UPK 1 SAINS f5

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SECTION B (16 marks)

1. The apparatus set up shown in Diagram 1 was used to investigate the change

of state of water. The experiment was carried out at a room temperature of 30⁰C

Table 1 shows the result of the experiment

Apparatus set-up Temperature of water in thebeaker (⁰C)

Amount of water dropletsformed on the outer wall of

the beakerSet A 30 NoneSet B 15 A lot

a) Write one suitable hypothesis for this experiment__________________________________________________________________________________

__________________________________________________________________________________

(1 mark)

b) State the variables that are

i)fixed :.....................................................................

ii) responding :......................................................................

(2 marks)

c) Give one inference for the observation in Set B

__________________________________________________________________________________

__________________________________________________________________________________

(1 mark)

d) Based on the experiment, state the operational definition for condensation

__________________________________________________________________________________ __________________________________________________________________________________

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(1 mark)

2. Diagram 2 shows the resultd of an experiment to study the effect of

temperature on bacterial growth after 2 days

a) State the variables in this experiment

(i) Manipulated variable :.........................................................

(ii) Constant variable :.........................................................

(2 marks)

b) State one hypothesis for this experiment

___________________________________________________________________________ ___________________________________________________________________________

(1 mark)

c) State on inference that can be made based on observation in Diagram 2

___________________________________________________________________________

___________________________________________________________________________

(1 mark)

d) Predict the number of bacteria colony when petri dish with culturedbacteria is kept at 10⁰C

Diagram 2

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___________________________________________________________________________

(1 mark)

3 Diagram 3.1 and diagram 3.2 shows the results of an experiment to

measure the size of image different object distance in a pin hole camera.

a) Measure and write down the size of image in Diagram 3.2

_____________________________________________________________________________

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(1 mark)

b) Based on diagram 3.1 and 3.2, state the observation about the size of image

formed.

_____________________________________________________________________________ (2 marks)

c) State one hypothesis for this experiment

_____________________________________________________________________________

(1 mark)

Mark (√) in Diagram which form an image with the same characteristics as

the image formed in Diagram 3.1

(1 mark)

d) Predict the effect on the image if a convex lens is placed in front of the

pinhole camera.

_____________________________________________________________________________

(1 mark)

Disediakan oleh Disahkan oleh

__________________ ________________

Miss Rozalizda Ghazale, Pn Sharimah

Othman,

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Ketua Panitia Sains Menengah Atas GKMP Sains dan

Matematik

SMK Tun Perak SMK Tun Perak

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SMK TUN PERAK,77000 JASIN MELAKA

UJIAN PENILAIAN 1

SAINS

1 JAM

SECTION A (14 marks)

1.Diagram below shows the arrangement of particles which undergo process

Y

What is process Y?

A. BoilingB. Melting

C. Sublimation

D. Condensation

2.Which of the following shows a chemical change?

A. Ice melting

B. Milk turn sour

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C. Salt dissolving in water

D. Water evaporated from pool

3.Diagram below shows a method of purification.

What is the type of purification method?

A. Filtration

B. Evaporation

C. Distillation

D. Crystallization

4.Which ray diagram will forms image same size as the objects?

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5.Which of the following is not an effect of burning fossil fuel to the

environment?

A. Acid rain

B. Greenhouse effect

C. Global warming

D. Thinning the ozone layer

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6. Diagram shows a physical property of metal

What is the physical property represent above?

A. Metal is poor conductor of electric

B. Metal is good conductor of electric

C. Metal has low boiling point

D. Metal has low melting point

7.Diagram shows a reaction between calcium with water

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What is gas X?

A. Chlorine

B. Oxygen

C. Nitrogen

D. Hydrogen

8.The diagram shows a symbol on a container

What is kept in this container?

A. Concentrated acid

B. Silver bromide

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C. Radioactive substance

D. Natrium hydroxide

9.The diagram shows the structure of a camera

Which part of the camera A,B,C or D has the same function as the iris in

the human eye?

10.The diagram shows microorganisms P,Q,R and S

Which of the following classifications are correct?

Bacteria Protozoa

A. P and S R and Q

B. P and R Q and S

C. R and Q P and S

D. Q and S P and R

11.The diagram shows a type of microorganism

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What is the method of reproduction of this microorganism?

A. Budding

B. Conjugation

C. Binary fission

D. Spore formation

12.What is the effect of radioactive radiation on human health?

A. Stroke

B. Cancer

C. Anorexia

D. Arteriosclerosis

13.Which of the following diseases is caused by virus?

A. Cholera

B. Dengue

C. Malaria

D. Tuberculosis

14.The diagram shows two examples of vector A and B

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What is the disease spread by this vectors?

Vector A Vector BA. Tibi CholeraB. Goiter MalariaC. Cholera Dengue fever

D. Malaria Cholera

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UPK 1 SAINS f5