Draf Sc Y4 UP4

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CONFIDENTIAL018SCIENCE

UP 41 hour 15 min

SEKOLAH KEBANGSAAN DESA PANDAN KUALA LUMPUR

UJIAN PRESTASI 4

YEAR FOUR

2007

SCIENCE

1 hour 15 minutes

DO NOT OPEN THIS PAPER UNLESS YOU ARE TOLD TO DO SO

NAME : _________________________________________

CLASS : _________________________________________

MARKS : ______ / 100

PARENTS SIGNATURE : __________________

INSTRUCTIONS:1. This paper consists of 2 papers: Paper 1 30 questions (60%)

Paper 2 2 sections (40%)2. Read the questions carefully before you proceed with the answer.3. Answer all questions.4. If you wish to change your answer, erase the incorrect answer. Then write down the new

answer.5. This question paper must be handed at the end of the examination.

This question paper has 14 printed pages.

PAPER 1: MCQ QUESTIONS

SKDPKL CONFIDENTIAL[NEXT

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[60 marks]

Answerallquestions.

Every question is followed by four options A, B, C andD. Choose the correct answer.Then, blacken only one space for each question on the answer sheet.The time suggested for this section is 45 minutes.If you are unable to answer any question, proceed to the next question.

1 The figure below shows a rectangle.

The area of the rectangle is 273cm2. What is the width of the part labelled Z if thelength labelled as Y is 21cm?

A 12cmB 13cmC 14cmD 15cm

2Arini pours

250cm3

of water into a measuring cylinder. Then, she puts a stone intothe water in the measuring cylinder. The reading of the measuring cylinder shows305cm3. What is the volume of the stone?

A 45cm3

B 50cm3

C 55cm3D 60cm3

3 The following figure shows a sketch of an object on a piece of graph paper.

The area of the object is


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A 23cm2.B 30cm2.C 33cm2.D 38cm2.

4 The figure below shows the volumes of water in a measuring cylinder before andafter two identical keys were put into it.

What is the volume of one key?

A 5cm3B 10cm3

C 12cm3

D 20cm3

5 Zaza uses 10 cans of water to fill a basin. The maximum volume of each can is250ml. What is the volume of the basin?

A 2500mlB 2800mlC 3000mlD 3200ml

6 The figure below shows an experiment carried out by a student.

Which of the following is true about this experiment?

I The volume of a magnet is 15cm3.


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II The volume of each marble is 6cm3.III The volume for three marbles is 18cm3.

A I and II onlyB I and III only

C II and III onlyD I, II and III

7 Which of the following liquids are measured in litres?

I Diesel in a tankII Cough syrup prescribed by a doctorIII Corn oil in a supermarket

A I and II onlyB I and III only

C II and III onlyD I, II and III

8 The mass of a bag of pineapples is 3500g. How many pineapples are there in theplastic bag if each pineapple has the mass of 700g?

A 3 pineapplesB 4 pineapplesC 5 pineapplesD 6 pineapples

9The figure below shows the mass of a papaya measured using an electronicbalance and a beam balance.

What is the mass ofeach lime if the papaya has the same mass as 10 limes?

A 10gB 100gC 300gD 3000g

10 The following table shows the groceries bought by Puan Sahara.


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Item Flour Rice Sugar Salt

Mass(kg)

2 10 1.5 0.5

The arrangement of the groceries according to their mass in decreasing order isA rice, flour, sugar, salt.B rice, sugar, flour, salt.C salt, sugar, flour, rice.D sugar, salt, flour, rice.

11 The diagram below shows the comparison of the masses of three different objects.

Which of the following is true about the diagram above?

I The banana is heavier than the fish.II The apple has the same mass as the banana.

III The fish is lighter than the apple.

A I and II onlyB I and III onlyC II and III onlyD I, II and III

12

The line shown in Figure above can be measured using

A a rulerB a ropeC a string and a ropeD a string and a ruler


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13 The table below shows the results of a 400 metres race.

Name Johan Jofry Kiki LaraTimetaken

85seconds

1.5minutes

0.95minutes

90seconds

Who ran the fastest?

A JohanB JofriC KikiD Lara

14 Everyday Desy goes to school at 6.50 a.m. She arrives at school at 7.15 a.m. Howlong does it take for Desy to go to school and return home daily?

A 25 minutesB 30 minutesC 50 minutesD 60 minutes

15 Which of the following is used to measure time during time ofancient Greeks andRomans?

A Wall clockB StopwatchC Digital clock

D Sundial

16 The swing of the pendulum is affected by

A the mass of the pendulum.B the structure of the pendulum.C the thickness of the thread.D the length of the pendulum.

17 Which of the following sports depends on the fastest time for the competitors towin?

A FootballB Bicycle raceC TennisD Badminton


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18 What material is X in the figure below?

A WoodB RubberC GlassD Plastic

19 The object shown in the picture below is made of plastic.

What property of plastic makes it suitable for this object?

A It can stretch.B It makes the object float.C It is non-absorbent.D

It conducts heat.

20 The figure below shows a pair of glasses.

What are the properties of the materials X and Y which make them suitable for theglasses?

X Y

A Transparent SoftB Translucent Strong

C Transparent StrongD Translucent Soft

21 What is the best way to keep hot food for a picnic?


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A Keep the food in a polystyrene box.B Keep the food in a plastic bag.C Wrap the food with paper.D Keep the food in a cardboard box.

22 The following picture shows a 3-pin plug.

What materials are used for making the parts labelled R, S and T?

R S T

A Metal Plastic Rubber B Plastic Plastic Rubber

C Metal Wood PlasticD Plastic Metal Plastic

23 What is meant by a natural material?

A Material that can be used directly from its source.B Material that can be found on the Earths crust.C Material that comes from animals, the soil and plants.D Material not mixed with any other material.

24 Where does silk come from and what type of material is it?

I It comes from plants.II It comes from animals.

III It is a natural material.

IV It is a man-made material.

A II onlyB I and III onlyC II and III onlyD II and IV only

25 Which of the following are synthetic fabrics?


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I RayonII NylonIII CottonIV Polyester

A I and II onlyB I, II and III onlyC I, II and IV onlyD II, III and IV only

26 Rusting causes the change in

I colour of a substance.II strength of a substance.III shape of a substance.

IV weight of a substance.

A I and II onlyB I, II and III onlyC I, II and IV onlyD I, II, III and IV

A food tin is coated with a substance X to prevent rusting.

27 What property of substance X makes it suitable to be used to prevent rusting?

AWaterproofB Smooth

C HeatproofD Shiny

28 What can be observed in both test tubes in the figure below after one week?


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Nail P Nail Q

A Not rusty RustyB Not rusty Not rustyC Rusty Rusty

D Rusty Not rusty

29 What is the best method to prevent the rusting of the iron fence of a house?

A Coating with greaseB Coating with leadC PaintingD Coating with oil

30 An iron rod is immersed in boiled tap water. Then the water is covered with a layer ofoil. What will happen after one week?

A The iron rod has rusted.B The iron rod has not rusted.C The oil has become reddish.D The water has become muddy.

NAME:____________________________________ CLASS:_____________


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PAPER 2: STRUCTURED QUESTIONS[40 marks]Time suggested: 30 minutes

SECTION A

Instruction:Answerall the questions. Write your answers in the spaces provided.

1 In the figure below, R, S and T are sources of natural materials.

(a) Name the sources, R, S and T.

i. R: _________________________________________________________

ii. S: _________________________________________________________

iii. T: _________________________________________________________[3 marks]

(b) Give two other examples of substances from source T.

i._______________________________________________________________

ii.______________________________________________________________[2 markS]


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2 The following table shows the time for three students going to school and the timethey arrive at the school.

Student Kabir Melati Farouq

Time to go to school 6.30 a.m. 6.25 a.m. 6.00 a.m.Time arrive at school 7.25 a.m. 7.05 a.m. 7.10 a.m.

(a) State the time taken for each student to go to school and back home everyday.

i. Kabir : _______________________________________________

ii. Melati : _______________________________________________

iii. Farouq : _______________________________________________

[3 marks]

(b) i. Who takes the longest time to arrive at school?

_____________________________________________________________

ii. Name a device that can be use to measure time.

_____________________________________________________________

[2 marks]


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SECTION B

Instruction:Answerall the questions. Write your answers in the spaces provided.

1 The graph below shows the results of an experiment to study the volume of

water produced from ice in a measuring cylinder when ice melts and time.

(a) What is the relationship (making hypothesis) between the changes ofvolume of water with time?

_______________________________________________________________[1 mark]

(b) What will happen (making prediction) if the ice is heated?_______________________________________________________________

[1 mark](c) State the following

i. What must be changed? (manipulated variables)_____________________________________________________________

ii. What must be measured? (responding variables)_____________________________________________________________

[2 marks](d) Predict the volume of waterafter 60 minutes.

_______________________________________________________________[1 mark]


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2 A group of students carry out an experiment. The results of the experiment areshown in the table below.

Substance Length after a 25 g weight is hung (cm)

A rubber band 10

A length of raffia 8A bicycles inner tube 9

(a) What is the purpose of carrying out this investigation? (aim)

______________________________________________________________

______________________________________________________________

[1 mark](b) In this experiment

i. what must be changed? (manipulated variables)

______________________________________________________________

ii. what must be kept the same? (controlled/constant/fixed variables)

______________________________________________________________

iii. what must be measured? (responding variables)

_____________________________________________________________[3 marks]

(c) What have you learnt from the experiment? (conclusion)

_______________________________________________________________

_______________________________________________________________

[1mark]

END OF QUESTION PAPER

Prepared by, Checked by, Verified by,

..

(NOORZALINA ZAINAL ABIDIN) (PADZILAH ABD RAHMAN) (KHALILAH YAHAYA)

Year Four Science Teacher The Head of Science Panel Headmistress


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SK Desa Pandan,KL SK Desa Pandan,KL SK Desa Pandan,KL


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Draf Sc Y4 UP4

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