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SECTION B

Answer all the question.

1. The Table 1 shows the time taken to cross the Hindi Ocean from Malaysia to

Jeddah using different types of transportation.

Types of transportation Time taken to travelSailing boat 35 days

Steam boat 25 days

Cruiser 15 days

a) What you can infer from the table?

__________________________________________________________________

__________________________________________________________________

(1 mark)

b) In this table, decide whatt is:

i. changed: __________________________________________________

ii kept the same:______________________________________________

( 2 marks )

c) What conclusion can you make ?

________________________________________________________________

________________________________________________________________

( 1 mark )

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2. Mr Bakhtiar writes 15 sets of numbers on the blackboard. The pupils are asked to

observe the numbers for 10 minutes. Mr. Bakhtiar erases all the numbers and then

asks the pupils to rewrite all the number again.

11

10

9

8

7

6

5

4

3

2

1

Ali Leong Ramesh Abu Names of pupils

The result are recorded in graph above.

a) What is the purpose of this investigating?

__________________________________________________________________

__________________________________________________________________

( 1 mark)

b) In this investigation, state the thing that is

i. kept the same:_________________________________________

ii. Observe :________________________________________

( 2 mark )

c) State the relationship between the two variable in the graph.

__________________________________________________________________

__________________________________________________________________

( 1 mark )

Setofnumbersthatcanberemembered

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3. The table below shows the area of land that is able to be ploughed by using certain

methods within 30 minutes.

MethodArea of land that is able to be

ploughed (m)

Time taken ( min)

Using machinery 75 30

Using an animals 50 30

Using a hoe 25 30

a) What is the purpose of the investigation?

__________________________________________________________________

__________________________________________________________________

( 1 mark)

b) In this investigation ,state the two factors involved.

i.________________________________________________________

ii.________________________________________________________

( 1 marks)

c) What is the relationship between the two factors in (b) above?

__________________________________________________________________

__________________________________________________________________

( 1 mark)

d) What is the trend of area of land that is able to be ploughed from olden

time?

________________________________________________________________

( 1 mark )

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4. In one investigation, 30 types of goods are shown to four differently aged

participants. After 10 minutes, they have to write down all the goods. The number

of goods that can be memorized by each participant are recorded in the table

below.

Age of participants Number of goods memorised

12 20

14 22

25 18

50 10

a) What observation can you make from this investigation?

____________________________________________________________________________________________________________________________________

( 1 mark )

b) State your inference for the observation in (a).

__________________________________________________________________

__________________________________________________________________

( 1 mark )

c) Write the pattern for the number of goods memorised.

________________________________________________________________

( 1 mark )

d) What conclusion can you make for the investigation?

__________________________________________________________________

__________________________________________________________________

( 1 mark )

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5. The following table shows some information on two factories.

Factory P Factory Q

Total number of workers 50 50

Total number of machines 5 10Total number of units produced per month 150 unit 300 unit

a) State one inference to explain the difference in the total number of units

produced per month by factory P and factory Q.

__________________________________________________________________

__________________________________________________________________

( 1 mark )

b) State one observation to support your inference in (a).__________________________________________________________________

__________________________________________________________________

( 1 mark )

c) Suggest one hypothesis based on your inference in (a)

__________________________________________________________________

__________________________________________________________________

( 1 mark )

c) Predict the total number of units produced per month if a total number of

machines is 20.

__________________________________________________________________

( 1 mark )

END OF QUESTIONS