Bahan KPS Sains Sekolah Rendah

BAHAN PECUT AKHIR SAINS UPSR 2015

PROGRAM PECUT UPSR SAINS
2015

MENGGAPAI A
SAINS -018

SIRI AKHIR

Bersama Cikgu Zazolnizam Zakaria
Guru Cemerlang Sains
ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

MUKA SURAT 1

BAHAN PECUT AKHIR SAINS UPSR 2015
1. Salmah carried out an investigation. She placed two models, P and Q near each other. Then
she switched on the fan with the same speed.
Salmah menjalankan satu penyiasatan. Dia meletakkan dua model P dan Q berdekatan antara
satu sama lain. Kemudian, dia memasang kipas dengan kelajuan yang sama.


P
Q
The time taken for both of the models to topple are recorded in table 1.
Masa yang diambil kedua-dua model jatuh direkodkan dalam jadual 1.
Model /
Model
P
Q

Time taken to topple (s)
Masa untuk tumbang
2
1
Table 1/ Jadual 1
a) What is the aim (purpose) of this investigation?
Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
b) State the trend of change in the time taken for the models to topple.

Nyatakan corak perubahan masa yang diambil untuk model-model itu tumbang.
______________________________________________________________________
The time taken to topple also depends on the base area of an object.
Masa untuk tumbang juga bergantung kepada luas tapak sesuatu objek.
c) State the relationship between the information gathered in the above statement.
Nyatakan satu hubungan di antara dua maklumat yang dikumpulkan berdasarkan
pernyataan di atas.
______________________________________________________________________
______________________________________________________________________
d) State one reason (inference) based on the observation on model Q.
Nyatakan satu sebab (inference) berdasarkan pemerhatian pada model Q.
______________________________________________________________________
______________________________________________________________________

ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

MUKA SURAT 2

BAHAN PECUT AKHIR SAINS UPSR 2015
2.


An experiment is carried to study about the basic needs of plants.
Satu peyiasatan dijalankan untuk mengkaji keperluan asas tumbuhan.
Black box
Kotak hitam

Plant A
Tumbuhan A

Plant B
Tumbuhan B

1. Two similar balsam plants are used.
Dua pokok keembung yang sama digunakan.
2. Plant A is left outside the classroom. Plant B is put inside a big black box.
Pokok A diletakkan di luar bilik darjah. Pokok B diletakkan di dalam kotak hitam yang besar.
3. Both plants are watered with the same amount of water daily.
Setiap pokok disiram dengan jumlah air yang sama setiap hari.
4. The plants are observed after one week.
Pokok-pokok keembung diperhatikan selama seminggu.


Observation / Pemerhatian
Plant A
:
Tumbuhan A :
Plant B
:
Tumbuhan B :
(a)

grows well
tumbuh dengan segar
leaves turn yellowish
Daun berubah kekuning-kuningan

State one reason (inference) based on the observation above.
Nyatakan satu inferens berdasarkan pemerhatian di atas.
______________________________________________________________________

(b)


______________________________________________________________________
State another observation to support the inference in 1(a).
Nyatakan satu pemerhatian bagi menyokong inferens di 1(a).
______________________________________________________________________

(c)

______________________________________________________________________
State one variable that is kept the same (constant) in this experiment.
Nyatakan satu pembolehubah yang dimalarkan dalam eksperimen ini.

(d)

______________________________________________________________________
What can you conclude from this experiment?
Apakah kesimpulan yang boleh kamu buat berdasarkan eksperimen ini?
______________________________________________________________________
______________________________________________________________________


ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

MUKA SURAT 3

BAHAN PECUT AKHIR SAINS UPSR 2015
3. In an experiment, a pupil uses several paper clips and a magnet. The observation is recorded
in the table below:
Dalam satu penyiasatan, seorang murid telah menggunakan beberapa klip kertas dan magnet.
Hasil pemerhatian dicatatkan seperti jadual di bawah.

Part of Magnet
Bahagian Magnet

Number of paper clips attracted.
Bilangan klip kertas yang ditarik.

Left end
Bahagian hujung kiri
Middle
Tengah

Right end
Bahagian hujung kanan

6
3
6
Table 2
Jadual 2

(a)

What is the aim (purpose) of the investigation?
Apakah tujuan penyiasatan ini?
____________________________________________________________________
____________________________________________________________________

(b)

State two information that are gathered in this investigation.
Nyatakan dua maklumat yang dikumpul dalam penyiasatan ini.

1. _______________________________________________________________
2. _______________________________________________________________

(c)

Make a suitable conclusion from this ex.periment
Buat satu kesimpulan yang sesuai dari eksperimen ini.
____________________________________________________________________
____________________________________________________________________

ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

MUKA SURAT 4

BAHAN PECUT AKHIR SAINS UPSR 2015
4. Syahmi carried out an investigation. He heated a beaker containing 250 cm³ of the water.
The temperature of the water was taken for every 2 minutes, until the 12th minute.
Table shows the results of the investigation.
Syahmi menjalankan satu penyiasatan. Dia memanaskan sebuah bikar yang mengandungi
250 cm³ air. Suhu air setiap 2 minit dicatatkan sehinggalah ke minit yang ke12 . Jadual di

bawah menunjukkan keputusan penyiasatan.
Time (min)
Masa (min)
Temperature of water (ºC)
Suhu air (ºC)

0

2

4

6

8

10

12


27

39

50

62

74

86

98

a) What is the aim (purpose) of this investigation?
Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
b) State two information gathered in this investigation.
Nyatakan dua maklumat yang dikumpulkan dalam penyiasatan ini.

________________________________________________________________________
________________________________________________________________________
c) What conclusion can be made from this investigation?
Apakah kesimpulan yang boleh dibuat daripada penyiasatan ini?
_________________________________________________________________________
_________________________________________________________________________
d) Predict the water temperature at the 15th minute.
Ramalkan suhu air pada minit ke lima belas.
_________________________________________________________________________
_________________________________________________________________________

ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

MUKA SURAT 5

BAHAN PECUT AKHIR SAINS UPSR 2015
5. Diagram below shows the shadow of a wooden ruler under bright sunlight.
Rajah di bawah menunjukkan bayang pembaris kayu di bawah sinaran matahari.

The following table shows the length of the shadows for every one hour.
Jadual berikut menunjukkan panjang bayang tersebut setiap satu jam.
Time
Waktu
The length of the shadow (cm)
Panjang Bayang

a)

8.00 am

9.00 am

50 cm

40 cm

10.00
am

11.00
am

30 cm

20 cm

What is the trend of change of the length of the shadows from 8.00 am till 11.00
am?
Apakah corak panjang bayang dari pukul 8.00 pagi hingga 11.00 pagi

______________________________________________________________________
b)

Predict the length of the shadow at 12.00 noon.
Ramalkan panjang bayang pada pukul 12.00 tengahari.

______________________________________________________________________
______________________________________________________________________
c)

In this fair test (experiment),
Dalam eksperimen ini,
i)

What is kept the same (constant variable)?
Apa yang dimalarkan (Pembolehubah malar)?
_______________________________________________________________

ii) What is measured (responding variable)?
Apa yang diukur (pembolehubah bergerakbalas)?
_______________________________________________________________
D

Predict the length of the shadow at 3.00 pm.
Ramalkan panjang bayang pada pukul 3.00 petang

_______________________________________________________________

ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

MUKA SURAT 6

BAHAN PECUT AKHIR SAINS UPSR 2015
6.

A worker is shifting some bricks from the ground level to the upper level as shown
in the diagram.
Seorang pekerja sedang memindahkan sejumlah batu-bata dari permukaan tanah
ke tingkat atas seperti yang ditunjukkan dalam rajah 1

The table below shows the number of bricks that has been shifted.
Jadual di bawah menunjukkan bilangan batu-bata yang telah dipindahkan.
Number of times the bricks are been shifted
Bilangan kali batu-bata telah dipindahkan
Number of bricks
Bilangan batu-bata
(a)

1

2

3

4

15

30

45

60

State the trend of change in the number of bricks that have been shifted by the
worker.
Nyatakan corak perubahan dalam bilangan batu-bata yang telah dipindahkan oleh
pekerja itu.
....................................................................................................................................

(b)

Predict the total number of bricks that had been shifted at the fifth time.
Ramalkan jumlah bilangan batu-bata yang telah dibawa pada kali kelima.
....................................................................................................................................

(c)

(d)

State two information gathered in the investigation
Nyatakan dua maklumat yang dikumpulkan di dalam penyiasatan ini.
1.

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

2.

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

State one variable that is kept the same (constant) in this investigation.
Nyatakan satu pembolehubah yang dimalarkan dalam penyiasatan ini.
....................................................................................................................................

ZAZOLNIZAM BIN ZAKARIA – GURU CEMERLANG SAINS

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