3. set item bahagian b latubi kluang

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JKD SAINS RENDAH DAERAH KLUANG

BAHAGIAN B 1 Diagram below shows an experiment which was carried out by pupils of Year 5. They

found out the length and the position of the shadow will change accordingly to the position of the torch light at A,B,C,D and E. Rajah di bawah menunjukkan eksperimen yang dijalankan oleh murid-murid tahun lima. Mereka dapati panjang dan kedudukan bayang – bayang berubah mengikut kedudukan lampu suluh di A,B,C,D dan E.

a) State the pattern of the length of the shadow from A to E obtained from this investigation? Nyatakan corak panjang bayang-bayang yang diperolehi dari A ke E dalam penyiasatan ini ? …..................................................................................................................................... …...................................................................................................................................... [ 1 mark ]

[1 markah]

A

Wooden pole Tiang kayu E

D B

C

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b) State two variable that was kept the same.( constant ). Nyatakan dua pemboleubah yang sama ( dimalarkan ). …...................................................................................................................................... …...................................................................................................................................... [ 2 marks ]

(2 markah) c) What is the aim of the investigation. Apakah tujuan bagi penyiasatan ini. ........................................................................................................................................... ...........................................................................................................................................

[ 1 mark ] (1 markah)

The sun seems to be moving from the east to the west and the position of the shadows move from west to east. Matahari kelihatan bergerak dari timur ke barat dan bayang- bayang bergerak dari barat ke timur.

d) What conclusion can you make from this investigation ? Apakah kesimpulan yang dapat dibuat daripada penyiasatan ini. …...................................................................................................................................... …......................................................................................................................................

[ 1 markh ] (1 mark)

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2. Mr. Saiful and Mr. Din planted the same number of maize plant in the same piece of orchard. Diagram below shows the growth of maize plants in both the plantations in a period of times. Encik Saiful dan En. Din menanam bilangan pokok jagung yang sama banyak di sebidang tanah kebun yang sama saiz. Rajah di bawah menunjukkan pertumbuhan pokok jagung bagi kedua – dua kebun selepas satu tempoh penanaman.

Mr. Saiful Orchard Kebun En. Saiful

Mr. Din Orchard Kebun En. Din

The maize plants grow tall and healthy Pokok jagung tumbuh dengan tinggi dan subur

The maize plants are short and unhealthy Pokok jagung rendah dan kurang subur

(a) Give two inferences based on the observation above Berikan dua inferens berdasarkan pemerhatian di atas. i. ___________________________________________________________________

___________________________________________________________________

ii ___________________________________________________________________

___________________________________________________________________ [2 marks]

( 2 markah )

(b) Write one other observation on the condition of the maize plants to support your answer in 1(a). Tuliskan satu pemerhatian lain tentang keadaan pokok jagung untuk menyokong jawapan anda di 1(a). ______________________________________________________________________

______________________________________________________________________

[1 mark]

[1 markah]

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c) State : Nyatakan : i) What to change: ____________________________________________________ Apa yang di ubah : ii) What to observe: ____________________________________________________ Apa yang diperhatikan :

[2 marks] ( 2 markah )

3. Diagram below shows the position of four planets T, U, V and W from the Sun. Rajah di bawah menunjukkan kedudukan empat planet T, U, V dan W dari Matahari.

A bar chart below shows the surface temperature of planets in diagram above. Carta palang di bawah menunjukkan suhu permukaan planet-planet dalam rajah above

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(a) What is the purpose (aim) of the investigation? Apakah tujuan penyiasatan tersebut?

__________________________________________________________________

__________________________________________________________________

[1 mark] [1 markah]

(b) Based on diagram and graph above state Berdasarkan rajah dan graf di atas, nyatakan i. what is changed (manipulated variable): apa yang diubah (pembolehubah dimanipulasi):

_______________________________________________________________ [ 1 mark ]

[ 1 markah ] ii. what is observed (responding variable): apa yang diperhatikan (pembolehubah bergerakbalas):

________________________________________________________________ [ 1 mark ]

[ 1 markah ] (c) State one relationship between the variable that is changed (manipulated) and the variable that is observed (responding), that can be made in this investigation. Nyatakan satu hubungan (hipotesis) di antara pemboleubah dimanipulasi dengan bergerakbalas dalam penyiasatan ini.

_____________________________________________________________________

_____________________________________________________________________

[1 mark] [1 markah]

(d) From this investigation, there are living things on one of the planets. State one reason (inference) based on the observation. Daripada penyiasatan ini, terdapat hidupan di salah satu planet yang diperhatikan. Nyatakan satu sebab (inferens)berdasarkan pemerhatian tersebut.

____________________________________________________________________

_____________________________________________________________________

[ 1 mark ] [ 1 markah ]

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4. An investigation is carried out by a group of pupils about the size of dough after one of the dough was mixer with the yeast.

Satu penyiasatan telah dijalankan oleh sekumpulan murid tentang saiz doh selepas salah satu daripada doh tersebut dicampurkan dengan yis.

Diagram below shows the condition of two lumps of dough after one hour. Rajah di bawah menunjukkan keadaan dua kepalan doh selepas satu jam.

After one hour Selepas satu jam

a) Identify : Kenalpasti : i. What is changed ( pemboleh ubah dimanipulasikan ) :

[ 1 mark ]

[ 1 markah ] ii. What is observed ( pemboleh ubah bergerak balas ) :

[ 1 mark ]

[ 1 markah ] iii. What is kept the same ( dimalarkan ) :

______________________________________________________________


b) What is the aim of the investigation? Apakah tujuan penyiasatan? _____________________________________________________________________


c) What is the relationship between what is changed and what is observed?

Apakah hubungan antara pemboleh ubah dimanipulasikan dan pemboleh ubah bergerak balas? _____________________________________________________________________

_____________________________________________________________________


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3. set item bahagian b latubi kluang

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