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Program Cemerlang USMName: ----------------------------- Date: ------------------------------

-----Science UPSR 2010--------

1 An investigation was carried out to determine the relationship between sources of food andthe number of consumers. The study involved mice and eagles in the paddy field. The studytook five weeks.Satu penyiasatan telah dijalankan untuk mengenalpasti hubungan diantara sumber makanan dan jumlah pengguna. Kajian ini melibatkan tikus dan burung helang di kawasansawah padi. Kajian ini mengambil masa selama lima minggu.

Diagram 1Rajah 1

The observations were recorded in the table below.Pemerhatian tersebut telah direkodkan seperti jadual dibawah.

WeekMinggu

1 2 3 4 5

Number of miceBilangan tikus .

30 24 18 14 10

Number of eaglesBilangan burung helang.

8 10 12 9 6

a. State the aim (purpose) of the investigation.Nyatakan tujuan penyiasatan

________________________________________________________________

________________________________________________________________

[ 1 mark /1 markah]b. What is the trend of change in the number of eagles ?

Apakah corak bilangan burung helang ?

_________________________________________________________________

[ 1 mark /1 markah]c. Give reason (inference) base on the observation of the number of mice?

Nyatakan inferens berdasarkan pemerhatian bilangan tikus ?

__________________________________________________________________

__________________________________________________________________

[ 1 mark /1 markah]

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d. Predict the number of Ramalkan bilangan bu

__________________

e. State the relationship __________________

___________________

2 Diagram 2 showns an ele

S, with the length of 5 c

is observed.Rajah 2 menunjukkan se

Dua objek R dan S deng

bergilir-gilir. Keadaan me

The result of the investi

Keputusan daripada pe

Types of object

Jenis objek

R

S

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eagles after the 5 th week.rung helang selepas lima minggu.

___________________________________

etween number of eagle and number of mic ___________________________________

__________________________________

tric circuit that has been set by a pupil. Two

each are connected alternately. The conditi

uah litar elektrik yang telah dipasang oleh s

n penjang 5 cm setiap satu telah disambun

ntol diperhatikan.

Diagram 2 / Rajah 2

ation is as follow :

yiasatan adalah seperti berikut :

The condition of the bulb

Keadaan mentol

The Bulb does not light up

Mentol tidak menyala

The bulb lights up

Mentol menyala

Table 1Jadual 1

___________ [ 1 mark /1 markah]

e. __________

__________ [ 1 mark /1 markah]

object R and

on of the bulb

eorang murid.

kan secara

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(a) What is the purpose (aim) of the investigation?

Apakah tujuan penyiasatan ini?

__________________________________________________________________

__________________________________________________________________

[ 1 mark /1 markah]

(b) State a reason (inference) for the condition of the bulb when object R is connected

to the circuit.

Nyatakan inferens terhadap keadaan mentol apabila objek R disambung kepada

litar elektrik.

___________________________________________________________________

___________________________________________________________________

[ 1 mark /1 markah]

(c) From the investigation, state the following.(i) What is changed (manipulated variable),

pembolehubah dimanipulasikan,

________________________________________________________________

[ 1 mark /1 markah]

(ii) What is observed (responding variable).

pembolehubah bergerak balas.

________________________________________________________________ [ 1 mark /1 markah]

(d) State one relationship (hypothesis) between what is change

(manipulated) and the what is observed (responding) , that can be made in

this investigation.

Nyatakan satu hubungan ( hipotesis ) antara pembolehubah yang dimanipulasikan

dengan pembolehubah bergerak balas, yang boleh dibuat dalam penyiasatan ini.

___________________________________________________________________

___________________________________________________________________

[ 1 mark /1 markah]

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Diagram 3/ Rajah 3 3 Two ice cubes of different sizes are put into two beakers P and Q as shown in Diagram

The temperature of water in beaker P and Q is recorded in Table 2 below.

Dua kiub ais yang berlainan saiz dimasukkan kedalam dua bikar P dan Q seperti Rajah

Suhu air bagi bikar P dan Q dicatatkan dalam Jadual 2 di bawah.

Beaker

Bikar

Size of ice cube (cm 3)

Saiz kiub ais (cm 3)

Temperature of water after ice melt ( C)

Suhu selepas ais melebur( C)

P 100 15

Q 50 25

Table 2

Jadual 2

(a) What is the purpose (aim) of the investigation?

Apakah tujuan eksperimen ini?

___________________________________________________________________

[ 1 mark /1 markah]

(b) State :Nyatakan:

(i) What is changed (manipulated variable)

Pembolehubah dimanipulasikan

_________________________________________________________________

[ 1 mark /1 markah]

(ii) What is observed ( responed variable)Pembolehubah bergerak balas

________________________________________________________________

[ 1 mark /1 markah]

(iii) What is kept the same ( constant variable)

Pembolehubah dimalarkan

__ ________________________________________________________________

[ 1 mark /1 markah]

Ais kiub

Air

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4 Diagram 4 shows an i

Rajah 2 menunjukkan

(a) What is the purpose (

Apakah tujuan penyia

_________________

(b) State

Nyatakan

i. what is change

Pembolehubah

____________

ii. what is observPembolehubah

____________

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vestigation carried out by a group of pupils.

satu penyiasatan yang dijalankan oleh seku

Diagram 4 / Rajah 4

im) of this investigation?

atan ini ?

___________________________________

d ( manipulated variable).

dimanipulasikan .

___________________________________

d ( responding variable).bergerak balas.

___________________________________

Observation:1. Model X falls bef

Y and Z

odel X jatuh lebdaripada Y dan Z

2. Model Y falls ealimodel Z.

odel Y atuh lebi

pulan pelajar.

___________

[ 1 mark /1 markah]

____________

[ 1 mark /1 markah]

____________

[ 1 mark /1 markah]

r e models

h awal

r than

h awal

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(c) State the relationship ( hypothesis) between what is changed

( manipulated) and what is observed ( responding).

Nyatakan hubungan ( hipotesis) antara pembolehubah dimanipulasi dan pembolehubah

bergerak balas.

________________________________________________________________

________________________________________________________________

[ 1 mark /1 markah]

(d) In this investigation, what must be kept the same ( constant)?

Dalam penyiasatan ini, apakah pembolehubah dimalarkan?

________________________________________________________________

[ 1 mark /1 markah]

(e) What can you conclude from this investigation?

Apakah kesimpulan yang boleh kamu buat berdasarkan penyiasatan ini?

________________________________________________________________

________________________________________________________________

[ 1 mark /1 markah]