sec.A.Q26

Diagram 16 shows two adjacent buildings.
图 16 显示两栋毗连的建筑物。

Diagram 16 / 图 16

Which location is the most shady in the evening?
在傍晚时分,哪个位置是最阴凉的?

A     W

B     X

C     Y

D     Z

 
PYQ - Science 2010 Sec.A.Q27


Encik Adam wants to show the microorganisms in the water to his pupils.
Which device can be used by Encik Adam?

亚当先生要向学生展示水中的微生物。
亚当先生可用下面哪个仪器?

 
PYQ - Science 2010 Sec.A.Q28


Diagram 17 shows Puan Lily cooking in a kitchen.
图 17 显示丽丽女士正在厨房里准备食物。

Which of the following can make her work easier?
哪些可以减轻她的工作?

I Blend the chillies in a blender
用搅拌器搅碎辣椒
II Grind the onions using a mortar
用石臼研磨洋葱
III Cook the rice using an electrical rice cooker
用电饭锅煮饭
IV Open the can using a knife
用刀开罐头

A     I and II
        I 和 II

B     I and III
        I 和 III

C     II and IV
        II 和 IV

D     III and IV
        III 和 IV

 
PYQ - Science 2010 Sec.A.Q29


Diagram 18 shows a pupil who cannot remember telephone numbers.
图 18 显示一个不能记住电话号码的学生。

Diagram 18 / 图 18

What can he do to overcome his memory limitations?
可用什么方法来帮助他解决不能记忆的问题?

A     Dial the numbers everyday
        每天拨那些号码

B     Arrange the numbers accordingly
        有条理地排列那些号码

C     Memorize the numbers one by one
        逐一熟记那些号码

D     Save the numbers in the computer
        把那些号码存入电脑

 
PYQ - Science 2010 Sec.A.Q30


Which of the following involves a lever principle?
以下哪项是与杠杆原理有直接关系的?

A    

B    

C    

D    

 

 
PYQ - Science 2010 Sec.B.Q1


Table 1 shows the average air pollution index in town X from the year 1994 to 2010.
表 1 显示城市 X 从 1994 年至 2010 年空气污染的平均指数。

Year
年份
1994 1998 2002 2006 2010
Average Air Pollution Index
空气污染的平均指数
32 76 100 130 260

Table 1 / 表 1

(a) State the relationship between the year and the average air pollution index in town X. [1 mark]
      写出城市 X 的空气污染的平均指数和年份之间的关系。[1 分]

________________________________________________________________________

(b) Predict the average air pollution index in the year 2004. [1 mark]
      预测 2004 年空气污染的平均指数。[1 分]

________________________________________________________________________

(c) State one reason(inference) for the change in the average air pollution index from the year 1994 to 2010. [1 mark]
      针对 1994 年至 2010 年空气污染的平均指数的改变,写出一个原因(推断)。[1 分]

________________________________________________________________________

Air pollution causes respiratory problems.
The number of people with respiratory problems are affected by the rate of air pollution.

空气污染导致呼吸道的问题。
空气污染程度影响呼吸道有问题的人的数量。

(d) State one relationship between the change in the rate of air pollution and the number of people with respiratory problem. [1 mark]
      写出空气污染程度的改变和呼吸道有问题的人的数量之间的一个关系。[1 分]

 
PYQ - Science 2010 Sec.B.Q2


Diagram 2 shows an investigation conducted by a group of pupils to study the volume of marbles.
图 2 显示一项由一组学生探讨玻璃弹珠体积的试验。

Diagram 2 / 图 2

The result of the investigation is shown in Table 2. 表 2 显示实验的结果。

Number of marbles
玻璃弹珠的数量
Volume of water in measuring cylinder(ml)
量筒里水的体积(ml)
10 20
15 30
25 50

Table 2 / 表 2

(a) What is the aim of the investigation? [1 mark]
      这项实验的目的是什么?

________________________________________________________________________

(b) State
      写出

    (i) what is kept the same (constant variable) in this investigation, [1 mark]
        在这项实验中必须保持不变的事项(固定性变数),[1 分]

    ________________________________________________________________________

    (ii) what is measured (responding variable) in this investigation. [1 mark]
         在这项实验中必须测量的事项(反应性变数)。[1 分]

    ________________________________________________________________________

(c) What conclusion can be made from the investigation? [1 mark]
      从这项实验中能作出什么结论?

________________________________________________________________________

 
PYQ - Science 2010 Sec.B.Q3


Diagram 3 shows a balloon being pumped air.
图 3 显示一个气球正泵入空气。

Diagram 3 / 图 3

Table 3 shows the change in the sizes of the balloon.
表 3 显示气球的大小的改变。

Table 3 / 表 3

(a) What is the trend of change in the sizes of the balloon as the number of pump increases. [1 mark]
      泵气的次数增加,气球大小的变化的形式是怎样的?[1 分]

_______________________________________________________________

(b) Predict the size of the balloon if the number of pumps is 3. [1 mark]
      如果泵气 3 次,预测气球的大小。[1 分]

_______________________________________________________________

(c) State one reason (interference) about the property of air based on the observation in this investigation. [1 mark]
      根据这项实验的观察,针对气体的特性,写出一个原因(推断)。[1 分]

_______________________________________________________________

(d) Write one observation to support the reason(inference) in 3(c). [1 mark]
      写出一个观察,以支持 3(c) 项的原因(推断)。[1 分]

_______________________________________________________________

 
PYQ - Science 2010 Sec.B.Q4


Table 4 shows the information gathered by a group of pupils during an Eclipse of the Moon.

表 4 显示由一组学生在月食时收集到的资料。

Table 4 / 表 4

(a) State two information gathered in this investigation. [2 marks]
      写出在这项实验中收集到的两个资料。[2 分]

1______________________________________________________

2______________________________________________________

(b) What conclusion can be made from this investigation? [1 mark]
      从这项实验中能作出什么结论?

_______________________________________________________

At 2.00am on the same day, the Moon cannot be seen.
在同一天的 2.00am 看不到月亮。

(c) Give one reason (inference) based on the statement above. [1 mark]
      根据上面的说明,写出一个原因(推断)。[1 分]

_______________________________________________________

 
PYQ - Science 2010 Sec.B.Q5


Diagram 5 shows an investigation about the time taken to plough paddy field using two different methods.
图 5 显示一项关于两种犁田的方法和其所需的时间的实验。

Diagram 5 / 图 5

(a) What is the aim of this investigation? [1 mark]
      这项实验的目的是什么?[1 分]

_______________________________________________________

(b) State
      写出

    (i) what is kept the same (manipulated variable) in this investigation, [1 mark]
        在这项实验中必须改变的事项(操纵性变数),[1 分]

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    (ii) what is measured (responding variable) in this investigation.[1 mark]
         在这项实验中必须测量的事项(反应性变数)。[1 分]

    ________________________________________________________________________

(c) State the relationship between the method of ploughing and the time taken. [1 mark]
      写出犁田的方法和七所需的时间之间的关系。[1 分]

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