8/16/2019 Final Bahagian B

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Section B

À¢Ã¢× B

[ 20 marks]

[ 20 ÒûÇ¢¸û ]

Answer all questions±øÄ¡ì §¸ûÅ¢¸ÙìÌõ Å¢¨¼ÂÇ¢ì¸×õ

1.  Diagram 1 shows the information gathered in an investigation.

À¼õ 1, ´Õ ¬Ã¡öÅ¢ø §º¸Ã¢ì¸ôÀð¼ ¾¸Åø¸¨Çì ¸¡ðθ¢ÈÐ?

Diagram 1À¼õ 1

a.  What is the aim of this investigation?

þó¾ ¬Ã¡öÅ¢ý §¿¡ì¸õ ±ýÉ ?

 ________________________________________________________________

 ________________________________________________________________

[1mark]

[1 ÒûÇ¢¸û ]

 b.  State one reason (inference) based on the observation of the fish that is caught

at Sungai Asahan.«º¸¡ý ¿¾¢Â¢ø À¢Êì¸ôÀð¼ Á£ý¸¨Ç ¯üÈÈ¢¾ø ¦ºö¾¾ý«ÊôÀ¨¼Â¢ø ´Õ ¸¡Ã½ò¨¾ì ( °¸¢ò¾ø) ÌÈ¢ôÀ¢Î¸.

 ________________________________________________________________

 ________________________________________________________________

[1 mark] [1 ÒûÇ¢¸û ] 

Fish : Tilapia

Á£ý  :¾ÄôÀ¢Â¡

Place : Sungai Asahanþ¼õ : «º¸¡ý ¿¾¢

Weight : 500 grams

±¨¼  : 500 ¸¢Ã¡õ

Fish : Tilapia

Á£ý  :¾ÄôÀ¢Â¡

Place : Sungai Malimþ¼õ : Á¡Ä¢õ ¿¾¢

Weight : 250 grams

±¨¼  : 250 ¸¢Ã¡õ

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c.  State what is kept the same (constant variable) in this investigation.þó¾ ¬Ã¡öÅ¢ø ±Ð, ¸ðÎôÀÎò¾ôÀð¼Ð ( Á¡È¡¾ Á¡È¢).

 ________________________________________________________________

[1 mark]

[1 ÒûÇ¢¸û ] 

 Number of fish in the pondÌÇò¾¢ÖûÇ Á£ý¸Ç¢ý

±ñ½¢ì¨¸  

Average mass of each fish /gram

´Õ Á£É¢ý ºÃ¡ºÃ¢ ±¨¼ /

¸¢Ã¡õ  

1000 Á£ý¸û 300

500 Á£ý¸û 500

d.  State one relationship between the two information gathered based on the tableabove.§Áü¸ñ¼ «ð¼Å¨½Â¢ø §º¸Ã¢ì¸ôÀð¼ þÃñÎ ¾¸ÅÖìÌþ¨¼Â¢Ä¡É ´Õ ¦¾¡¼÷¨Àì ÌÈ¢ôÀ¢Î¸.

 ________________________________________________________________

 ________________________________________________________________

[1 mark][1ÒûÇ¢¸û  ]

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2. Diagram 2 shows an investigation conducted by a group of pupils to study the

swing of the pendulum in 30 seconds.

The results of the investigation are shown in the diagram below.

À¼õ 2, ´Õ Á¡½Å÷ ÌØÅ¢É÷ 30 ŢɡÊ¢ø °ºø ÜñÊý

°ºÄ¡ð¼ò¨¾ì ¸ñ¼È¢Â §Áü¦¸¡ûÇôÀð¼ À⧺¡¾¨É¡þì ¸¡ðθ¢ÈÐ.À⧺¡¾¨É¢ý ÓÊ׸û £̧ú측Ïõ ŨÃôÀ¼ò¾¢ø ¸¡ð¼ôÀðÎûÇÐ.

a.  StateÌÈ¢ôÀ¢Î¸

i.  what is changed (manipulated variable) in this investigation.þó¾ ¬öÅ¢ø ¾üº¡÷ÒÁ¡È¢¨Âì ¸ñ¼È¢¸. 

 __________________________________________________________

[1 mark]

[1 ÒûÇ¢¸û ]

ii.  what is measured (responding variable) in this investigation.þó¾ ¬öÅ¢ø º¡÷ÒÁ¡È¢¨Âì ¸ñ¼È¢¸. 

 __________________________________________________________

[1 mark]

[1ÒûÇ¢¸û ]

20 cm 15 cm

String

á øString

á ø

 Number of swings : 10°ºÄ¡ð¼ò¾¢ý

 Number of swings : 15°ºÄ¡ð¼ò¾¢ý

Diagram 2

À¼õ 2

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 b.  Predict the length of the string if the number of swing is 20.°ºøÌñÊý °ºÄ¡ð¼ò¾¢ý ±ñ½¢ì¨¸ 20 ±É¢ý, á Ä¢ý ¿£Çò¨¾

«ÛÁ¡Éõ ¦ºö¸.

 __________________________________________________________________

[1 mark]

[1 ÒûÇ¢¸û  ]

c.  What can you conclude from the result of this investigation?þó¾ ¬Ã¡ö¨Å «ÊôÀ¨¼Â¡¸ì ¦¸¡ñÎ ±Îì¸ôÀÎõ þÚ¾¢ ÓÊ×±ýÉ?

 __________________________________________________________________  

[1 mark][1 ÒûÇ¢¸û  ]

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3.  Four similar bowls R,S,T and U are filled with different volume of water.

All the bowls are placed in a freezer to harden.

Diagram 3 shows the results of the experiment.

´§Ã Á¡¾¢Ã¢Â¡É R,S,T ÁüÚõ U ±Ûõ ¿¡ýÌ À¡ò¾¢Ãí¸Ç¢ø ¦Åù§ÅÚ

«ÇÅ¢Ä¡É ¿£÷ ¿¢ÃôÀôÀð¼Ð.¿¡ýÌ À¡ò¾¢Ãí¸Ç¢ø ¯ûÇ ¿£÷ ¯¨ÈÔõ Ũà ÌÇ¢÷º¡¾Éô ¦ÀðÊ¢ø¨Åì¸ôÀð¼Ð.À¼õ 3 ¬öÅ¢ý ÓʨÅì ¸¡ðθ¢ÈÐ.

Diagram 3

À¼õ 3

a.  What is the purpose of this investigation?þó¾ ¬Ã¡öÅ¢ý §¿¡ì¸õ ±ýÉ?

 ________________________________________________________________

 ________________________________________________________________

[1 mark] 

[1 ÒûÇ¢¸û ]

Time taken to harden/minute¯¨È ±ÎòÐì ¦¸¡ñ¼§¿Ãõ/ ¿¢Á¢¼õ

Volume of water/ml ¿£Ã¢ý¦¸¡ûÇÇ /ml 20 40 60 80 100

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 b.  State two information gathered in this investigation.þó¾ ¬Ã¡öÅ¢ø §º¸Ã¢ì¸ôÀð¼ þÕ ¾¸Å¨Äì ÌÈ¢ôÀ¢Î¸.

1.  _____________________________________________________________

2.   _____________________________________________________________[2 marks]

[2 ÒûÇ¢¸û  ]

c.  State one relationship between what is changed and what is measured in this

investigation.¾üº¡÷Ò Á¡È¢ìÌõ º¡÷Ò Á¡È¢ìÌõ þ¨¼§Â ¯ûÇ ¦¾¡¼÷¨ÀìÌÈ¢ôÀ¢Î¸. 

 ________________________________________________________________

 ________________________________________________________________

[1 mark]

[1 ÒûÇ¢¸û ]

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4.  Table 1 shows the information gathered by a group of astronomers.«ð¼Å¨½ 1, ´Õ Å¢ñ¦ÅÇ¢ ¬ö× ÌØÅ¢Éáø §º¸Ã¢ì¸ôÀð¼ ¾¸Åø¸¨Çì ¸¡ðθ¢ÈÐ.

Planets§¸¡û¸û

Position of planets from the SunÝâÂÉ¢¼Á¢ÕóÐ §¸¡û¸Ç¢ý þ¼ «¨Á× 

XThe nearest planet from the Sun

ÝâÂÛìÌ Á¢¸ «Õ¸¢ÖûÇ §¸¡û

YThe furthest planet from the Sun.

ÝâÂɢĢÕóÐ Á¢¸ àÃò¾¢ÖûÇ §¸¡û

Table 1«ð¼Å¨½ 1

a.  Write one other observation about planet Y based on the information above.§Áü¸¡Ïõ ¾¸ÅÄ¢ý «ÊôÀ¨¼Â¢ø Y §¸¡¨Çô ÀüȢ §Å¦È¡Õ¯üÈÈ¢¾¨Äì ÌÈ¢ôÀ¢¼×õ.

 ________________________________________________________________

 ________________________________________________________________

[1mark]

[1 ÒûÇ¢¸û ] 

 b.  State the relationship between the position of the planets from the Sun and the

time taken to move around the Sun.§¸¡û¸Ç¢ý þ¼ «¨ÁÅ¢üÌõ, §¸¡û¸û Ýâ¨Éî ÍüÈ¢Åà ±ÎòÐ즸¡ûÙõ ¸¡Ä «ÇÅ¢üÌõ þ¨¼§Â ¯ûÇ ¦¾¡¼÷¨Àì ÌÈ¢ôÀ¢Î¸.

 ________________________________________________________________

 ________________________________________________________________

[1mark]

[1 ÒûÇ¢¸û ]

c.  Give two reasons (inference) based on the statement above.§Áü¸¡Ïõ ÜüÈ¢ý «ÊôÀ¨¼Â¢ø þÃñÎ ¸¡Ã½í¸û ÌÈ¢ôÀ¢Î¸.

1.   _____________________________________________________________

2.   _____________________________________________________________

[2 mark]

The Earth is the only planet in the Solar System that has living things.

Ýâ Áñ¼Äò¾¢ø âÁ¢Â¢ø ÁðΧÁ ¯Â¢Ã¢Éí¸û Å¡ú¸¢ýÈÉ.

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[2 ÒûÇ¢¸û ]

5. Diagram 4 shows an investigation on the time taken for the parachutes to reach the

ground. À¼õ 4 Å¡ý̨¼ ¾¨Ã¢Èí¸ ±ÎòÐì ¦¸¡ñ¼ §¿Ãò¨¾ôÀüȢ ¬ö¨Å측ðθ¢ÈÐ.

ParachutesÅ¡ý̨¼

Time taken to reach the ground /s¾¨Ã¢Èí¸ ±ÎòÐì ¦¸¡ñ¼

§¿Ãõ/ŢɡÊ

120

90

60

Diagram 4

À¼õ 4a.  What is the trend of change in the time taken to reach the ground as the size of

 parachutes decreases?Å¡ý̨¼Â¢ý «Ç× Ì¨ÈÔõ§À¡Ð, «Ð ¾¨Ã¢Èí¸ ±ÎòÐ즸¡ûÙõ §¿Ãò¾¢ý «¨ÁôÒÓ¨È ±ùÅ¡Ú ¯ûÇÐ?

 ________________________________________________________________[1 mark]

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[1 ÒûÇ¢¸û ]

 b.  State

ÌÈ¢ôÀ¢Î¸

i.  what is changed (manipulated variable) in this investigation.þó¾ ¬öÅ¢ø ¾üº¡÷ÒÁ¡È¢¨Âì ¸ñ¼È¢¸. 

 ______________________________________________________________

[1 mark]

[1 ÒûÇ¢¸û ]

ii.  what is measured (responding variable) in this investigation.þó¾ ¬öÅ¢ø º¡÷ÒÁ¡È¢¨Âì ¸ñ¼È¢¸. 

.

 ______________________________________________________________[1 mark]

[1 ÒûÇ¢¸û ]

c.  Write one hypothesis based on the investigation.þó¾ ¬öÅ¢ý «ÊôÀ¨¼Â¢ø ´Õ ¸ÕЧ¸¡û ±Øи.

 ________________________________________________________________

 ________________________________________________________________[1mark] 

[1 ÒûÇ¢¸û ]

END OF SECTION BÀ̾¢ B ÓüÚõ

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