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1.1 INTERACTION AMONG LIVING THINGS (ARAS MUDAH)
1. Table below shows the number of elephants in a rehabilation centre.
Jadual di bawah menunjukkan bilangan gajah di sebuah pusat pemuliharaan.
Year
Tahun
2004 2006 2008 2010
Number of elephants
Bi langan gajah
12 16 22 30
Table /Jadual
(a) What is the trend of change in the number of elephants in the rehabilation centre from
the year 2004 to the year 2010?
Apakah corak perubahan bilangan gajah di pusat pemuliharaan itu dari tahun 2004
hingga 2010?
______________________________________________________________________
[1 mark/1 markah]
(b) Give one reason (inference) for the trend that you have stated in (a).
Berikan satusebab (inferens) bagi corak perubahan seperti yang kamu nyatakan di (a).
______________________________________________________________________
[1 mark/1 markah]
(c) Predict the number of the elephants in the rehabilation centre in the year 2011.
Ramalkan bilangan gajah di pusat pemuliharaan itu pada tahun 2011.
______________________________________________________________________
[1 mark/1 markah]
(d) What conclusion can be made from this investigation?
Apakah kesimpulan yang dapat dibuat daripada penyiasatan ini?
______________________________________________________________________
[1 mark/1 markah]
1.2 INTERACTION AMONG LIVING THINGS (ARAS SEDERHANA)
2. A group of pupils gathered some information about the extinction of animal species in a
particular area.
Sekumpulan murid mengumpulkan maklumat tentang kepupusan spesies haiwan disuatu kawasan.
Year
Tahun
Number of extinct animal species
Bi langan spesies haiwan yang pupus
1850 20
1900 35
1950 55
2000 80
(a) What is the trend of change in the number of extinct animal species?
Apakah corak perubahan bilangan spesies haiwan yang pupus?
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_____________________________________________________________________
[1 mark/1 markah]
(b) State two reasons (inference) to explain why the number of extinct animals in the year
2000 is the highest.
Nyatakan duasebab (inferens) untuk menerangkan mengapa bilangan haiwan yang
pupus pada tahun 2000 adalah paling tinggi.i. _____________________________________________________________________
ii._____________________________________________________________________
[2 mark/2 markah]
(c) Predict the number of animal species that will be extinct in the year 2050.
Ramalkan bilangan spesies haiwan yang akan pupus pada tahun 2050.
_____________________________________________________________________
[1 mark/1 markah]
(d) What conclusion can be made from this investigation?
Apakah kesimpulan yang dapat dibuat daripada penyiasatan ini?_____________________________________________________________________
[1 mark/1 markah]
1.3 INTERACTION AMONG LIVING THINGS (ARAS SUKAR)
3. In an investigation, Aiman and his group examined the quality of water from different
sources. They put the water in three containers as follows.
Dalam suatu penyiasatan, Aiman dan kumpulannya menguji kualiti air daripada
sumber yang berlainan. Mereka mengisi air itu dalam tiga bekas yang berlainan.
Then, Aiman put 12 tadpoles into each container. Table below shows the result after
one week.
Kemudian, Aiman mengisi 12 ekor berudu dalam setiap bekas. Jadual di bawah
menunjukkan keputusan penyiasatan selepas seminggu.
TABLE /JADUAL
(a) Give one reason (inference) to explain why all the tadpoles in container X died.Berikan satusebab (inferens) untuk menerangkan mengapa semua berudu dalam bekas
X mati.
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______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(b) Based on the investigation, state...
Berdasarkan penyiasatan ini, nyatakan...
i. what is changed (manipulated variable),
apakah yang diubah (pemboleh ubah dimanipulasikan),
_______________________________________________________________
ii. what is observed (responding variable).
apakah yang diperhatikan (pemboleh ubah bergerak balas).
_______________________________________________________________
[2 marks/markah]
(c) What conclusion can you draw based on the investigation?
Apakah kesimpulan yang dapat kamu buat berdasarkan penyiasatan ini?______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
2.1 FORCE(ARAS MUDAH)
1. A group of pupils carried out an investigation as shown in the diagram below. Some oil
was applied at the bottom of wooden block Q. The distances moved by the wooden
blocks when the cardboard was lift up were measured.
Sekumpulan murid menjalankan penyiasatan seperti yang ditunjukkan pada rajah dibawah. Sedikit minyak disapukan pada bahagian bawah bongkah kayu Q. Jarak yang
dilalui oleh bongkah kayu apabila kadbod diangkat diukur.
Diagram /Rajah
The table below shows the results of the investigation.
Jadual di bawah menunjukkan keputusan penyiasatan.
Table /Jadual
(a) In this investigation, state...
dalam penyiasatan ini, nyatakan...
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i. what is changed (manipulated variable).
apa yang diubah (pemboleh ubah dimanipulasi).
__________________________________________________________________
[1 mark /1 markah]
ii. what is measured (responding variable).
apa yang diukur (pemboleh ubah bergerak balas).
_____________________________________________________________________[1 mark /1 markah]
(b) State what must be kept the same (constant variable) in this investigation.
Nyatakan apa yang mesti ditetapkan (pemboleh ubah dimalarkan) dalam penyiasatan
ini.
1. ____________________________________________________________________
2. ____________________________________________________________________
[2 marks /2 markah]
2.2 FORCE
(ARAS SEDERHANA)
2. Ali carried out an investigation to study friction. He rolled a marble on three different
surfaces.
Ali menjalankan suatu penyiasatan tentang daya geseran. Dia menggolekkan sebiji guli
di atas permukaan yang berbeza.
Ali recorded his observations as shown in the table below.
Ali mencatatkan pemerhatian seperti pada jadual di bawah.
Table /Jadual
(a) What is the relationship between the type of surface and the distance moved by the
marble?
Apakah hubungan antara jenis permukaan dengan jarak guli bergerak?
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(b) Give one reason (inference) to explain why the marble moves the farthest on the glass
surface.
Berikan satusebab (inferens) untuk menerangkan mengapa guli bergolek paling jauh
di atas permukaan kaca.
______________________________________________________________________
[1 mark/1 markah]
(c) State what is changed (manipulated variable).
Nyatakan apa yang diubah (pemboleh ubah bergerak balas).
______________________________________________________________________[1 mark/1 markah]
(d) What conclusion can be drawn from the investigation?
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Apakah kesimpulan yang dapat dibuat daripada penyiasatan ini?
______________________________________________________________________
[1 mark/1 markah]
2.3 FORCE
(ARAS SUKAR)
3. Nurul and her group carried out an investigation as shown in the diagram below. The
results of investigation are shown in the table below.
Nurul dan kumpulannya menjalankan suatu penyiasatan seperti yang ditunjukkan
dalam rajah below ini. Keputusan penyiasatan ditunjukkan dalam jadual di bawah.
DIAGRAM /RAJAH
TABLE /JADUAL
(a) For each of the following, state whether a pushing or a pulling force is involved.
Bagi setiap yang berikut, nyatakan sama ada daya tarikan atau tolakan yang terlibat.i. The increase in the length of rubber band
Penambahan panjang gelang getah
__________________________________________________________________
ii. The movement of the pencil
Pergerakan pensel
__________________________________________________________________
[2 marks/markah]
(b) What is the aim of the investigation?
Apakah tujuan penyiasatan ini dilakukan?______________________________________________________________________
[1 mark/markah]
(c) What conclusion can you draw based on the investigation?
Apakah kesimpulan yang dapat kamu buat daripada penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
3.1 MOVEMENT
(ARAS MUDAH)
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1. In an investigation, Hadi dropped different objects from a height of 100 cm. Table
below shows the results.
Dalam satu penyiasatan, Hadi menjatuhkan objek yang berlainan dari ketinggian 100
cm. Jadual di bawah menunjukkan keputusannya.
TABLE /JADUAL
(a) Based on the investigation, state...
Berdasarkan penyiasatan, nyatakan...
i. what is changed (manipulated variable),
apakah yang diubah (pemboleh ubah dimanipulasikan),
_________________________________________________________________
ii. what is kept the same (constant variables),
apakah yang ditetapkan (pemboleh ubah dimalarkan),
__________________________________________________________________
[2 marks/markah]
(b) Calculate the speed of the following objects.
Kirakan kelajuan objek-objek yang berikut.
Table tennis ball:
Bola pingpong
_____________________________________________________________________
Marble
Guli::
______________________________________________________________________
[1 mark/markah]
(c) What conclusion can be drawn from the investigation?
Apakah kesimpulan yang dapat dibuat daripada penyiasatan itu?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
3.2 MOVEMENT(ARAS SEDERHANA)
2. A group of pupils carried out an investigation. They put a plastic ball in front of a fan.
Then they switched on the fan and set it at different speeds. The distance moved by the
plastic ball is recorded.Sekumpulan murid menjalankan suatu penyiasatan. Mereka meletakkan sebiji bola
plastik di depan sebuah kipas. Kemudian mereka membuka kipas itu dengan kelajuan
yang berlainan. Jarak yang dilalui bola plastik dicatatkan.
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Diagram /Rajah
Table below shows the result.
Jadual di bawah menunjukkan keputusannya.
Fan speed
Kelajuan kipas
The distance moved by the plastic ball (cm)
Jarak yang dil alui bola plastik(cm)
1 20
2 40
3 60
Table /Jadual
(a) What is the purpose (aim) of the investigation?
Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(b) State...
Nyatakan...
i. what is changed (manipulated variable) in this investigation.
apakah yang diubah (pemboleh ubah dimanipulasi) dalam penyiasatan ini.
__________________________________________________________________
[1 mark/1 markah]
ii. what is measured (responding variable) in this investigation.
apakah yang diukur (pemboleh ubah bergerak balas) dalam penyiasatan ini.
_________________________________________________________________
[1 mark/1 markah]
(c) State the relationship between the speed of the fan and the distance moved by the plastic
ball.
Nyatakan hubungan antara kelajuan kipas dan jarak yang dilalui oleh bola plastik.
______________________________________________________________________
[1 mark/1 markah]
3.3 MOVEMENT(ARAS SUKAR)
3. A group of pupils carried out an investigation about the movement of several animals.The table below shows the result.
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Sekumpulan murid menjalankan suatu penyiasatan tentang pergerakan beberapa
haiwan. Jadual di bawah menunjukkan keputusannya.
Diagram /Rajah
(a) What is the aim of the investigation?Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(b) In this investigation, state...
Dalam penyiasatan ini, nyatakan...
i. what is changed (manipulated variable).
apakah yang diubah (pemboleh ubah dimanipulasikan).
__________________________________________________________________
ii. what is kept the same (constant variable).
apakah yang ditetapkan (pemboleh ubah dimalarkan).
__________________________________________________________________
[2 marks/markah]
(c) Which animal is the fastest? Give one reason for your answer.
Haiwan manakah yang paling laju? Berikan satusebab bagi jawapan kamu.
______________________________________________________________________
______________________________________________________________________[1 mark/1 markah]
4.1 FOOD PRESERVATION(ARAS MUDAH)
1 The diagram below shows a process of preserving food.
Rajah di bawah menunjukkan satu proses pengawetan makanan.
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DIAGRAM /RAJAH
(a) Name the method of preserving food.
Namakan kaedah pengawetan makanan itu.
______________________________________________________________________
[1 mark/markah]
(b) How does this method prevent the growth of microorganisms?
Bagaimanakah kaedah ini menghalang pertumbuhan mikroorganisma?______________________________________________________________________
[1 mark/markah]
(c) State two foods that can be preserved by this method.
Nyatakan duamakanan yang boleh diawet dengan kaedah ini.
1. ___________________________________________________________________2. .___________________________________________________________________
[2 marks/markah]
4.2 FOOD PRESERVATION
(ARAS SEDERHANA)
2. The diagram below shows the information given on the tin of food.
Rajah di bawah menunjukkan maklumat yang diberikan pada tin makanan.
DIAGRAM /RAJAH
(a) How long will this food keep?
Berapa lamakah makanan ini akan disimpan?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(b) Give two reasons why food which is preserved by canning can keep for a long time.
Berikan duasebab mengapa makanan yang diawet melalui pengetinan boleh disimpan
untuk masa yang lama.
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1._____________________________________________________________________
2._____________________________________________________________________
[2 marks/markah]
(c) State one benefit of this technology of food preservation.
Nyatakan satukebaikan teknologi ini bagi pengawaten makanan.
______________________________________________________________________[1 mark/markah]
4.3 FOOD PRESERVATION(ARAS SUKAR)
3. The table below shows how long foods can stay fresh at room temperature.
Jadual di bawah menunjukkan berapa lama bahan makanan kekal segar pada suhu
bilik.
TABLE /JADUAL
(a) What is the purpose (aim) of this investigation?
Apakah tujuan bagi penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(b) Based on the investigation, state...
Berdasarkan penyiasatan, nyatakan...
i. what is kept the same (constant variable),
apakah yang ditetapkan (pemboleh ubah dimalarkan),
__________________________________________________________________
ii. what is observed (responding variable).
apakah yang diperhatikan (pemboleh ubah bergerak balas).__________________________________________________________________
(c) Why does bread spoil faster than biscuit?
Mengapakah roti lebih cepat rosak daripada biskut?
______________________________________________________________________
[1 mark/markah]
5.1 WASTE MANAGEMENT (ARAS MUDAH)
1. The table below shows the number of species of fish living in a river from 2002 to2006.
Jadual di bawah menunjukkan bilangan spesies ikan yang hidup dalam sebatang sungai
dari tahun 2002 hingga 2006.
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TABLE /JADUAL
(c) What is the trend of change in the number of species of fish in the river?Apakah corak perubahan bilangan spesies ikan dalam sungai itu?
______________________________________________________________________
[1 mark/markah
]
(b) Give two causes of the trend that you have stated in (a).
Berikan duasebab corak yang kamu nyatakan di (a).
1. ____________________________________________________________________
2. ____________________________________________________________________
[2 marks/markah]
(c) Predict the number of species of fish living in the river in the year 2008.
Ramalkan bilangan spesies ikan yang hidup dalam sungai pada tahun 2008.
______________________________________________________________________
[1 mark/markah]
5.2 WASTE MANAGEMENT (ARAS SEDERHANA)
2. The table below shows the information gathered by a group of pupils in an
investigation.
Jadual di bawah ini menunjukkan maklumat yang dikumpulkan oleh sekumpulan murid
dalam satu penyiasatan.
Amount of waste (kg)
Jumlah bahan buangan(kg)
Amount of compost which can be produced (kg)
Jumlah kompos yang dapat dihasil kan(kg)
5 1
10 4
15 7
20 10
(a) What is the purpose (aim) of the investigation?
Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(b) What conclusion can be made from this investigation?
Apakah kesimpulan yang dapat dibuat daripada penyiasatan ini?
______________________________________________________________________
______________________________________________________________________[1 mark/1 markah]
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(c) State the relationship between the amount of compost produced and the amount ofwaste dumped into the environment.
Nyatakan hubungan antara jumlah kompos yang dihasilkan dan jumlah bahan buangan
yang dibuang ke alam sekitar.
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
5.3 WASTE MANAGEMENT (ARAS SUKAR)
3. Balqis and his group record the air pollution index readings of three areas as shown inthe table below.
Balqis dan kumpulannya mencatatkan bacaan indeks pencemaran udara di tiga
kawasan seperti yang ditunjukkan dalam jadual di bawah.
Table /Jadual
(a) What is studied in this investigation?
Apakah yang dikaji dalam penyiasatan ini?
______________________________________________________________________
[1 mark/1 markah]
(b) State the relationship between the number of factories and the air pollution index
reading.
Nyatakan hubung kait antara bilangan kilang dengan bacaan indeks pencemaran
udara.______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(c)
State the relationship between the number of cars and the air pollution by using the
information given above.
The amount of compost produced will affect the amount of waste dumped into the environment.
Jumlah kompos yang dihasilkan mempengaruhi jumlah bahan buangan yang dibuang ke
alam sekitar.
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Nyatakan hubungan antara bilangan kereta dengan pencemaran udara dengan
menggunakan maklumat di atas ini.
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(d) What conclusion can be drawn from this investigation which is carried out?Apakah kesimpulan yang dapat dibuat daripada penyiasatan yang dilakukan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
6.1 ECLIPSES(ARAS MUDAH)
1. Table below shows the information gathered by a group of pupils who observed the
eclipse of the moon from a observation centre.
Jadual di bawah menunjukkan maklumat yang dikumpulkan oleh sekumpulan muridyang membuat pemerhatian terhadap fenomena gerhana dari sebuah pusat
pemerhatian.
Table / Jadual
(a) What is the purpose (aim) of this investigation?
Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(b) State...
Nyatakan...
i. what is kept the same (constant variable) in this investigation.
apakah yang ditetapkan (pemboleh ubah dimalarkan) dalam penyiasatan ini.
__________________________________________________________________
[1 mark/1 markah]
ii. what is changed (manipulated variable) in this investigation.
apakah yang diubah (pemboleh ubah dimanipulasi) dalam penyiasatan ini.
__________________________________________________________________[1 mark/1 markah]
iii. what is observed (responding variable) in this investigation.
Stages of an Eclipse of the Moon
Peringkat Gerhana Bulan
Colour of the Moon
Warna Bulan
Before the eclipse
Sebelum gerhana
Yellow
Kuning
The partial eclipse
Gerhana separa
Dark grey
Kelabu gelap
The total eclipse
Gerhana penuh
Reddish
Kemerah-merahan
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apakah yang diukur (pemboleh ubah bergerak balas) dalam penyiasatan ini.
______________________________________________________________________
[1 mark/1 markah]
6.2 ECLIPSES(ARAS SEDERHANA)
2. Answer the questions based on the diagram below.Jawab soalan-soalan berdasarkan rajah di bawah.
DIAGRAM / RAJAH
(a) Explain why the phenomenon of an eclipse does not occur in situation P.Terangkan mengapa fenomena gerhana tidak berlaku di P.
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(b) What type of eclipse occurs in situation Q?
Apakah gerhana yang berlaku di Q?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(c) State two reasons to explain why the phenomenon of an eclipse occurs in situation Q.
Nyatakan duasebab untuk menerangkan fenomena gerhana yang berlaku di Q.
1. ___________________________________________________________________2. __________________________________________________________________
[2 mark/markah]
6.3 ECLIPSES
(ARAS SUKAR)
3. The diagram below shows an investigation carried out by a group of pupils.
Rajah di bawah menunjukkan satu penyiasatan yang dijalankan oleh sekumpulan
murid.
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DIAGRAM /RAJAH
(a) What is the aim of the investigation?
Apakah tujuan penyiasatan?
______________________________________________________________________
[1 mark/markah]
(b) What causes the shadow of the table tennis ball to fall on the globe?
Apakah yang menyebabkan 15ulcru-bayang bola pingpong jatuh ke atas glob?
______________________________________________________________________
[1 mark/markah]
(c) State two properties of light that cause the shadow of the table tennis ball to fall on the
globe.
Nyatakan duasifat cahaya yang menyebabkan 15ulcru-bayang bola pingpong jatuh ke
atas glob.
1. __________________________________________________________________
2. __________________________________________________________________[2 marks/markah]
7.1 MACHINES(ARAS MUDAH)
1. A group of pupils carry out an investigation. The results of their investigation are shown
in the the table below.
Sekumpulan murid menjalankan suatu penyiasatan. Keputusan penyiasatan mereka
ditunjukkan dalam jadual di bawah.
Table /Jadual
(a) What is the purpose (aim) of the investigation?
Apakah tujuan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(b) In this investigation, state...
Dalam penyiasatan ini, nyatakan...
i. what is kept the same (constant variable),
apakah yang ditetapkan (pemboleh ubah dimalarkan),
__________________________________________________________________
[1 mark/1 markah]
ii. what is measured (manipulated variable).
apakah yang diukur (pemboleh ubah bergerak balas).
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__________________________________________________________________
[1 mark/1 markah]
(c) What conclusion can you make based on the results of the investigation?
Apakah kesimpulan yang dapat dibuat daripada keputusan penyiasatan ini?
______________________________________________________________________
______________________________________________________________________[1 mark/1 markah]
7.2 MACHINES(ARAS SEDERHANA)
2. A group of pupils carried out an investigation. They used two different types of can
opener to open a tin.
Sekumpulan murid menjalankan suatu penyiasatan. Mereka menggunakan dua jenis
pembuka tin untuk membuka tin.
Using the old type of can opener Using the new type of can opener
Menggunakan pembuka tin jenis lama Menggunakan pembuka tin jenisbaru
They found that the tin can be opened
faster by using the new type of can opener.
Mereka mendapati tin dapat dibuka dengan
lebih cepat dengan menggunakan pembuka tin
jenis baru.
(a) What is the purpose (aim) of this investigation?Apakah tujuan penyiasatan ini.
______________________________________________________________________
______________________________________________________________________
[1 mark/1 markah]
(b) State
Nyatakan
i. what is kept the same (constant variable) in this investigation,
apakah yang ditetapkan (pemboleh ubah dimalarkan) dalam penyiasatan ini.
__________________________________________________________________
ii. what is changed (manipulated variable) in this investigation,
apakah yang diubah (pemboleh ubah dimanipulasi) dalam penyiasatan ini.
__________________________________________________________________
iii. what is measured (responding variable) in this investigation.
apakah yang diukur (pemboleh ubah bergerak balas) dalam penyiasatan ini.
__________________________________________________________________
[3 marks/3 markah
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7.3 MACHINES(ARAS SUKAR)
3. Azri and his group carry out an investigation. They make a model of a lever as shown in
the diagram below. Then they try to move a load by placing the fulcrum at different
positions.
Azri dan kumpulannya menjalankan suatu penyiasatan. Mereka membuat satu model
tuas seperti yang ditunjukkan pada rajah di bawah. Kemudian mereka cubamenggerakkan beban dengan meletakkan 17ulcrum pada kedudukan yang berlainan.
DIAGRAM /RAJAH
The table below shows the result of the investigation.
Jadual di bawah menunjukkan keputusan penyiasatan.
TABLE /JADUAL
(a) What is the purpose (aim) of the investigation?
Apakah tujuan penyiasatan ini?______________________________________________________________________
______________________________________________________________________
[1 mark/markah]
(b) Based on this investigation, identify...
Berdasarkan penyiasatan ini, kenal pasti...
i. what is changed (manipulated variable),
apakah yang diubah (pemboleh ubah dimanipulasikan),
__________________________________________________________________
ii. What is kept the same (constant variable).
apakah yang ditetapkan (pemboleh ubah dimalarkan).
__________________________________________________________________
[2 marks/markah]
(c) What conclusion can be drawn from this investigation?
Apakah kesimpulan yang dapat dibuat daripada penyiasatan ini?
______________________________________________________________________
______________________________________________________________________
[1 mark/markah]