It Sci Y5 Final Year Examination

FINAL YEAR EXAMINATION (UNIT 1 to UNIT 12) Duration: One hour fifteen minutes

Section A Answer all the questions. Every question is followed by four options A, B, C  and D. Choose the correct answer. The suggested time for this section is 45 minutes. If you unable to answer a question, proceed to the next question. 1 Diagram 1 shows four types of foods produced using microorganism. Y Tempe Tapai

C Both change electrical energy to light energy. D Both change electrical energy to kinetic energy. 5 Which of the following is a carnivore? A Cow B Goat C Lizard D Chicken

Microorganism Bread

Yoghurt Diagram 1

6 Diagram 2 shows the position of the source of light which illuminates an object to form a shadow.

Which of the following can be represented by Y? A

C

B

D

Diagram 2

Which of the following shows the shape of the shadow formed? A C 2 The following information shows the behaviour of animals. • • •

Stay in herds to protect their young. Hide their eggs. Lay large amount of eggs.

B

What is the purpose of these behaviours? A To maintain a balance in nature. B To ensure the survival of their species. C To increase the population of the species. D To make sure their young can be independent.

D

7 Diagram 3 shows the classification of plants according to the way of seed dispersal.

3 The information below shows a food chain in a habitat.

Plant

Water weed → larvae → small fish → big fish

P Lallang Angsana Dandelion

Which of the following is the producer? A Larvae B Small fish C Big fish D Water weed

Q Papaya Durian Rambutan Diagram 3

Which plants can be grouped into P and Q?

4 The information shows two electrical appliances.

P

Q

Electric kettle. Toaster.

A

Okra

Coconut

B

Shorea

Lovegrass

Which of the following is the similarity of the two electrical appliances? A Both change heat energy to electrical energy. B Both change electrical energy to heat energy.

C

Balsam plant

Lotus fruit

D

Tomato

Flame of the forest

• •

8 Diagram 4 shows an investigation. 42

B

D

13 A pupil has difficulty in opening the metal cap of a container. Which of the following diagrams shows the correct way to overcome this problem? A C

Diagram 4

This investigation shows that A light can be bent. B light can be reflected. C light cannot be absorbed. D light travels in a straight line.

B

9 Which of the following statements about a shadow are true? I A shadow is formed when light is blocked by a transparent object. II A dark shadow is formed when light is blocked by an opaque object. III A light shadow is formed when light is blocked by a translucent object. IV The size of shadow of an object increases when the object is placed near to the screen. A I and II B II and III C II and IV D III and IV

D

14 Which of the following process is correctly matched to its description?

10 Diagram 5 shows an investigation carried out by a pupil.

Process

Description

A

Melting

A process that changes water to ice.

B

Boiling

A process that changes water into vapour at a certain temperature.

C

Evaporation

A process that changes water vapour to water.

D

Condensation

A process that changes water at the surface into water vapour.

15 Four pieces of wet towels made of same material and size were dried in four different conditions. Which towel will dry the fastest? A C Diagram 5

The temperature of water decreases when a spoon is placed in it. The temperature of water in which of the following beakers decreases the most? A C

B

B

D

D

16 Diagram 6 shows a classification of matter. Matter Y Petrol Oil

X Key Book

11 Which of the following will happen when a metal bar has lost heat? A The metal bar becomes hotter. B The metal bar will contract. C The temperature of the substance increases. D The temperature of the substance will be the same. 12 Which of the following shows the application of principle of expansion and contraction in our daily life? A C

Z Air Steam

Diagram 6

Which of the following represent X, Y and Z?

43

X

Y

Z

A

Gas

Solid

Liquid

B

Liquid

Solid

Gas

C

Solid

Gas

Liquid

D

Solid

Liquid

A Orion B Scorpio

Gas

17 Diagram 7 shows three containers containing same volume of water.

C Big Dipper D Southern Cross

23 Which of the following constellations can be seen only in the northern sky from April to June? A C

Diagram 7

What conclusion can be made from Diagram 7? A A solid has a fixed mass. B A solid has a definite shape. C A solid has a fixed volume. D A solid cannot be compressed.

B

18 Which of the following substances is alkaline? A Vinegar C Hair conditioner B Cooking oil D Mineral water

24 Which of the following constellations is correctly matched to its description? Constellation

19 The following shows a group of substances. • • •

Which of the following can be classified in the same group as the substances above? I Tomato III Distilled water II Cordial drink IV Washing detergent A I and II C II and IV B II and III D III and IV

Detergent

A

Acidic

Alkaline

Neutral

B

Alkaline

Acidic

Neutral

C

Neutral

Acidic

Alkaline

D

Neutral

Alkaline

Acidic

B

Orion

The brightest star always points

C

Scorpio

Can be seen in the Southern sky

D

Big Dipper

Looks like a hunter

25 Which of the following is the shape of the phase of the Moon on the 1st of the Lunar calendar? A C

20 A pupil classifies detergent, tamarind and cooking oil into three groups. Which of the following classifications is correct? Tamarind

Description

A Southern Cross A group of seven stars

Pineapple juice Yoghurt Tamarind

Cooking oil

D

B

D

26 Diagram 9 shows the position of the shadow of a wooden pole in a school field.

21 Diagram 8 shows a solution being tested with litmus paper. Diagram 9

At what time does the shadow exist? A 9 a.m. C 1 p.m. B 11 a.m. D 3 p.m. 27 The shadow of an object is at its minimum length during A 9:00 in the morning B 11:00 in the morning C 4:00 in the evening D 12:00 in the afternoon

Diagram 8

Which of the following can be solution X? A Salt water C Tea B Toothpaste D Alcohol 22 The following information describes a constellation. • • •

28 Diagram 10 shows four plastic containers J, K, L and M of the same size placed on a table. Three of the containers are filled with sand. A pupil uses the same force to push the four containers.

Made up of four stars Points to the south Can be seen from April to June

Which of the following is the constellation described? © PNI Neuron (M) Sdn. Bhd. (554690-H)

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H

50

56

I

50

33

Table 1

Which of the following models is the most stable? A F C H B G D I

Diagram 10

Which of the following shows the sequence of the containers from the hardest to topple to the easiest? A L, K, M, J B J, K, L, M C K, L, M, J D K, M, L, J

30 Which of the following structures is the most stable? A C

B

D

29 Table 1 shows the base areas and heights of four models. Model

Base area (cm2)

Height (cm)

F

50

45

G

50

28

Section B The time suggested for this section is 30 minutes. If you are unable to answer a question, proceed to the next question. Answer all questions. Write your answers in the spaces provided. (b) (i) What is the trend of change in the number of grasshoppers? _____________________________________ [1 mark] (ii) State one reason (inference) based on the answer in b (i).

1 The bar chart in Diagram 1 shows the number of grasshoppers in a paddy field after a group of birds come into the habitat.

_____________________________________ [1 mark] (c) Write one food chain which occurs in the habitat. ___ _____________________________________ [1 mark] 2 Diagram 2 shows an investigation carried out by a pupil. He measured the temperature of water in the beaker while heating it with a Bunsen burner.

Diagram 1

(a) State the following variables.

(i) What is changed (manipulated variable): _____________________________________ Diagram 2

(ii) What is observed (responding variable): _____________________________________ [2 marks]

The temperature of water taken every 3 minutes is recorded in Table 1. Time (minutes) 45

Temperature (°C)

0

30

3

45

6

60

9

75

12

90

15

100

18

100

(b) If liquids X and Y are tested using red and blue litmus papers, predict the observation that can be made on the litmus papers. X : _____________________________________ Y : _____________________________________ [2 marks] (c) Given another example of substance which has similar properties with X. ________________________________________ [1 mark]

Table 1

(a) Describe the trend of changes in the water temperature from the beginning until the ending of this investigation. ________________________________________ [1 mark] (b) Why does the temperature of water increase? ________________________________________ [1 mark] (c) State the process involved in this investigation. ________________________________________ [1 mark] (d) Predict the temperature of water in the 4th minutes. ________________________________________ [1 mark] (e) The volume of water in the beaker decreases after 21 minutes. Explain why. ________________________________________ [1 mark]

4 Diagram 4 shows the different positions when the Moon revolves around the Earth.

Diagram 4

(a) State the phases of the Moon at the following positions.

3 Diagram 3 shows the apparatus set-up of an activity carried by a group of pupils. When a glass of cold pineapple juice is placed on a table, tiny drops of water start to form on the outer wall of the glass. The pupils tasted both liquids X and Y.

K : _____________________________________ L : _____________________________________ [2 marks] (b) What causes the different phases of the Moon? ________________________________________ [1 mark] (c) Explain your answer in (b). ________________________________________ [1 mark]

(a) What most probably be the taste of X and Y?

(d) Why the Moon cannot be seen during daytime? ________________________________________ [1 mark]

X : _____________________________________ Y : _____________________________________ [2 marks]

© PNI Neuron (M) Sdn. Bhd. (554690-H)

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