Science
Stage 4
Paper 2
2022
30 minutes
No additional materials are needed.
INSTRUCTIONS
• Answer all questions.
• Write your answer to each question in the space provided.
• You should show all your working on the question paper.
INFORMATION
• The total mark for this paper is 30.
• The number of marks for each question or part question is shown in brackets [ ].
3132_02_8RP
© UCLES 2022
2
1
Lily heats water in a pan.
water
pan
heat source
(a) Complete the sentence.
The heat is transferred from the heat source to the
the
and
.
[2]
(b) Complete the sentence.
Energy cannot be made, lost, used up or
2
.
[1]
The model of the structure of the Earth has three parts.
Draw a line to match each part to its correct description.
part
description
core
very hot centre
crust
made of molten iron,
rocks and minerals
mantle
outside layer where
life is found
[1]
© UCLES 2022
S/S4/02
3
3
Oliver investigates electrical circuits.
He connects a lamp to a battery.
–
+
The lamp is bright.
Oliver adds another battery to the electrical circuit.
(a) Predict what happens to the lamp.
[1]
(b) Oliver wants to make this investigation a fair test.
What must he keep the same?
[1]
© UCLES 2022
S/S4/02
[Turn over
4
4
Dengue fever is an infectious disease spread by mosquitos.
mosquito
skin
(a) Mosquitos usually live in habitats where there is water and plants.
Describe how they are able to move and feed away from their habitat.
move by
feed by
[2]
(b) Chen asks a question,
‘Are children less than 10 years the most likely to get dengue fever?’
He looks at some information.
number of
people
infected with
dengue fever
09
10 19
20 29 30 39
age in years
40 49
Write an answer to Chen’s question.
Use the information to write two reasons to support your answer.
answer
reason 1
reason 2
[2]
© UCLES 2022
S/S4/02
5
(c) Dengue fever cannot be prevented.
What is used to prevent some kinds of infectious disease?
Circle the correct answer.
food
painkiller
skin cream
vaccination
[1]
5
Rajiv has two electrical circuits, A and B.
off
–
on
on
off
–
+
circuit A
+
circuit B
(a) Complete the sentences.
The electrical circuit that is open is circuit
.
I know this because
.
[1]
(b) Rajiv cuts the wire in electrical circuit B.
Describe what happens to electrical circuit B.
[1]
© UCLES 2022
S/S4/02
[Turn over
6
6
Safia puts ice in a filter funnel at room temperature.
equipment to
measure
temperature
ice
filter funnel
ml
100
90
80
70
60
50
40
30
20
10
measuring cylinder
(a) The ice changes state.
What type of process is this change of state?
Circle the correct answer.
chemical process
cooling process
mixing process
physical process
[1]
(b) What equipment does Safia use to measure temperature?
Circle the correct answer.
forcemeter
measuring tape
ruler
thermometer
[1]
© UCLES 2022
S/S4/02
7
(c) Safia writes down the volume of water collected every minute.
To start with at 0 minutes there is no water.
rock 1
contains fossils and is soft
At
oneareminute
there is 5 ml of water.
there
no crystals
bubbles of gas when acid added
2rock
mins
4 = 10 ml
soft and in layers
has part of a fossil
it fizzes with acid
3 minutes = 25 ml
rock 3
no fossils
andof
hard
and shiny
At
the end
4 mins
I have 52 ml.
layers of crystals
it does not react with the rock
Complete the results table.
time
in minutes
volume
in ml
0
1
10
3
4
[1]
© UCLES 2022
S/S4/02
[Turn over
8
7
Food chains are made of different living organisms.
seaweed
fish
penguin
sea lion
orca
(a) Complete the sentences about this food chain.
The herbivore is the
.
The producer is the
.
Two carnivores are
and
.
[2]
(b) How many predators are there in this food chain?
[1]
© UCLES 2022
S/S4/02
9
8
The particle model is used to explain the properties of solids and liquids.
Complete the table.
solid
closeness of particles
close
arrangement of particles
movement of particles
liquid
random
move by vibrating
diagram
[3]
9
The bones in the arm move.
muscle
muscle
Describe how the muscles move the bones.
[2]
© UCLES 2022
S/S4/02
[Turn over
10
10 Blessy adds two substances to a plastic bottle.
She puts a balloon over the top of the plastic bottle.
balloon
plastic bottle
mixture of two substances
After 5 minutes she looks at the plastic bottle again.
balloon
Complete these sentences.
The two substances in the mixture have
with each other.
They have produced a new substance.
This process is called a chemical
.
[2]
11 What structure is at the centre of the Solar System?
Circle the correct answer.
Earth
Mars
Moon
Sun
[1]
© UCLES 2022
S/S4/02
11
12 Mike investigates earthquakes.
He uses a model to show what happens when there is an earthquake.
structure
jelly (jello)
dish
The jelly (jello) is a model of the surface of the Earth.
The structure is a model of a building.
(a) Describe why the jelly (jello) is not a good model for the surface of the Earth.
[1]
(b) Describe what Mike does to the model to make it show an earthquake.
[1]
(c) What happens to the structure when there is an earthquake?
[1]
© UCLES 2022
S/S4/02
12
BLANK PAGE
Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every
reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the
publisher will be pleased to make amends at the earliest possible opportunity.
To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge Assessment
International Education Copyright Acknowledgements Booklet. This is produced annually and is available to download at
https://primary.cambridgeinternational.org/
Cambridge Assessment International Education is part of Cambridge Assessment. Cambridge Assessment is the brand name of the University of Cambridge
Local Examinations Syndicate (UCLES), which is a department of the University of Cambridge.
© UCLES 2022
S/S4/02