Sains Tahun 6 Bhg B

SULIT 018

[ Lihat sebelah UPK 1 2012

1

Section B Bahagian B

[20 marks]

[20 markah]

Answers all question. Write your answers in the space provided. Jawab semua soalan. Tuliskan jawapan kamu dalam ruang yang disediakan.

1. Diagram1 is a bar chart which shows the number of Rafflesia in a forest in Malaysia. Rajah 1 ialah carta palang yang menunjukkkan bilangan Bunga Pakma di sebuah hutan di Malaysia.

Diagram 1 Rajah 1

(a) What is the trend of change in number of Rafflesia from the year 1985 to the year 2010? Apakah corak perubahan bilangan Bunga Pakma dari tahun 1985 hingga tahun 2010?

______________________________________________________________________

[1 mark] [1 markah]

0

50

100

150

200

250

1985 1990 1995 2000 2005 2010

Number of Rafflesia Bilangan Bunga Pakma

Year Tahun

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(b) State one reason (inference) about the change in the number of Rafflesia from the year 1985 to 2000. Nyatakan satu sebab (inferens) tentang perubahan bilangan Bunga Pakma dari tahun 1985 hingga 2000.

_______________________________________________________________________ _______________________________________________________________________

[1 mark] [1 markah]

(c) State two informations gathered in this investigation. Nyatakan dua maklumat yang dikumpul dalam penyiasatan. 1. _____________________________________________________________________ 2. _____________________________________________________________________

[2 marks] [2 markah]

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Marbles Guli

Water Air

Water Air

25ml

45ml

35ml - - - - - - - - - - - - - - -

- - - - - - - - - - - - -

- - - - - - - - - - -

2. Diagram 2 shows 20 ml of water is poured into three similar measuring cylinders.

Marbles of the same size are added into the cylinder. The changes of water level are observed. Rajah 2 menunjukkan 20 ml air dimasukkan ke dalam silinder penyukat yang sama. Guli- guli yang sama saiz ditambah ke dalam silinder. Perubahan aras air diperhatikan.

ml ml ml

Diagram 2 Rajah 2

(a) What is the aim of this investigation? Apakah tujuan penyiasatan ini?

_____________________________________________________________________

_____________________________________________________________________

[1 mark] [1 markah]

(b) State one variable that was changed (manipulated variable) in this investigation? Nyatakan satu pembolehubah yang dimanipulasikan dalam penyiasatan ini?

____________________________________________________________________

[1 mark] [1 markah]

Marbles Guli

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(c) Predict the level of water if seven marbles are added into the measuring cylinder. Ramalkan aras air jika tujuh biji guli ditambahkan ke dalam silinder penyukat.

_____________________________________________________________________

[1 mark] [1 markah]

(d) What conclusion can be made from this investigation?

Apakah kesimpulan yang boleh dibuat berdasarkan penyiasatan?

____________________________________________________________________

____________________________________________________________________ [1 mark]

[1 markah]

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5

3. Diagram 3 shows the apparatus used by Hafiz in an experiment. A few coins are added

into the paper cup. Table 3 shows the data collected by him. Rajah 3 menunjukkan peralatan yang digunakan oleh Hafiz dalam satu eksperimen. Beberapa syiling dimasukkan ke dalam cawan kertas. Jadual 3 menunjukkan maklumat yang dikumpul oleh beliau.

Diagram 3

Rajah 3

Number of coins Bilangan syiling

Length of the rubber band / cm Panjang gelang getah / cm

8 10 12 12 17 15 23 19 30 24 38 30 47 30

Table 3 Jadual 3

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

[1 mark] [1 markah]

Rubber band Gelang getah

Rubber band Gelang getah

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(b) What will happen to the length of rubber band if 52 coins are added in the paper cup ? Apakah yang akan berlaku kepada panjang gelang getah jika sebanyak 52 syiling ditambahkan di dalam cawan kertas? _____________________________________________________________________

( 1 mark ) (1 markah)

(c) What is the trend of changes in the length of rubber band in this investigation? Apakah corak perubahan panjang gelang getah dalam penyiasatan ini ? ______________________________________________________________________

( 1 mark ) (1 markah)

(d) What conclusion can be made from the investigation? Apakah kesimpulan yang boleh dibuat berdasarkan penyiasatan? ______________________________________________________________________ _______________________________________________________________________

[1 mark] [1 markah]

(e) State one relationship (hypothesis) between the variable that is changed (manipulated) and the variable that is observed (responding) based on the statement. Nyatakan satu hubungan ( hipotesis) di antara pembolehubah dimanipulasi dengan pembolehubah bergerak balas berdasarkan pernyataan. ______________________________________________________________________ ______________________________________________________________________

[1 mark] [1 markah]

Size of coin caused the length of rubber band to increase Saiz syiling menyebabkan panjang gelang getah bertambah

SULIT

UPK 1 2012

4. Diagram 4 shows the phases of the Moon observed by Fazliana and Fitri on certain dayof the month in the lunar calendar.

Rajah 4 menunjukkan fasa hari-hari tertentu selama sebulan mengikut

(a) What is the purpose (aim)

Apakah tujuan penyiasatan tersebut? _____________________________________________________________________ _____________________________________________________________________

(b) State the trend of the changes of the moon phases

Nyatakan corak perubahan fasa _____________________________________________________________________

Sun Matahari

1st

hari pertama

7

phases of the Moon observed by Fazliana and Fitri on certain day

of the month in the lunar calendar. Rajah 4 menunjukkan fasa-fasa bulan yang diperhatikan oleh Fazliana dan Fitri pada

hari tertentu selama sebulan mengikut Takwin Qamari.

Diagram 4 Rajah 4

(aim) of the investigation? tujuan penyiasatan tersebut?

_____________________________________________________________________

_____________________________________________________________________

State the trend of the changes of the moon phases from 1st day to 23Nyatakan corak perubahan fasa-fasa bulan dari hari pertama hingga hari ke23

_____________________________________________________________________

5th

hari kelima

23th

hari kedua puluh tiga

018

[ Lihat sebelah

phases of the Moon observed by Fazliana and Fitri on certain days

fasa bulan yang diperhatikan oleh Fazliana dan Fitri pada

_____________________________________________________________________

_____________________________________________________________________ [1 mark]

[1 markah]

to 23rd day. dari hari pertama hingga hari ke23.

_____________________________________________________________________

[1 mark] [1 markah]

15th

hari kelima belas

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(c) State two reasons (inferences) based on the above statement. Nyatakan dua sebab (inferen)berdasarkan penyataan di atas.

1. _______________________________________________________________ _______________________________________________________________

2. _______________________________________________________________ _______________________________________________________________

[2 marks] [2 markah]

On the night of the 15th day of the Lunar Calendar, the moon cannot be seen. Pada malam ke 15 dalam kalendar Qamari, bulan tidak kelihatan.

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5. Diagram 5 shows folded paper used by a group of pupils to investigate the ability to support a glass. The observation is shown in Table 5. Rajah 5 menunjukkan beberapa lipatan kertas yang diuji oleh sekumpulan murid untuk menyiasat kebolehan menampung gelas kaca. Pemerhatian direkodkan seperti di dalam Jadual 5.

Diagram 5 Rajah 5

Model Model

Number of folds Bilangan lipatan

Number of glasses can be supported Bilangan gelas yang boleh ditampung

P 4 1 Q 8 2 R 12 3

Table 5 Jadual 5

(a) What is the purpose (aim) of this investigation ? Apakah tujuan penyiasatan yang dijalankan ? _________________________________________________________________________ _________________________________________________________________________

[1 mark] [1 markah]

(b) State one variable that need to keep the same (constant) in this investigation. Nyatakan satu pembolehubah yang dimalarkan dalam penyiastan ini _________________________________________________________________________

[1 mark] [1 markah]

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(c) State one relationship (hypothesis) 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 bergerak balas dalam penyiasatan ini. __________________________________________________________________________ __________________________________________________________________________

[1 mark] [1 markah]

END OF QUESTION PAPER KERTAS SOALAN TAMAT

Sains Tahun 6 Bhg B

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