Mid-Term Examination y6

7/27/2019 Mid-Term Examination y6

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Mid-term examination (Theme 1 – Theme 3)

Section A Duration: One hour fifteen minutes

[30 marks]

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 Figure 1 shows two characteristics of a species.

Figure 1

What is X ?

A Elephant

B Ants

C Tiger

D Eagle

2 Figure 2 shows three animals that live in a habitat.

Figure 2

The competition among these animals will be more

intense if the habitat has only limited supply of

A sunlight

B tree

C grass

D mate

3 Figure 3 shows animals that are commonly hunted by

humans.

Figure 3Which of the following is true about these animals?

I All these animals are protected by laws

II Poachers hunt them for their body parts

III The animal was killed because they disturb human

activities

A I and II only

B I and III only

C II and III only

D I, II and III

4 Which of the following activities is not the cause of extinction of some species?

A Excessive conservation

B Excessive development

C Illegal and excessive logging

D Illegal and excessive hunting

5 Figure 4 shows different plants in a rainforest.

Figure 4

Why do the plants have different heights?

A To compete for food

B To compete for mate

C To compete for shelter D To compete for sunlight

6 Improper management of development will cause a lot of

destruction, such as

I landslide

II soil erosion

III water pollution

A I and II only C II and III only

B I and III only D I, II and III

7 Which of the following species is an extinct species?A

B

C

D

8 Applying force to an object canI make stationary object moves.

II change the motion of the object.

III change the colour of the object.

A I and II only C II and III only

B I and III only D I, II and III

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9 Figure 5 shows two groups of people playing tug of war.

Group A Group B

Figure 5

Both teams has equal strength. Suddenly, group B releasesthe rope. What will happen to group A?

A Change size

B Remain still

C Move forward

D Stumble backward

10 Dalia carried out an investigation by rolling a marble on a

sandpaper and measured the distance travelled by the

marble. She repeated the steps on a mirror and newspaper

using the same strength. The distance travelled by the

marble in ascending order is

A mirror → sandpaper → newspaper

B mirror → newspaper → sandpaper

C sandpaper → newspaper → mirror

D sandpaper → mirror → newspaper

11 Which of the following is not the ways to reduce friction?

A Using oil

B Using roller

C Using air cushion

D Using rough material

12 Figure 6 shows a box remains still on a slope.

Figure 6

What force enables the box to remain still on the slope?

A Friction C Pushing

B Magnet D Pulling

13 Figure 7 shows two boxes being pushed by a pupil.

Figure 7

What can be inferred from Figure 7?A The boxes change shape.

B The boxes can be moved.

C The lighter the box, the more pupils are needed.

D The heavier the box, the greater the friction.

14 Figure 8 shows the pattern on a tyre.

Figure 8

What is the usage of the pattern?

A To make the tyre heavier.

B To make the tyre more rigid.

C To make the tyre more beautiful.

D To make the tyre exert more friction.

15 Which of the following is the correct equation for speed?

A Speed = Distance × Time

B Speed = Distance ÷ Time

C Speed = Time ÷ Distance

D Speed = Time + Distance

16 Which of the following is not the units for speed?

A km/h C kg/h

B m/s D cm/s

17 Figure 9 shows a sail boat at the sea.

Figure 9

What force does the ship use to move?

A Pulling force produced by water

B Pulling force produced by wind

C Pushing force produced by wind

D Force of friction produced by water

Questions 18 and 19 are based on Figure 10.

Figure 10 shows the distance covered by four pupils in

30 seconds.

Figure 10

18 Who has the lowest speed?

A Zain C Siva

B Duan D Lam

19 How much longer should Duan run to have the same

distance as Lam?A 10 seconds C 30 seconds

B 20 seconds D 40 seconds

20 A ball was dropped from a height of 2.50 m. It took five

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seconds to reach the ground. What was its speed?

A 0.5 m/s C 7.5 m/s

B 5 m/s D 12.5 m/s

21 P , Q and R are steps of salting process of duck eggs.

Choose the correct sequence of the salting process.

A P → Q → R

B P → R → Q

C Q → P → R

D Q → R → P

22 Which of the following food preservation methods can

slow down the growth and activities of bacteria and fungi

under low temperature?

A Canning

B Cooling

C Pickling

D Salting

23 Figure 11 shows a packet of mixed vegetables.

Figure 11

Why the mixed vegetables can last for a long time in this

packet?

A Bacteria and fungi cannot survive without air.

B Bacteria and fungi cannot survive without water.

C Bacteria and fungi cannot survive without nutrients.

D Bacteria and fungi cannot survive without sunlight.

24 Which of the following is not true about the dried foods?

A The hot sun provides heat to prepare dried food.

B Food that is put on the burning flame under a high

temperature.C Bacteria and fungi cannot survive in dried food.

D The nutrients of dried food can be retained.

25 The following is a list of food.

What is the best method to keep these food, so that the

taste and nutrient will not change?

A Canning C Pickling

B Drying D Freezing

26 Figure 12 shows the examples of canned food.

Figure 12

Which of the following steps are involved in the canning

process?

I Mix with vinegar

II Keep in airtight cans

III Heat under high temperature

A I only

B I and II only

C II and III only

D I, II and III

27 Figure 13 shows a classification of types of waste

materials.

Figure 13

Which of the following represents X , Y and Z ?

28 Figure 14 shows a sign board which is placed beside a

busy road.

Figure 14

The sign board is rusted by acid rain. What is the other

harmful effect that can be caused by acid rain?

A Causes haze

B Causes death

C Causes corrosion of rocks and buildings

D Causes fast spreading of infectious diseases

29 Which of the following does not decay?

© PNI Neuron (M) Sdn. Bhd. (554690-H) 7



A C

Towel Shirt

B D

30 What will happen if waste does not decay?

I Greenhouse effect

II Ruin the beauty of nature

III Attract pests that can cause diseases to humans

IV Destruction to habitats

A I, II and III only

B I, II and IV only

C I, III and IV only

D I, II, III and IV

Glass bottle Woollen gloves

Section B [20

marks]

Answer all the questions. Write your answers in the spaces provided.

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

1 Figure 1 shows the area of logging activities in a forest

and number of soil erosion occurred from year 1975 until

2005.

Figure 1

(a) State one observation based on Figure 1.

_________________________________________

_________________________________________

[1 mark ]

(b) Give one reason of your answer in 1(a).

_________________________________________

_________________________________________

[1 mark ]

(c) State the following variables.

1. Manipulated variables: _________________

_____________________________________

2. Responding variables: _________________

_____________________________________

[2 marks]

(d) What conclusion can you make based on theobservations?

_________________________________________

_________________________________________

[1 mark ]

2 Figure 2 shows a boy riding a bicycle to a directionopposite the direction of wind blow.

Figure 2

(a) What can you infer from the event in Figure 2?

_________________________________________

_________________________________________

[1 mark ]

(b) Give one reason to support your answer in 2(a).

_________________________________________

_________________________________________

[1 mark ]

(c) What is the responding variable based on Figure 2?

_____________________________________

_____________________________________

[1 mark ]

(d) State one effect that caused by force.

_____________________________________

[1 mark ]

(e) What is the inference from the statement above?

_________________________________________

_________________________________________

[1 mark ]

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3 Amy bought two fresh fish from the market. She put one

in the refrigerator and left another one outside. After

leaving it for two days, she took out the fish from the

freezer and compare with the fish that was left outside.

Figure 3 shows the condition of the two fish..

Figure 3

(a) What is the aim of this investigation?

_________________________________________

_________________________________________

[1 mark ]

(b) State two observations.

1. _____________________________________

2. _____________________________________

[2 marks]

(c) Give one reason for any of your answers in 1(b).

_________________________________________

_________________________________________

[1 mark ]

(d) What method of food preservation is used to keep

the fish last longer?

_________________________________________

_________________________________________

[1 mark ]

4 Figure 4 shows the illegal waste disposal into the river.

Figure 4

(a) Give two harmful effects caused by improper waste

disposal as shown in Figure 4.

1. _____________________________________

_____________________________________

2. _____________________________________

_____________________________________

[2 marks]

(b) What is the pollution caused by this activity?

_________________________________________

[1 mark ]

(c) Suggest two methods that should be taken to prevent

this from happening.

1. _____________________________________

_____________________________________

2. _____________________________________

_____________________________________

[2 marks]

© PNI Neuron (M) Sdn. Bhd. (554690-H) 7



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Mid-Term Examination y6