Integrated Science – Year 8 – L5 to L8 – 2017 Page 1 of 12

DIRECTORATE FOR QUALITY AND STANDARDS IN EDUCATION

Department for Curriculum Management

Educational Assessment Unit

Annual Examination 2017

YEAR 8 INTEGRATED SCIENCE TIME: 1h 30min

Name: ____________________________________ Class: _________________

ANSWER ALL QUESTIONS

1. A restaurant offers FIVE meals. These meals appear on the Menu, as shown below.

From the above meals, choose the one that:

a) is needed for growth and repair of damaged cells. ______________________________

b) is suitable for an athlete before a race. _______________________________________

c) may cause tooth decay.____________________________________________________

d) is rich in fibre.___________________________________________________________

(4 marks)

LEVELS

5 – 6 – 7 – 8

Page 2 of 12 Integrated Science – Year 8 – L5 to L8 – 2017

2. During a gymnastics session, the students discussed how the heart works.

a) Name one student whose statement is incorrect. Explain why it is incorrect.

Name of Student: _______________________

Reason:________________________________________________________________

______________________________________________________________________

(2 marks)

b) Explain why:

the heart pumps faster during and immediately after exercise.

______________________________________________________________________

(1 mark)

c) Lucy explains that smoking is an unhealthy habit.

i) Name ONE harmful chemical found in cigarette smoke.

__________________________

ii) Lucy explained to her friends that a smoker is often out of breath. Explain why.

____________________________________________________________________

____________________________________________________________________

(2 marks)

Integrated Science – Year 8 – L5 to L8 – 2017 Page 3 of 12

3. Jacob crashed with his bike and scratched his knee.

Some dirt entered the cut and got infected.

a) State ONE way he could avoid getting an infection

in his wound.

________________________________________________________________________

(1 mark)

b) Some micro-organisms are useful. State ONE way how fungi and bacteria can be useful:

Fungi:__________________________________________________________________

Bacteria:________________________________________________________________

(2 marks)

Edward Jenner was a doctor. He noticed that people who suffered from a disease called

Cowpox did not catch Smallpox.

c) Underline the correct word:

As a scientist, Edward Jenner made an important

measurement observation story

(1 mark)

d) Jenner carried out some tests on many people. He tested if Cowpox could stop people

from getting Smallpox.

i) Why did Jenner carry out the same experiment on many people?

_______________________________________________________________________

(1 mark)

ii) State ONE reason why people suffering from Cowpox did not catch the Smallpox

virus.

_____________________________________________________________________

_____________________________________________________________________

(1 mark)

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4. a) Fill in the following sentences using words from the table below:

i) _________________ and _________________ are elements.

ii) _________________ is a compound.

iii) A chemical made up of only one type of atom is called a/an _________________.

iv) S is the symbol for _________________and Cu is the symbol for ________________.

v) _________________ is a metal.

vi) _________________ is a good conductor of electricity.

(8 marks)

b) Match each statement to the atoms and molecules in the boxes below:

(3 marks)

Oxygen Carbon dioxide Compound Element

Aluminium Sulfur Copper Sodium chloride

A mixture of a compound and

two elements

Atoms of one element

A compound

Integrated Science – Year 8 – L5 to L8 – 2017 Page 5 of 12

c) The picture shows Susan’s

kitchen just before dinner.

State whether each of the

following activities taking

place in the kitchen show

a physical or chemical

change.

Change Physical/Chemical

1. Lighting a match

2. Baking a cake

3. Spilling milk on the floor

4. Boiling water

5. Cutting bread

(5 marks)

5. Amy is preparing a cup of coffee for her mum.

a) Coffee dissolves in hot water. Complete the following sentences using some words

from the table below:

solute solvent solution soluble

The water that is used to make the coffee dissolve is called the __________________.

The coffee that dissolves in the water is called the __________________ and the

mixture of coffee and hot water that forms is the __________________.

(3 marks)

1

5

2

4

3

Page 6 of 12 Integrated Science – Year 8 – L5 to L8 – 2017

b) Clara wanted to separate a mixture of iron pins, soil and salt. She carried out three steps

to separate the mixture.

Fill in the table below to show what she obtained at each step:

Step Method What she obtained.

1 Use a magnet.

2 Add water and filter the mixture.

3 Heat the mixture to evaporate the water.

(3 marks)

6. Nathan was walking in a dark room. When he switched on the light, he saw the

armchair.

a) On the diagram below draw arrows to show how Nathan could see the armchair.

(2 marks)

Integrated Science – Year 8 – L5 to L8 – 2017 Page 7 of 12

b) Sam and Bob were playing together. Complete the following sentences by underlining

the correct word.

Sam cannot see Bob from behind the bushes because (light, sound) cannot pass through.

Light travels in a (bent, straight) line. Sam uses a periscope with two (lenses, mirrors). The

light (reflects, turns) such that Sam could see Bob. (4 marks)

c) The diagram below shows the human ear. Name the parts labelled A and B.

A = _____________________________ B = ___________________________(2 marks)

Bob

Sam

Periscope

Page 8 of 12 Integrated Science – Year 8 – L5 to L8 – 2017

7. The picture below shows a crime

scene. Yesterday night, some

thieves entered a baker’s shop.

They stole money and injured

the baker. The ambulance

carried the baker to hospital

while the police gathered

evidence from the crime scene.

a) Name ONE evidence shown in the picture which the policemen marked.

_______________________________________________________________(1 mark)

b) On the bench, the policemen found some bitten muffins. Name the type of tooth thieves

used to

i) bite the muffins. _________________

ii) chew the muffins. ________________

(2 marks)

c) Before collecting evidence from the crime scene, the police wore gloves. Why was this

important?

______________________________________________________________________

(1 mark)

d) Running away from the policemen, a thief lost one shoe. Circle the shoe that belonged

to the thief.

(1 mark)

Integrated Science – Year 8 – L5 to L8 – 2017 Page 9 of 12

e) At the base of the lost shoe, the

policemen found pieces of crushed

leaves. They carried out a leaf

chromatography to find out which

types of leaves were present.

i) Which colour in the leaves is

most soluble in water? __________________________

ii) Give one reason for your answer. _________________________________________

iii) What colours are red leaves made up of? ___________________________________

(3 marks)

8. Long time ago, people had different ideas about the Earth and the Sun. For example, they

believed the Earth was flat.

a) Tick () THREE correct statements from the list below.

The night is dark because thick clouds cover the Sun.

The Earth orbits the Sun.

The Earth spins on its own axis.

The Sun is the largest satellite.

The Moon orbits the Earth

(3 marks)

b) Use ONE statement from the list above to complete the sentence below:

The Sun appears to move across the sky every day because

_______________________________________________________________(1 mark)

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c) Sometimes, clouds cover different parts of the Earth.

Rain is falling from the clouds.

i) Draw an arrow for each cloud to show the direction

the rain is falling.

(2 marks)

ii) Explain why you drew the arrows that way.

_____________________________________________________________ (1 mark)

d) Study the picture below then answer the questions that follow:

i) How long does Earth take to go from A to B? ________________________ (1 mark)

ii) On Earth labelled A, shade where you would find summer. (1 mark)

iii) Explain why there are seasons on Earth. ___________________________________

_______________________________________________________________(2 marks)

e) On the diagram below, draw the Moon during a solar eclipse.

(1 mark)

Sun Earth

Integrated Science – Year 8 – L5 to L8 – 2017 Page 11 of 12

f) The following are FOUR planets in our solar system. Put them in the right order

starting from the one nearest to the Sun. The first one has been done for you.

Mars Neptune Mercury Jupiter

1

(1 mark)

g) Explain why planet Venus is not a luminous object but we can still see it in the night

sky. ____________________________________________________________(1 mark)

9. During a Science fieldwork trip, students studied rock pools; a common habitat in the

Maltese Islands. Rock pools are small holes by the sea which are filled with water.

a) Circle TWO organisms students could observe in this habitat.

(2 marks)

b) Look at the diagram below. The students tested rock pools A, B and C. They used a

meter to find out how salty the rock pools are. They found that the water in rock pool C

was saltier. Explain why this could be so. (2 marks)

______________________________________________________________________

______________________________________________________________________

c) The students observed glass fragments and plastic bags lying around the seashore.

Explain how these may have a negative impact on marine life. (1 mark)

______________________________________________________________________

______________________________________________________________________

Page 12 of 12 Integrated Science – Year 8 – L5 to L8 – 2017

10. The science teacher asked students to write comments about climate change.

a) In each case circle whether you agree or disagree and explain your decision. (8 marks)

b) When planning their new house, Ruth and John decided to have an environment-

friendly house and invest in renewable energy.

i) Explain the term ‘renewable’.

______________________________________________

ii) Name ONE type of renewable energy source, Ruth and John can use in their house.

____________________________________________________________________

c) Using renewable energy at home would reduce the burning of fossil fuels. Name:

i) ONE example of fossil fuel.

_______________________________________________

ii) a gas produced during combustion of fossil fuels.

______________________________

iii) the type of energy given out when fuels burn.

_________________________________

(5 marks)

END OF PAPER. CHECK YOUR WORK AGAIN

It is better for the environment to buy locally

grown vegetables.

Global warming may cause flooding. This

can cause polar bears to become extinct.

The three R’s refer to Reduce, React and

Repeat.

Agree / Disagree

Reason:

__________________________

__________________________

__________________________

__________

Climate change is a natural process. Nobody

can do anything about it.

Agree / Disagree

Reason:

__________________________

__________________________

__________________________

__________

Agree / Disagree

Reason:

__________________________

__________________________

__________________________

__________

Agree / Disagree

Reason:

__________________________

__________________________

__________________________

__________