1 the picture below shows four aquariums

8/14/2019 1 the Picture Below Shows Four Aquariums

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SULIT 018

1 The picture below shows four aquariums P, Q, R and S containing 10 fish in each of them.Different number of oil drops were put into each aquarium.

Rajah di bawah menunjukkan empat buah akuarium P, Q, R dan S yang mengandungi 10 ekor ikan dalamsetiap satunya. Setiap akuarium dititiskan dengan bilangan titisan minyak yang berbeza.

The table below shows the number of fish that died after one day.Jadual berikut menunjukkan bilangan ikan yang mati selepas satu hari.

P Q R S

Number of oil dropsBilangan titis minyak 1 2 3 4

Number of fish that diedBilangan ikan mati 2 4 6 8

018 Lihat Sebelah

SULIT

(a) Give reason (inference) for your observation.Berikan sebab (inferens) bagi pemerhatian kamu.

________________________________________________________________________

________________________________________________________________________

(1 mark)

(b) State another observation to support your inference in (a)Berikan permerhatian lain untuk menyokong inferens kamu di (a).

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(1 mark)

(c) Predict the number of fish that will die if two more drops of oil were put into aquarium S.

Ramalkan bilangan ikan yang akan mati jika dua titis minyak lagi ditambah ke dalam akuarium S.

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(1 mark)

(d) State the relationship between the number of oil drops and the number of fish that died.Nyatakan hubungan antara bilangan titis minyak dengan bilangan ikan yang mati.

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________________________________________________________________________

(1 mark)

P Q R S

Dead fishIkan mati

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(e) State what to keep the same (fixed variable)Nyatakan apa yang ditetapkan (pembolehubah dimalarkan)

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(1 mark)

2 Four thumbtacks were glued to rods P, Q, R and S using candle wax as shown in the figurebelow.

Empat paku tekan digamkan kepada rod P, Q, R dan S seperti ditunjukkan dalam rajah berikut.

P Q

R S

After a while, the thumbtacks on the rods began falling from the rods in the following order.Selepas seketika, paku-paku tekan tersebut mulai jatuh daripada rod-rod tersebut dalam urutan berikut.

Q P S R

018 Lihat Sebelah

SULIT

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3 The table below shows the information gathered from an investigation. Object X with theweight of 100kg (measured on Earth) was then measured on three different planets

Jadual di bawah menunjukkan maklumat yang dikumpulkan dari satu penyiasatan. Sebuah objekseberat 100kg (diukur di Bumi) kemudiannya diukur di tiga buah planet lain.

018 Lihat Sebelah

SULIT

(a) What observation can you made from this experiment?Apakah pemerhatian kamu daripada eksperimen ini?

____________________________________________________________________________

____________________________________________________________________________

(1 mark)

(b) Give a reason (inference) for your observation in (a).Berikan sebab (inferens )bagi pemerhatian kamu di (a).

____________________________________________________________________________

(1 mark)

(c) In this experiment, state two things that are kept the same (fixed variables)Dalam eksperimen ini, nyatakan dua perkara yang ditetapkan (dimalarkan)

i. _______________________________________________________________________

ii. _______________________________________________________________________

(2 marks)(d)

What can you conclude from this experiment?

Apakah kesimpulan kamu daripada eksperimen ini?

____________________________________________________________________________

____________________________________________________________________________

(1mark)

(e) Most cups are made of glass. Why is it so?Kebanyakan cawan diperbuat daripada kaca. Mengapakah demikian?

____________________________________________________________________________

(1 mark)

P Q R

Diameter of planet (km)Diameter planet

6 794 12 336 142 984

Weight of object X on the planet (kg)Berat objek X di planet (kg)

85 120 180


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[Diameter of Earth is 12 756 km][Diameter Bumi ialah 12 756 km)]

4 A toy car was released from a ramp. The distance traveled by the toy car on threedifferent surfaces X, Y and Z was recorded as shown in the graph below.

Kereta mainan dilepaskan daripada satu satah condong. Jarak yang dilalui oleh kereta mainan pada tigapermukaan berbeza X, Y dan Z direkodkan seperti yang ditunjukkan dalam graf di bawah.

Distance(cm)

X Y Z

Types of surface Jenis permukaan

018 Lihat Sebelah

SULIT

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

___________________________________________________________________________

___________________________________________________________________________

(1mark)

(b) State the trend in the changes in weight of object X in this investigation.Nyatakan corak perubahan berat objek X dalam penyiasatan ini.

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(1 mark)

(c) Based on the information, what do you think planet P is?Berdasarkan maklumat tersebut, apakah mungkin planet P?

___________________________________________________________________________

(1 mark)

(d) What is the conclusion of the investigation?Apakah kesimpulan bagi penyiasatan ini?

___________________________________________________________________________

___________________________________________________________________________(1 mark)

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018 Lihat Sebelah

SULIT

(a) Give a reason (inference) for the distance travelled on surface X.Berikan sebab (inferens) bagi jarak yang dilalui atas permukaan X

___________________________________________________________________________

___________________________________________________________________________

(1mark)

(b) Based on your answer in (a), what happened to the distance when a smooth surface is used?Berpandukan jawapan anda di (a), apakah berlaku pada jarak apabila permukaan licin digunakan?

___________________________________________________________________________

(1 mark)

(c) In this experiment, what is:Dalam eksperimen ini, apakah yang:

(i) kept the same (fixed variable)?dikekalkan sama (pembolehubah dimalarkan)?

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(1 mark)

(ii) changed (manipulated variable)?diubah (pembolehubah dimanipulasi)?

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(1 mark)

(iii) measured (responding variable)?diukur (pembolehubah bergerakbalas)?

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(1 mark)

4

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1 the picture below shows four aquariums

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