sectionb soalan ramalan 2009

8/7/2019 Sectionb soalan ramalan 2009

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Section B

Bahagian B

[20 marks][20 markah]

The suggested time for this section is 30 minutes. If you are unable to answer a question,

proceed to the next question.Masa yang dicadangkan untuk bahagian ini ialah 30 minit. Sekiranya kamu tidak dapat

menjawab sesuatu soalan teruskan menjawab soalan berikutnya.

Answerall question.

Jawab semua soalan.

Write your answers in the spaces provided.

Tuliskan jawapan kamu dalam ruang yang disediakan.

1. Diagram 1 shows some objects and apparatus set up by Nabil to investigate the ability of

different objects float on water. He puts the objects in a container of water.Rajah 1 menunjukkan beberapa objek dan radas yang disediakan oleh Nabil untuk

menyiasat kebolehan objek yang berbeza terapung di atas air. Dia meletakkan objek-objek itu ke dalam sebekas air.

marble

guli

scissors

gunting

ping pong ball

bola ping pong

wooden blockbongkah kayu sponge

span

screwskru

waterair

containerbekas

Diagram 1

Rajah 1


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Nabils results are shown below.Keputusan Nabil ditunjukkan di bawah.

a) State two information gathered in this investigation.

Nyatakan dua maklumat yang dikumpul dalam penyiasatan ini

[1 mark / 1 markah]

b) Write the relationship (hypotesis) between the variable that is changed

(manipulated) and varaiable that is measured (responding).Tuliskan hubungan (hipotesis) anta pembolehubah yang dimanipulasikan dengan

pembolehubah yang bergerakbalas.

[1 mark / 1 markah]

c) Using the results of this investigation, give one inference about objects R.

Menggunakan keputusan penyiasatan ini, berikan satu inferens tentang objek R.

[1 mark / 1 markah]

d) Predict what would happened if an eraser is put in the container?Ramalkan apakah yang akan terjadi jika sebiji pemadam diletakkan ke dalam

bekas itu?

[1 mark / 1 markah]

ObjectsObjek

Float on the water

Terapung di atas air

Sink in the water

Tenggelam di dalam air

R

sponge / span

ping pong ball / bola ping pong

wooden block / bongkah kayu

S

screw / skru

marble / guli

scissors / gunting


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2. Diagram 2 is a bar chart which shows the size of the moon during its phases.Rajah 2 ialah carta palang yang menunjukkan saiz bulan semasa fasa-fasa bulan.

a) State the aim of the investigation.Nyatakan tujuan penyiasatan itu.

[1 mark / 1 markah]

b) What is the trend of change in size of the moon?Apakah corak perubahan saiz bulan?

[1 mark / 1 markah]

c) Give one reason (inference) to explain the situation above.

Berikan satu alasan (inferens) untuk menerangkan situasi di atas.

[1 mark / 1 markah]

Sometimes we cannot see the moon at night.

Kadangkala kita tidak dapat melihat bulan pada waktu malam.

Day

Hari

Size of the moonSaiz bulan

Diagram 2Rajah 2

4 8 12 16 20 24 26


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d) What can you conclude from this investigation?Apakah kesimpulan yang boleh kamu buat berdasarkan penyiasatan ini?

[1 mark / 1 markah]

3. Diagram 3 shows the observation of a ship moving towards the jetty one evening.

Rajah 3 menunjukkan pemerhatian terhadap sebuah kapal yang bergerak ke arah jetipada suatu petang.

a) State one inference to explain the above observation.

Nyatakan satu inference untuk menjelaskan pemerhatian di atas.

[1 mark / 1 markah]b) State;

Nyatakan;

i) what is changed (manipulated variable ),

pembolehubah dimanipulasikan,

[1 mark / 1 markah]

ii) what is observed ( responding variable ).Pembolehubah bergerak balas.

[1 mark / 1 markah]

2.15 pm 2.45 pm 3.15 pm 3.45 pm

Diagram 3

Rajah 3


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c) State the relationship (hypothesis) between the variable that is changed

( manipulated ) and variable that is observed ( responding ).Nyatakan hubungan( hipotesis ) di antara pembolehubah dimanipulasikan

dengan pembolehubah bergerak balas.

[1 mark / 1 markah]

d) Write one variable that is kept the same ( constant ).Tulis satu pembolehubah yang dimalarkan.

[1 mark / 1 markah]

4. Table 1 shows the number of animal P and Q which are active at night. The observation

was made from 10.00 pm until 12.00 pm at the same place.

Jadual 1 menunjukkan jumlah haiwan P dan Q yang aktif pada waktu malam.Pemerhatian itu dilakukan dari pukul 10.00 pm hingga 12.00 pm di tempat yang sama.

Animal

Haiwan

Number which are active at night

Bilangan yang aktif pada waktu malam

P 15

Q 3

Table 1

Jadual 1

a) Write one observation for this investigation.Tuliskan satu pemerhatian bagi penyiasatan ini.

[1 mark / 1 markah]b) Give one reason ( inference ) to explain about animal P.

Berikan satu alasan ( inferens ) untuk menerangkan tentang haiwan P.

[1 mark / 1 markah]c) Name the animal that can represent animal P.

Namakan haiwan yang boleh mewakili haiwan P.

[1 mark / 1 markah]


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d) State two variables that is kept the same (constant)Nyatakan dua pembolehubah yang dimalarkan.

1.

2. [2 marks / 2 markah]

5. Table 2 shows the number of trees in a reserve forest since year 1996 to 2000.Jadual 2 menunjukkan bilangan pokok yang terdapat di sebuah hutan simpan dari tahun

1996 hingga 2000.

Year

Tahun

Number of trees

Bilangan pokok

1996 500

1997 465

1998 430

1999 395

2000 360

a) What is the aim of the investigation?Apakah tujuan penyiasatan itu?

[1 mark / 1 markah]

b) State the trend in the change of number of trees since year 1996 to 2000.

Nyatakan corak perubahan bilangan pokok dari tahun 1996 hingga 2000.

[1 mark / 1 markah]

c) Predict the number of trees in year 2002 if the trend of change continuous.

Ramalkan bilangan pokok dalam tahun 2002 jika corak perubahan ituberterusan.

[1 mark / 1 markah]

Table 2

Jadual 2


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Answer Scheme

1. a) i) type of object

ii) ability to float on water / condition of object / float on water or sink in

water

b) If the objects are group R / sponge, ping pong ball and wooden block then thecondition of object float on water.

c) -the objects are light-the objects have air space

d) sink in water

2. a) To investigate the relationship between the day and the size of the moon.b) increases and decreases

c) - phase of moon is new moon

- its rain- its cloudy night

d) If the day increase until day 16 then the size of moon increase after that decrease.

3. a) The Earth is sphere in shapeb) i) time

ii) shape of the ship // size of the ship

c) If the time increase then the size of the increased) - place of investigation

- day of investigation

- speed of the ship

4. a) The number of animal P which are active at night is more than Q.

b) - have to find food

- escape from its enemies

- the place have lot of food- less predator

c) cockroach // rat // batd) - time of investigation

- place of investigation

5. a) To investigate the relationship between the year and the number of trees.

b) decreases

c) 290

sectionb soalan ramalan 2009

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