SECTION A [30 marks] Time: 45 minutes

Name:____________________ Class : ___________________ Date : _______

SECTION B [20 marks]

Time: 30 minutes

Answer all the questions.

Write your answers in the spaces provided.

1 A group of pupils carry out an activity. Two rats are kept separately in two containers as shown in the diagram below. Both containers are left for four days.

(a) What do they want to find out?

_______________________________________________________________________

[1 mark]

(b) State the following.

i. What must be changed?

____________________________________________________________________

ii. What must be kept the same?

______________________________________________________________________

[2 marks]

(c) Predict what will happen to the rats in both containers after four days.

________________________________________________________________________

[1 mark]

(d) Give one reason for your answer in (c).

________________________________________________________________________

[1 mark]

2 A student carries out an experiment to show that sunlight is a basic need of plants.

(a) Predict what will happen to the plants P and Q after two weeks.

i. P: ___________________________________________________________________

ii. Q: ___________________________________________________________________

[2 marks]

(b) Give the reason for each answer in (a).

i. P: ___________________________________________________________________

ii. Q: __________________________________________________________________

[2 marks]

(c) What can the student learn from the experiment?

_______________________________________________________________________

[1 mark]

3 The figure below shows the breathing organs of a human during inhalation and exhalation.

(a) How does the size of our lungs change when we

i. inhale air?

______________________________________________________________________

ii. exhale air?

______________________________________________________________________

[2 marks]

(b) State what component of the air

i. is inhaled into our lungs.

_____________________________________________________________________

ii. is exhaled from our lungs.

_____________________________________________________________________

[2 marks]

(c) What is the difference between the air that we inhale and the air that we exhale?

_______________________________________________________________________

[1 mark]

4 The figure below shows the breathing organs of certain animals.

(a) Mark the breathing organs of the animals with arrows.

[2 marks]

(b) Name two other animals which have the same breathing organs as P and R.

i. P: ______________________________________________________________________

ii. R: _____________________________________________________________________

[2 marks]

(c) What gas is excreted by the animals above?

_______________________________________________________________________

[1 mark]

Name:____________________ Class : ___________________ Date : _______

SECTION B [20 marks]

Time: 30 minutes

Answer all the questions.

Write your answers in the spaces provided.

1 The following table shows the total arm span used by different students to measure the length of a classroom.

NameJian XiMimiKumariLaili

Total of arm span12151113

(a) Who will be the first finish measuring the length of the classroom?

_____________________________________________________________________

[1 mark]

(b) What can be said based on the table above?

_____________________________________________________________________

[1 mark]

(c) State the following.

i. What must be changed?

___________________________________________________________________

ii. What must be measured?

___________________________________________________________________

iii. What must be kept the same?

___________________________________________________________________

[3 marks]

(d) Suggest a method to measure the length of the classroom accurately.

_____________________________________________________________________

[1 mark]

2 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 between the changes of volume of water with time?

_____________________________________________________________________

[1 mark]

(b) What happens if the ice is heated?

_____________________________________________________________________

[1 mark]

(c) State the following.

i. What must be changed?

____________________________________________________________________

ii. What must be measured?

___________________________________________________________________

[2 marks]

(d) Predict the volume of water after 60 minutes.

_____________________________________________________________________

[1 mark]

3 A student measures the masses of a ceramic glass and a plastic glass using an electronic balance as shown in the figure below.

(a) What can be observed from the above figure?

_____________________________________________________________________

[1 mark]

(b) What is the mass of the glasses in kilogram (kg) unit?

i. Ceramic glass: _______________________________________________________

ii. Plastic glass: _______________________________________________________

[2 marks]

(c) What can be learnt from this experiment?

_____________________________________________________________________

[1 mark]

4 The following table shows the time for four students going to school and the time they arrive at the school.

StudentAlanCheng PengFarizRamesh

Time to go to school6.30 a.m.6.25 a.m.6.00 a.m.7.00 a.m.

Time arrive at school7.25 a.m.7.05 a.m.7.10 a.m.7.15 a.m.

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

i. Alan: ______________________________________________________________

ii. Cheng Peng: ________________________________________________________

iii. Fariz: _____________________________________________________________

iv. Ramesh: ___________________________________________________________

[2 marks]

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

____________________________________________________________________

ii. Give a reason for your answer in (b)i.

____________________________________________________________________

[2 marks]

(c) What is the average time taken for each student to go to school?

_____________________________________________________________________

[1 mark]

Name:____________________ Class : ___________________ Date : _______

SECTION B [20 marks]

Time: 30 minutes

Write your answers in the spaces provided.

1 A group of students carry out an experiment. The results of the experiment are shown in the table below.

SubstanceInitial length/cmLength after a 25 g weight is hung/cm

A rubber band810

A length of raffia88

A bicycles inner tube89

(a)What can be said about the properties of the three substances?

1. ______________________________________________________________________

2. ______________________________________________________________________

[2 marks]

(b) In this experiment

i. what must be changed?

______________________________________________________________________

ii. what must be kept the same?

______________________________________________________________________

[2 marks]

(c) What can the students learn from the experiment?

________________________________________________________________________

________________________________________________________________________

[1 mark]

2 Three blocks of different materials of the same size are dropped into water in a container. The positions of the blocks in water are shown in the figure below.

(a) Write one hypothesis for the experiment?

________________________________________________________________________

[1 mark]

(b) State the relationship between the type of materials and its ability to float.

________________________________________________________________________

[1 mark]

(c) What must be changed in the experiment?

________________________________________________________________________

[1 mark]

(d) Explain the meaning of flotation.

________________________________________________________________________

[1 mark]

3The graph in the figure below shows the amount of wood and plastic used in a factory from 1996 to 2004.

(a)State how the amounts of wood and plastic used change from 1996 to 2004.

i. The amount of wood used.

______________________________________________________________________

ii. The amount of plastic used.

______________________________________________________________________

[1 mark]

(b) Based on the information in the figure above, how is the use of a natural material affected by the use of a synthetic material?

________________________________________________________________________

[1 mark]

(c) Why does the owner of the factory use more plastic?

________________________________________________________________________

[1 mark]

4 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: ___________________________________________________________________

[1 mark]

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

________________________________________________________________________

[1 mark]

(c) What can be learnt concerning the sources of natural materials?

________________________________________________________________________

[1 mark]

5 The diagram below shows the apparatus set up by a student in an investigation.

(a) Predict what will happen to steel wool P and steel wool Q after a week.

________________________________________________________________________

[1 mark]

(b) Explain your answer in (a).

1. ______________________________________________________________________

______________________________________________________________________

2. ______________________________________________________________________

______________________________________________________________________

[2 marks]

(c) State two methods for preventing rust.

1. ______________________________________________________________________

2. ______________________________________________________________________

[2 marks]Name:____________________ Class : ___________________ Date : _______

SECTION B [20 marks]

Time: 30 minutes

Answer all the questions.

1 The following table shows the time taken by some planets to finish its cycle in the Solar System.

PlanetThe time of the cycle

Mercury 88 days

Earth 365 days

Jupiter 4337 days

Pluto 90 666 days

(a)Why is planet Pluto takes the longest time?

________________________________________________________________________

[1 mark]

(b)Which planet is the nearest to the Sun?

________________________________________________________________________

[1 mark]

(c) Which planet has different orbit from other planets?

________________________________________________________________________

[1 mark]

(d) The planets are not colliding with each other. Why?

________________________________________________________________________

[1 mark]

2 The figure below shows planets in the Solar System.

(a) Name each planet in the Solar System.

P:

Q:

R:

S:

T:

U:

V:

W:

X:

[3 marks]

(b) What is the centre of the Solar System?

________________________________________________________________________

[1 mark]

(c) Which is the biggest planet?

________________________________________________________________________

[1 mark]

(d) Which planet has the smallest orbit? Why?

________________________________________________________________________

[1 mark]3The following figure shows the simulation to show how planet moving around the Sun.

(a) All students in the figure above have to turn the ball to show how each planet rotates. Which student has to rotate the ball in clockwise direction?

________________________________________________________________________

[1 mark]

(b)Explain your answer in (a).

________________________________________________________________________

________________________________________________________________________

[1 mark]

(c)i. Which is the last student to finish the rotation?

______________________________________________________________________

[1 mark]

ii. Explain your answer in (c) i.

______________________________________________________________________

______________________________________________________________________

[1 mark]

(d)Tick (() the correct statements that can be made from the activity above.

i. The further the planet is from the Sun, the shorter is the time it takes to

rotate round the Sun.

ii. The nearer the planet is to the Sun, the shorter is the time it takes to rotate

round the Sun.

iii. The furthest planet from the Sun takes the longest the time to rotate round

the Sun.

iv. The nearest planet to the Sun takes the longest the time to rotate round

the Sun.

[2 marks]

(e)What happens to a student who does not follow the orbit line as shown in the figure above?

________________________________________________________________________

[1 mark]4The table below shows the average surface temperature of each planet in the Solar System.

PlanetAverage surface temperature (C)

Mercury420

Venus430 480

Earth22

Mars23

Jupiter150

Saturn180

Uranus210

Neptune210

Pluto230

(a)What can be said based on the table above?

________________________________________________________________________

________________________________________________________________________

[1 mark]

(b)Living things can only be found on the Earth. Why are living things not found in the other planets?

________________________________________________________________________

[1 mark]

(c)What can you learnt from the information given in the table above?

________________________________________________________________________

[1 mark]Name:____________________ Class : ___________________ Date : _______

SECTION B [20 marks]

Time: 30 minutes

Write your answers in the spaces provided.

1The picture below shows a group of fishermen at sea.

(a)Fishermen use fishing boats to sail out to sea. Give a reason on this.

________________________________________________________________________

________________________________________________________________________

[1 mark]

(b)Besides a large boat, what else do they need while at sea? State its function.

________________________________________________________________________

[1 mark]

(c)What can be learnt from the picture shown above?

________________________________________________________________________

[1 mark]

2The following table shows the maximum distance from which three students can read the writing on the same card.

StudentGhaniLee ManJamie

Maximum distance5 metres4.5 metres2 metres

(a)What can you observe from this activity?

________________________________________________________________________

[1 mark]

(b)What is the reason for your answer in (a)?

________________________________________________________________________

________________________________________________________________________

[1 mark]

(c)Jamie cannot see objects which are very far away. Name a device that can help him to see better.

________________________________________________________________________

[1 mark]

(d)In this experiment

i. what must be changed?

_____________________________________________________________________

ii. what must be measured?

_____________________________________________________________________

iii. what must be kept the same?

_____________________________________________________________________

[3 marks]

3The pictures below show some devices used in air transport.

(a)Which was the first device used by humans to fly?

________________________________________________________________________

[1 mark]

(b)How did the inventor of the first aeroplane get the idea to innovate the Flyer?

________________________________________________________________________

[1 mark]

(c)Based on the pictures above, arrange the devices according to the development of technology in air transport.

________________________________________________________________________

[1 mark]

(d)State two benefits can we get from the development of technology in air transport.

1. ______________________________________________________________________

2. ______________________________________________________________________

[2 marks]

4The following figure shows the development of technology in construction.

(a)i. Name the invention involved in the figure above.

______________________________________________________________________

ii. What is the purpose of the material mentioned in (a)i?

______________________________________________________________________

[2 marks]

(b)State two differences between living in a cave and living in a flat.

1. ______________________________________________________________________

2. ______________________________________________________________________

[2 marks]

(c)What is the relationship between the materials used in building a flat and the strength of the flat?

________________________________________________________________________

________________________________________________________________________

[1 mark]

(d)Give one disadvantage of this technology to mankind.

________________________________________________________________________

[1 mark]Name:____________________ Class : ___________________ Date : _______

SECTION B [20 marks]

Time: 30 minutes

1 In an experiment, three grasshoppers are put into each of two similar glass jars. The opening of glass jar X is covered with a wire gauze. The opening of glass jar Y is covered with a plastic lid as shown in the following diagram. Both jars are left for several days.

(a) The grasshoppers in which glass jar will die first?

_____________________________________________________________________

[1 mark]

(b) Give a reason for your answer in (a).

_____________________________________________________________________

[1 mark]

(c) What must be changed in this experiment?

_____________________________________________________________________

[1 mark]

(d) Why is the opening of glass jar X covered with a wire gauze?

_____________________________________________________________________

[1 mark]

(e) What can you learn from this experiment?

_____________________________________________________________________

[1 mark]

2 The figure below shows the main organs involved in breathing.

(a) Name the parts labelled P, Q and R.

i. P: _________________________________________________________________

ii. Q: ________________________________________________________________

iii. R: ________________________________________________________________

[3 marks]

(b) What are the waste products eliminated from the body during exhalation?

_____________________________________________________________________

[1 mark]

(c) What is the gas that enters the lungs during inhalation?

_____________________________________________________________________

[1 mark]

3 The diagram below shows a plant which is planted in a basin. Region W is watered every day.

(a) Draw a diagram in the space below to show the condition of the plant after several weeks.

[2 marks]

(b) What conclusion can you make from the experiment?

_____________________________________________________________________

[1 mark]

(c) A potted plant is turned sideways as shown in the diagram below.

i. What will happen to the roots and shoot after a week?

___________________________________________________________________

[1 mark]

ii. What can you learn from the experiment?

___________________________________________________________________

[1 mark]

4 The picture below shows a table. Abu measures the length of the table by using the cubit and a pencil.

The following table shows the results he obtained.

Measuring toolThe length of the table

Pencil9

Cubit3

(a) In this experiment

i. what must be changed?

____________________________________________________________________

ii. what must be measured?

____________________________________________________________________

[2 marks]

(b) Then, Abu compares his answers with the answers of his friends. Are the readings that are obtained by using both measuring tools the same?

_____________________________________________________________________

[1 mark]

(c) What is your reason?

_____________________________________________________________________

[1 mark]

(d) What can you learn from this experiment?

_____________________________________________________________________

[1 mark]Name:____________________ Class : ___________________ Date : _______SECTION B [20 marks]

Time: 30 minutes

Answer all the questions.

Write your answers in the spaces provided.

1 A group of pupils carried out three experiments on balsam plants as shown in the diagram.

Experiment 1Experiment 2Experiment 3

The following table shows the results recorded after a week.

ExperimentResults

Plant APlant B

1AliveDied

2AliveDied

3AliveDied

(a)What do they want to find out from these experiments?

________________________________________________________________________

[1 mark]

(b)State the reasons why plant B died in experiments 1, 2 and 3.

i. Experiment 1: _________________________________________________________

[1 mark]

ii. Experiment 2: _________________________________________________________

[1 mark]

iii. Experiment 3: _________________________________________________________

[1 mark]

(c)What can the pupils learn from these experiments?

________________________________________________________________________

[1 mark]

2Amin carried out an investigation using a pendulum. The bar chart below shows the result ofthe investigation.

(a)What is the trend in the number of pendulum swings as the length increases?

________________________________________________________________________

[1 mark]

(b)State

i. what must be changed: ___________________________________________________

[1 mark]

ii. what must be observed: __________________________________________________

[1 mark]

(c)State one hypothesis for the investigation.

________________________________________________________________________

[1 mark]

(d)Predict the number of pendulum swings if the length of pendulum string is 60 cm.

________________________________________________________________________

[1 mark]

3The diagram below shows an investigation using three sizes of cloth immersed in water.

Instructions:

1. Fill three different beakers with 250 ml of water.

2. Immerse the pieces of cloth P, Q and R of different sizes partially in the water. (P, Q and R are of the same material).

3.After 10 minutes, lift the pieces of cloth from the water.

4.Measure the volume of water left in each beaker.

Result:

BeakerVolume of water left (ml)

X228

Y222

Z216

(a)Why is there a decrease in the volume of water for all the three beakers?

________________________________________________________________________

________________________________________________________________________

[1 mark]

(b)Based on the investigation, state the following.

i. What must be changed?

_____________________________________________________________________

[1 mark]

ii. What must be observed?

_____________________________________________________________________

[1 mark]

iii. What must be kept the same?

_____________________________________________________________________

[1 mark]

(c)Based on the results, state the relationship between (b)i and (b)ii.

________________________________________________________________________

________________________________________________________________________

[1 mark]

(d)Give reasons for the results above.

________________________________________________________________________

________________________________________________________________________

[1 mark]

4The following figure shows the positions of three planets from the Sun.

The following table shows the period for one complete movement of the planets around the Sun.

PlanetPeriod for one complete movement (years)

X2

Y12

Z84

(a)Compare the position of planet X and Z to the Sun.

________________________________________________________________________

[1 mark]

(b)What is the relationship between the position of the planet and the period for one complete movement of the planet round the Sun?

________________________________________________________________________

[1 mark]

(c)Planet S takes 76 years to make one complete round the Sun. Predict the position of planet S.

________________________________________________________________________

[1 mark]

(d)Give a reason based on the statement above.

________________________________________________________________________

[1 mark]

SUMMATIVE TEST 1

SUMMATIVE TEST 2

Summative Test 3

Summative Test 4

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Summative Test 5

FIRST TERM TEST

END-OF-YEAR TEST

The investigation continued using material J and K. J and K are immersed in 250 ml of water respectively.

When material J is used, the volume of water left is 250 ml.

When material K is used, the volume of water left is less than 250 ml.

Planet X is hotter than planet Y.