Force and Energy Intervensi-year 4

7/27/2019 Force and Energy Intervensi-year 4

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8 The diagram shows the length of a pencil.

What is the length of the pencil?

A 7 match sticks. C 5 match sticks.B 6 match sticks. D 4 match sticks.

9 Which of the following shows the correct eye position to read the volume of theliquid?

10 Which of the following is the correct formula to calculate the area

A Area = Length Width

B Area = Width Height

C Area = Length Height

D Area = Length Height Width

11 Diagram below shows a square. The area of the square is 35 cm2.

What is meant by area?

A Size of a space.B Size of a surfaceC Distance between two spotsD The measurement of the length, width and height of an object

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A B C D

5cm

7cm

35 cm2


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12 The picture below shows two boys, P and Q playing see-saw at the play ground.

Which of the following is true.

A The boy P has less mass than boy QB The boy P has same mass than boy QC The boy Q has more mass than boy PD The boy Q has less mass than boy P

13 The information below shows the volumes of three cuboids of different sizes.

Which of the following represent the information above?

A

B

C

D

5

P Q

P

The volume of J is greater than KThe volume of L is equal to K

J K LJ


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14 Study the statement below.

Which of the following tool can be used to measure time in the race?

A HourglassB StopwatchC WristwatchD Digitalwatch

15 Diagram shows the different ways to measure time.

P Q R

Which of the following is a process that repeats uniformly?

A R only

B P and Q onlyC P and R onlyD P,Q and R

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Tina has the fastest time in a100 metres race.


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19 What is the standard unit for length?

I MililitreII Milimitre

III Centimetre

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

20 Diagram below shows a lever balance. The total mass on the left is equal to thetotal mass on the right.

Which of the following statement is true?

I Four pieces of X equals to two pieces of YII X and Y have equals massIII Y is two times the mass of X

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

Object Y

0 1 2 3 4 5 6 7 8 9 10

cm

21. The length of object Y is ..

8

X

X

Y


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A 8 cm

B 7 cm

C 6 cm

D 5 cm

22. Which answer below shows the correct arrangement from the biggest to the

smallest length.

A metre, millimeter, centimeter, kilometer

B kilometer, metre, centimeter, millimetre

C centimeter, metre, kilometer, millimeter

D millimeter, centimeter, metre, kilometer

23. The length of the room is 12 metres and the width is 10 metres.

What is the area of the room?

A 100 cm2

B 120 cm2

C 150 cm2

D 200 cm2

24. The information below shows the relationship between the volumes of threeboxes

The volume of box R is greater than box SThe volume of box T is equal to box S

Which of the following represent the information above?

R S T

A

B

C

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D

25. What is meant by length ?

A Size of a space

B Size of surface

C Distance between two spots

D The measurement of the length, width and height of an object

26. The Figure below shows the area

W X Y Z

Area AreaA C

Objects ObjectsW X Y Z W X Y Z

Area AreaB D

Object Objects

W X Y Z W X Y Z

27. Which of the following is not the standard units for length in metric system ?

A MillimeterB CentimeterC MetreD Span

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28. The bar chart shows the times taken by four pupils to run around the school field.

P Q R S Pupil

Who is the winner ?

A P

B Q

C R

D S

3 cm

1 cm6 cm

29. Calculate the volume of the cuboid above .

A 18 cm 3

B 15 cm 3

C 10 cm 3

D 9 cm 3

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Time taken / minute


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30. Which is the correct eye position to read the volume of water ?

A C

B D

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Section B

[20 marks]

The time suggested for this section is 30 minutes.If you are unable to answer any question, proceed to the next question.

Answerall questions.

Write your answers in the spaces provided.

1. Ali carried out a fair test to find the relationship between length of string andthe number of swings in 30 seconds. He used the sametype of pendulumthroughout the fair test.The table shows the result of the fair test.

Pendulum Length of string (cm) Number of swings in 30seconds

W 10 45

X 15 39

Y 34Z 25 30

W

X

Y

Z

a) In this fair test, state

i) What to change: ____________________________________[ 1 mark ]

ii) What to measure :___________________________________

[ 1mark ]

ii) What is kept the same? _______________________________[ 1 mark ]

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String

Pendulum


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b) State the pattern/trend of the number of swings in 30 seconds.

__________________________________________________________

[ 1

mark ]

c) Predict the length of string if the number of swings is 34?

___________________________________________________________

[ 1 mark ]

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2 Diagram shows the result of an investigation carried out by Ali on object X and Ywhen placed in the salt solution.

a) Why does object Y can float higher than object X?

_____________________________________________________[ 1 mark ]

b) What to measure(observe)?

_____________________________________________________[ 1 mark ]

c) What to keep the same?

_____________________________________________________[ 1 mark ]

d) What is the aim of the fair test?

To find the relationship between _______________________

and ______________________________

[ 1 mark ]

e) What is the relationship between mass of object and ability to float?

If the mass of object ___________________, the ability to float

__________________________[ 1 Mark ]

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ObjectY

ObjectX

800 mlSalt

solution


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3. Match the words to the tools correctly

[ 4 marks ]

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Time

Mass

Length

Volume


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4. Name the tools correctly

[ 4 marks ]

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5. Fill in the blanks with the correct word.

1. Length is the distance between two____________.

2._______________is the region of a surface.

3. The area of the________________can be measured by using pieces of stamps.

4. Volume of liquid can be measured by using____________________

5. The processes that___________________ can be used to measure time.

6. Kilometer, kilogram and second are standard units in the _________________

7. The Standard unit of mass in the metric system is the_____________________

8. ___________________ are usually used to measure activities that take a short time.

[ 8 marks ]

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Metric system Stop watch Measuring cyclinder

area

Repeat uniformly Exercise bookpoints

ruler lengthkilogram


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7. A group of students carried out an activity to study the numbers of chest movementand the running distance.The bar chart below shows the results of the activity.

80

70

60

50

40

30

20

10

20 40 60 80 100

a) Based on the investigation, state the following that is:

i) kept the same? (fixed variable)

____________________________________________________________

ii) changed ( manipulated variable)

____________________________________________________________

iii) measured (responding variable)

____________________________________________________________

b) What is the purpose of the investigation?

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Running distance /metre

The numbers of chestmovement in one minute.


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__________________________________________________________________

__________________________________________________________________

c) State the relationship between the running distance and the numbers of chestmovement in one minute.

__________________________________________________________________

__________________________________________________________________

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SCHEME

SCIENCE MODUL YEAR 4 ( MODUL 2 )

SECTION A

QUESTION ANSWER QUESTION ANSWER1 D 11 B

2 C 12 D

3 D 13 C

4 D 14 B

5 C 15 B

6 D 16 D

7 C 17 D

8 D 18 D

9 B 19 C

10 A 20 B

SECTION B

1) a) i) Length of stringii) Number of swings in 30 secondsiii) Size of pendulum

b) Increasec) 20

2) a) Object Y is has less mass than object Xb) Ability to float

c) Size of object/ volume of salt solutiond) mass of aobject and ability to floate) Increase, decrease

3)

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4) a) Hourglassb) Measuring tapec) Measuring cylinderd) Compresion balance

5) 1) points2) Area

3) Exercise book4) measuring cylinder5) repeat uniformly6) metric system7) kilogram8) Stopwatch

6) 1) [ ]

2) [ ]

3) [ ]

4) [ ]

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Force and Energy Intervensi-year 4

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