Bhg B Pra UPSR_aliran SJKC

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SULIT

NO. KAD PENGENALAN/

NO. SIJIL KELAHIRAN

UJIAN PRA 1 UPSR SCIENCEMac 2011

Bahagian B

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1 Tulis nombor kad pengenalan atau nombor

sijil kelahiran dan angka giliran kamupada petak-petak yang disediakan.

Untuk Kegunaan Pemeriksa

Kod Pemeriksa :

Soalan MarkahPenuh

MarkahDiperoleh

2 Jawapan kamu hendaklah ditulis pada ruangyang disediakan dalam kertas soalan ini. 1 4

2 4

3 4

3 Kamu dibenarkan menjawab keseluruhanatau sebahagian soalan sama ada dalam

bahasa Inggeris atau bahasa Cina.

4 4

5 4

Jumlah [20]

[Lihat halaman sebelah

028 © 2011 Hak Cipta Jabatan Pelajaran Sarawak SULIT

ANGKA GILIRAN

028

JABATAN PELAJARAN SARAWAK



1(a)

1(b)

SULIT 2 028

Kertas soalan ini mengandungi 10 halaman bercetak.

1 Diagram 1 shows two orchards of the same size.

图 1 显示两个面积相同的果园。

Diagram 1

图 1

Table 1

图表1

(a) Give a reason (inference) based on the observation above. 根据以上的观察，写出一个原因（推断）。

…………………………………………………………………………………………………

…………………………………………………………………………………………………

[1mark]

[1分]

(b) State an observation to support your reason (inference) in 1(a)

写出一个观察来支持你在

1(a)的原因。

…………………………………………………………………………………………………

…………………………………………………………………………………………………

[1mark]

[1分]

(c) State:


Orchard果园

Average fruit produced per tree每棵果树的果实的平均数量

P 100

Q 50

Orchard P

果园 P

10m 10m

Orchard Q

果园 Q

5m 5m

KegunaanPemeriksa

KeguPeme

1

1



egunaanmeriksa

1(c)(i)

1

1(c)(ii)

Tota

A1

4

SULIT 3 028

写出:

(i) what is changed (manipulated variable) in this investigation. 实验中必须改变的事项（反应性的变数）

……………………………………………………………………………………………

[1mark][1分]

(ii) what is measured (responding variable) in this investigation.

实验中必须测量的事项（反应性变数）

……………………………………………………………………………………………

[1mark][1分]

2 Diagram 2 shows the arrangement of bulbs in two different circuits.

图 2显示灯泡在两个不同电路中的排列。





2(a)

1

2(b)(i)

1

2(c)

2(b)(i

SULIT 4 028

Circuit R Circuit S

电路 R 电路 S

Diagram 2

图 2

Observation: Bulbs in Circuit S are brighter than bulbs in Circuit R. 观察结果：电路Ｓ的灯泡比电路Ｒ的灯泡亮。

(a) What is the purpose (aim) of the investigation? 这个实验的目的是什么？

…………………………………………………………………………………………………

…………………………………………………………………………………………………[1mark]

[1分

](b) State:

写出:

(i) what is changed (manipulated variable) in the investigation.

实验中必须改变的事项（操纵性变数）

……………………………………………………………………………………………

[1mark]

[1分]

(ii) what is measured (responding variable) in the investigation.实验中必须测量的事项（反应性变数）

……………………………………………………………………………………………

[1mark]

[1分]

(c) What conclusion can be made from the investigation?


KeguPeme



KegunaanPemeriksa

SULIT 5 028

这个实验的结论是什么？………………………………………………………………………………………………..

[1mark]

[1分]

3 Nadira used blue and red litmus paper to test three types of substances.

The result of the investigation is shown in table 2. 娜蒂拉用蓝色和红色石蕊试纸来测试三种物质。表 2显示实验结果。



Tota

A2

4



KegunPemer

3(a)

1

SULIT 6 028

Substances物质

Effect on litmus paper

石蕊试纸的反应Red litmus paper

红色石蕊试纸

Blue litmus paper

蓝色石蕊试纸

Bitter gourd juice

苦瓜汁

Biru

蓝

Blue

蓝Pineapple juice

凤梨汁

Red

红

Red

红Orange jus

橙汁

Red

红

Red

红Table 2

表 2(a) What is the purpose (aim) of the investigation? 这个实验的目的是什么？

………………………………………………………………………………………………

………………………………………………………………………………………………

[1mark]

[1分]

(b) State two information gathered from the investigation. 写出这项实验的两项资料。

………………………………………………………………………………………………

………………………………………………………………………………………………

[2marks]

[2分]

(c) What conclusion can be made from the investigation? 这个实验的结论是什么？………………………………………………………………………………………………

………………………………………………………………………………………………

[1 mark][1分]


Bitter gourd juice苦瓜汁

Pineapple juice凤梨汁

Orange juice橙汁

3(b)

2

3(c)

1



KegunaanPemeriksa Total

A3

4

SULIT 7 028

4 A group of pupils investigated the length of the shadow of the post from 9.00 am to 3.00 pm.

一群学生研究从早上9.00至下午3.00的影子长度的变化。

Diagram 3



9.00 am 10.00

11.00am

12.00p

1.00pm

2.00pm3.00 pm

Post

柱子



Kegunn

Total

A4

4

4(c)

4(a)

4(b)

SULIT 8 028

图 3

(a) State two information gathered in the investigation. 写出实验中的两项资料。

i ..........................................................................................................................................

ii ..........................................................................................................................................[2 marks]

[2 分]

(b) What is the trend (pattern) of change in the length of shadow?

影子的长度的变化形式是怎样的？

……………………………………………………………………………………………..

[1 mark]

[1分]

(c) Predict the length of shadow at 4.00 pm. 预测下午四时正的影子长度。

...............................................................................................................................................

[1 mark]

[1分]

5 Diagram 4 shows an investigation carried out by a student. Different number of similar

straws are used to hang load that of same mass.

图 4 显示一个学生进行的实验。不同数量的相同种类的吸管被用来挂两个相同质量

的重物。

The result is recorded in the table below.下表显示实验结果


Diagram 4图 4

Straw

吸管

Wooden block

木块

Load(20g)

重物(20g)

Load (20g)

重物(20g)

1

2

1

1



Kegunaan

5(a)(i)

5(a)(i

5(c)

1

5(b)

1

SULIT 9 028

Number of straws

吸管的数量Time taken for the straws to bend (second)

吸管弯曲的时间1 2

2 4

(a) State: 写出:

(i) what is measured (responding variable) in this investigation.实验中必须改变的事项（操纵性变数）

……………………………………………………………………………………………

[1mark][1分]

(ii) what is kept the same (constant variable) in this investigation.

实验中必须固定的事项（固定性变数）

……………………………………………………………………………………………

[1mark]

[1分]

(b) Predict what will happen if 2 more straws added to hang load. 如果多用两根吸水管来挂重物,试预测观察结果。

…………………………………………………………………………………………………[1 mark]

[1分]

(c) State one relationship between the two information gathered in the above statement. 根据上述说明，写出所收集的两项资料之间的关系。

.....................................................................................................................................................

.....................................................................................................................................................

[1 mark][1分]

END OF SECTION B

B部分结束



The strength of a structure is affected by the type of materials used.

物体的稳固性受到其材料的种类所影响。

Total

A5

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Bhg B Pra UPSR_aliran SJKC