Ujian Percubaan _BHG A_ - SJKC

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[Lihat Sebelah

028 © 2009 Hak Cipta Jabatan Pelajaran Sarawak SULIT

JABATAN PELAJARAN SARAWAK

UJIAN PERCUBAAN UPSR 2009 Ujian Pra 2

SCIENCE 028

JULAI

11

4 jam Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini adalah dalam dwibahasa.

2. Soalan dalam Bahasa Inggeris mendahului soalan-soalan yang sepadan

dalam Bahasa Cina.

3. Kertas soalan ini mengandungi dua bahagian: Bahagian A dan

Bahagian B.

4. Kamu dikehendaki menjawab semua soalan dalam kedua-dua bahagian.

5. Ceraikan Bahagian B dari kertas soalan ini.

Kertas soalan ini mengandungi 24 halaman bercetak di Bahagian A dan 10 halaman bercetak di bahagian B

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028 2009 © Hak Cipta Jabatan Pelajaran Sarawak [Lihat sebelah

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Section A

A组组组组 [30 marks]

[30 分] Answer all the questions

回答所有所有所有所有问题

1 Diagram 1 shows two types of animals.

图 1 显示两种动物。

Diagram 1

图 1 What special characteristic do these animals have to protect themselves from enemies?

以上的动物拥有哪些自卫的外形特征？ A Hard shell

硬壳 B Hard scales

坚硬的鳞片 C Thick layer of fat

厚脂肪 D Poisonous sting

毒刺

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2 Q, R, S and T are four different types of fruits.

Q, R, S 和 T 是四种不同的果实。

Q

R

S

T

Diagram 2

图 2 Which of the followings are the correct ways of seed dispersion?

以下哪些传播种子的方法是正确的？

Fruits

果实

Ways of dispersion

传播方法

I Q Animal

动物

II R Water

水力

III S Wind

风力

IV T Explosive mechanism

自动爆裂

A I and II

I 和 II

B I and III

I 和 III

C II and III

II 和 III

D I and IV

I 和 IV

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3 Diagram 3 shows a food web.

图 3 显示一个食物网。

Diagram 3

图 3 Which of the following might happen if the number of eagles decrease?

如果老鹰的数量减少，将会出现以下哪种情况？

A The number of grasshoppers increase

蚱蜢的数量增加 B The number of sparrows decrease

麻雀的数量减少。 C The number of caterpillars increase

毛虫的数量增加 D The grasses grow very well

青草长得很好。

Grass

草

Grasshopper

蚱蜢 Caterpillar

毛虫

Eagle

老鹰 Sparrow

麻雀

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4. Diagram 4 shows an investigation carried out by a group of pupils.

图 4 显示一群学生所进行的一项实验。

Diagram 4

图 4 What conclusion can be made from the investigation?

从这项实验中可作出什么结论？

J The roots respond to gravity

根对地心引力有反应。 K The shoots respond to water

胚芽对水分有反应。 L The shoots respond to sunlight

胚芽对太阳有反应。

A J only

J 而已 B J and L

J 和 L C K and L

K 和 L D J and K

J 和 K 5 Which of the animals below is an omnivore?

以下哪一只是杂食动物？ A

B

C

D

一星期后

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6 Diagram 5 below shows the Sun, the Moon and the Earth.

图 5 显示太阳、月球和地球。 Earth Sun Moon

地球太阳月球 Diagram 5

图 5 If a marble is used to represent the size of the Earth, which of the following can be used to represent the size of the Moon?

如果玻璃弹珠代表地球的体积，以下哪一个可代表月球的体积? A football

足球 B tennis ball

网球 C sago grain

硕莪米

D egg

蛋

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7 . Diagram 6 shows a situation.

图 6 显示一个情况。

Diagram 6

图 6 Why do the animals shown above fight with each other?

为什么以上的动物互相打斗？ A They compete for mate.

它们竞争配偶。 B They have limited food resources

它们的食物来源有限 C They have limited water resources

它们的水源有限 D They want to defend their territory

它们为了保卫自己的地盘

Female deer

雌鹿

Male deer

雄鹿

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Diagram 7

图 7

What are X, Y and Z?

X, Y 和 Z 代表什么?。

X Y Z

A Snake

蛇

Eagle

老鹰

Grasshopper

蚱蜢

B Eagle

老鹰

Snake

蛇

Grasshopper

蚱蜢

C Grasshopper

蚱蜢

Snake

蛇

Eagle

老鹰

D Snake

蛇

Grasshopper

蚱蜢

Eagle

老鹰

9 A cuboid has a volume of 24 cm3. Which of the following are the length,

width and height of the cuboid?

一个长方体的体积是 24 cm3。以下哪一项是长方体的长度、宽度和高度？

Length

长度 Width

宽度 Height

高度 A 3 cm 3 cm 3 cm

B 4 cm 3 cm 2 cm

C 4 cm 3 cm 3 cm

D 5 cm 2 cm 4 cm

X

Z Y

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10 Table 1 shows the distance run by four runners, P, Q, R and S

表 1 显示参赛者 P、Q、R 和 S 赛跑的距离。

Table 1

表 1

Which of the following statements is true about the runners?

以下哪一项有关参赛者的资料是正确的? A P is faster than R

P 比 R 快 B Q has the same speed with S

Q 和 S 一样快 C R is faster than P

R 比 P 快 D Q is slower than P

Q 比 P 慢 11 Abu tries to seperate the following items using a magnet. Which of the

following activities is NOT correct?

阿布尝试应用一个磁铁来分开以下的物体。以下哪项的活动是不正确的？

A separating nails from the sand

将铁钉和沙分开 B separating needle from the flour

将针和面粉分开 C separating green beans from the thumb tacks

将绿豆和图钉分开 D separating ground nuts from the sugar

将花生和糖分开

Runner

参赛者

Distance (km)

距离 (公里) Time (minute)

时间 (分钟)

P Q R S

6 12 8 10

50 50 50 50

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12 A ball is released from the top of an incline plane and rolled on different types of surfaces for 30 seconds as shown in diagram 8.

从斜面上滑下一个球, 使它在不同的表面上滚动三十秒如图 8 所显示。

Diagram 8

图 8

Type of surface

表面的种类 Distance travelled ( m )

所移动的距离 (m)

Tile floor

地砖 5

Towel

毛巾 1

Sand paper

砂纸 3

What can you conclude from the investigation above?

从以上的实验，你可作出什么结论？ A The towel has greater friction than the sand paper

毛巾的摩擦力比砂纸大 B The sand paper has less friction than the tile floor

砂纸的摩擦力比地砖的小 C The tile floor has greater friction than the towel

地砖的摩擦力比毛巾的大 D The towel has less friction compared to the sand paper

毛巾的摩擦力比砂纸的小

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13 Diagram 9 shows a tool.

图 9 显示一个工具。

Diagram Diagram 9

图 9

Which of the following principles of simple machines are found in the tool?

以上工具应用了哪些简单机械原理？ I Lever

杠杆

II Wedge

尖劈 III Inclined plane

斜面

IV Wheel and axle

轮轴 A I and II

I 和 II B II and IV

II 和 IV C I and III

I 和 III D III and IV

III 和 IV

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Accident Prone Area

易易易易发发发发生生生生车车车车祸祸祸祸处处处处

14 Diagram 10 shows a sharp bend. Accidents frequently happen in that area.

图 10 显示一个转弯处。那个地区时常发生车祸。

Diagram 10

图 10 Which of the following is the best way to avoid accidents?

以下哪一项防止车祸的方法最有效？

A. Build a bridge.

建桥 B. Build a traffic light.

设立交通灯 C. Place a big mirror at the road side.

在路边置放凸面镜 D. Place a bigger sign board.

置放较大的告示牌

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15 Table 2 below shows the temperature of water over a period of time.

表 2 显示水在一段时间后的温度。

Time / minute

时间/分钟 0 2 4 6 8

Water temperature/0C

水的温度/ 0C 60 56 50 42 32

Table 2

表 2 What conclusion can be made based on the information given?

根据以上的资料，你可作出什么结论? A. The water is boiling

水沸腾了 B The water is being heated

水正在受热 C The water is being cooled

水正在散热 D The water has reached room temperature

水达到室内温度

16 Which of the following activities only involve pulling force?

以下哪项活动只涉及拉力？

I II

III IV A I and III

I 和 III B II and III

II 和 III C I and IV

I 和 IV D III and IV

III 和 IV

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17 Diagram 11 shows a translucent material.

图 11 显示一个半透明体。

Diagram 11

图 11

Which statement explains the above material?

以下哪一项的说明符合以上的物体? A Material that does not allow light to pass through

不让光线透过的物体 B Material that allows all the light to pass through

让全部光线透过的物体 C Material that allows some light to pass through

让一部分光线透过的物体 D Material that can reflect light

能反射光线的物体

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18. Diagram 12 shows the changes in state of matter.

图 12 显示某种物体的形态变化。

Diagram 12

图 12

What are processes X and Y?

X 和 Y 显示了什么过程?

X Y

A Evaporation

蒸发

Boiling

沸腾

B Condensation

凝聚

Evaporation

蒸发

C Melting

溶化

Freezing

凝固

D Evaporation

蒸发

Condensation

凝聚

Water

水

Water vapour

水蒸气

X

Y

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19 A piece of red and blue litmus paper are dipped into substance X. Diagrams 13 shows the changes of the litmus papers.

红色和蓝色石蕊试纸被被放置入物质 X。图 13 显示石蕊试纸的反应。

Diagram 13

图 13 What is the chemical property of the substance above?

以上物质的化学性质是什么? A Acidic

酸性 B Alkaline

碱性

C Neutral

中性

D Sour

酸味 20

Diagram 14

图14 What is the best method used to prevent the canned food from rusting?

罐头食品最适合用哪种方法来防锈？ A Painting the cans

油上漆 B Applying oil on the cans

在罐子表面涂上一层油 C Plating the cans with tin

在罐子表面镀上锡

D Wrapping the cans with plastic

用塑料包裹罐子

红色石蕊试纸蓝色石蕊试纸

红红

Blue litmus paper

Red litmus paper

Red Red

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21 Diagram 15 shows spoilt milk.

图 15 显示变质的牛奶。

Diagram 15

图 15 How do you know the milk is spoilt?

你如何得知牛奶变质了? I It tastes sweet

它有甜味 II It becomes curds

它变硬块状 III Unpleasant smell

难闻的味道 A I only

I 而已 B II and III

II 和 III C I and III

I 和 III D I, II and III

I, II 和 III

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22 Which of the following can be done for pickling cucumber?

以下哪些步骤可以用来腌渍黄瓜？ I Soak in vinegar

浸在醋里 II Mix with soya sauce

和酱油混合

III Mix with food colouring

和色素混合 IV Slice the cucumber into small pieces

把黄瓜切成细片 A I and II

I 和 II B II and III

II 和 III C III and IV

III 和 IV D I and IV

I 和 IV

23 A gardener is facing a shortage of fertilizer for his vegetables.

一位农夫正面对肥料短缺的问题。 . Which of the following can overcome his problem?

以下哪种方法可以解决他所面对的问题？ A Use food leftovers to make compost

使用食物的渣滓来制作肥料 B Use sewage to water his vegetables

使用排泄物来浇菜 C Dispose all the household waste in his garden

把家里所有的废物都丢弃在菜园里 D Burn the dead leaves and branches to make fertilizer

燃烧枯叶和树枝以制成肥料

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24 Diagram 16 shows an inflated balloon place under the sun. After two hours the balloon burst.

图 16 显示一个充了气的气球被置放在太阳底下。两个小时后，气球爆裂了。

Diagram 16

图 16

What can be done to make the inflated balloon last longer?

如何使气球较慢爆裂？ A blow the balloon to an average size

把气球充气至中等体积 B blow the balloon to the maximum size

把气球充气至最大的体积 C use a thick thread to tie the balloon

使用一条粗线绑住气球 D use a short thread to hang the balloon

使用一条短线吊起气球

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25 Diagram 17 shows the eclipse of the Sun.

图 17 显示日食。 Diagram 17

图 17 Which of the following statements related to the phenomena above?

以下哪项说明和以上的自然现象有关？ I The Earth is sphere in shape

地球是球体状

II Light travels in a straight line

光线以直线传播 III The moon is an opaque object

月球是一个不透明体 IV The moon reflects light.

月球反射光 A I and II

I 和 II B II and III

II 和 III C III and IV

III 和 IV D I and IV

I 和 IV

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26 Diagram 18 shows the development of technology in the field of agriculture.

图 18 显示农业领域的进展。

Diagram 18

图 18

Which of the following shows the correct sequence?

以下哪项显示正确的排列？

A Q, R, P

B Q, P, R

C R, Q, P

D P, R, Q

P

Q R

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27 Diagram 19 shows four glasses with different base area.

图 19 显示四个不同底部面积的杯子。

Diagram 19

图 19

Which of these statements is true?

以下哪项说明是正确的?

A glass J is more stable than glass K

杯 J 比杯 K 稳固 B glass K is less stable than glass J

杯 K 比杯 J 不稳固 C glass L is less stable than glass M

杯 L 比杯 M 不稳固 D glass M is more stable than glass J

杯 M 比杯 J 稳固

J K L M

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28 Diagram 20 shows a fan.

图 20 显示一个电风扇。

Diagram 20

图 20 Which transformation of energy is correct?

以下哪项能的转换是正确的？ A Kinetic electrical sound

动能电能声能

B Electrical sound kinetic

电能声能动能

C Chemical kinetic sound

化学能动能声能

D Electrical kinetic sound

电能动能声能

29. Diagram 21 shows three types of constellation.

图 21 显示三种星座。

P Q R Diagram 21

图 21 What are constellation P, Q and R?

P、 Q和 R是什么星座 ? P Q R

A Orion

猎户座

Big dipper

北斗七星

Scorpion

天蝎座

B Big dipper

北斗七星

Scorpion

天蝎座

Orion

猎户座

C Scorpion

天蝎座

Orion

猎户座

Big dipper

北斗七星

D Scorpion

天蝎座

Big dipper

北斗七星

Orion

猎户座

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30 Diagram 22 shows a device that can help humans to overcome their limitation.

图 22 显示一种协助克服人类极限的工具。

Diagram 22

图 22

The device above is mainly … used by

以上的工具由...................使用。 A doctors

医生 B farmers

农夫 C scientists

科学家 D teachers

教师

END OF SECTION A

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Ujian Percubaan _BHG A_ - SJKC