Cambridge Assessment International Education
Cambridge Primary Checkpoint

0846/01
SCIENCE
Paper 1
October 2019
45 minutes
Candidates answer on the Question Paper.
Additional Materials:
Pen
Pencil
Ruler
Calculator
READ THESE INSTRUCTIONS FIRST
Write your centre number, candidate number and name in the spaces at the top of this page.
Write in dark blue or black pen.
DO NOT WRITE IN ANY BARCODES.
Answer all questions.
The number of marks is given in brackets [ ] at the end of each question or part question.
You should show all your working in the booklet.
The total number of marks for this paper is 50.
This document consists of 17 printed pages and 3 blank pages.
IB19 10_0846_01/4RP
© UCLES 2019
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2
1
Insects are useful for flowers.
insect
flower
What is the insect doing to the flower?
Circle the correct answer.
dispersing the flower
germinating the flower
making seeds for the flower
pollinating the flower
[1]
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3
2
Some materials conduct electricity.
Circle two materials that conduct electricity.
copper
glass
iron
paper
plastic
sand
wood
[2]
3
Hassan owns a motor car.
For each material in the table, put a tick () in the correct column to show if it is a
solid, a liquid or a gas at room temperature.
material
solid
liquid
gas
air
gasoline
iron
plastic
rubber
[2]
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4
4
Class 5 have a quiz about the Earth.
Write down the answers to the questions.
Earth Quiz
1. What is the name of the Earth’s path around the Sun?
2. How many days does it take the Earth to go around the Sun once?
3. The Earth is also moving on its own axis.
What word describes this movement of the Earth?
[2]
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5
5
Anastasia cooks potatoes in hot water.
cooking pot
potato
water
heat
She puts the cooking pot over a flame and heats the water for 25 minutes.
(a) What happens to water when it is boiling?
[1]
(b) Explain why boiling water is a reversible change.
[1]
(c) Explain why cooking a potato is an irreversible change.
[1]
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6
6
Angelique makes a musical instrument.
two large sticks
rubber band
small stick
She blows between the two large sticks.
This makes a sound with a steady pitch.
Angelique makes the musical instrument again.
This time she uses shorter sticks and blows harder.
two shorter sticks
Complete the sentences.
When she blows harder between the sticks the sound is
When she uses shorter sticks the sound is
.
.
[2]
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7
7
The diagram shows some organs of the body.
A
B
C
D
E
F
(a) Which letter is the liver?
[1]
(b) Which letter shows the organ that filters the blood?
[1]
(c) Explain why the body needs organ B to stay alive.
[2]
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8
8
The diagram shows a forcemeter.
3
(a) What type of force is it measuring?
Circle the correct answer.
friction
push
twist
upthrust
[1]
(b) The forcemeter points to 3.
The force is doubled.
What does the forcemeter now point to?
[1]
(c) What is the unit of force?
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[1]
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9
9
The picture shows the skeleton of a rabbit.
X
(a) Which organ does part X of the skeleton protect?
[1]
(b) What is the function of the organ that part X protects?
[1]
Complete these sentences.
(c) The skeleton protects, moves and
(d) To move the skeleton there are
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the body.
[1]
attached to the bones.
[1]
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10
10 Oliver makes tea.
He adds boiling water to the tea leaves.
A brown solution is made.
boiling water
added
tea leaves
(a) Suggest why the boiling water becomes brown.
[1]
(b) Oliver wants to keep the brown solution but separate it from the tea leaves.
He uses sieving.
Explain why sieving works.
[2]
(c) Suggest one other way to separate the brown solution from the tea leaves.
[1]
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11
11 Rajiv grows two trays of plants.

He puts one tray in the light.

He puts the other tray in the dark.

He looks at the trays of plants after 5 days.
tray of plants in the light
tray of plants in the dark
(a) Describe two differences between the plants in the light and the plants in the
dark.
1 ………………………………………..............................................................................................
………………………………………..............................................................................................
2 ………………………………………..............................................................................................
………………………………………..............................................................................................
[2]
(b) Why does Rajiv put more than one plant in each tray?
[1]
(c) Why do plants need light?
[1]
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12
12 It is possible to identify a substance from looking at its properties.
Here are some properties of six substances.
substance
melting point
in C
boiling point
in C
Is it
magnetic?
A
1470
3010
yes
Is it a good
conductor of
heat?
yes
B
–77
–10
no
no
C
0
106
no
no
D
1535
2750
yes
yes
E
0
100
no
no
F
–20
100
no
no
(a) Which two substances could be steel?
Choose from A, B, C, D, E or F.
and
Explain your answer.
[2]
(b) One of the substances is water.
Which substance?
Choose from A, B, C, D, E or F.
[1]
(c) The temperature in a laboratory is 25  C.
Which substance is a gas in this laboratory?
Choose from A, B, C, D, E or F.
[1]
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13
(d) Substance D melts at 1535  C.
What happens when a substance melts?
[1]
13 A cactus plant lives in the desert.
The cactus plant has features which make it suited to live in the desert.
They do not have leaves so they lose less water.
List two other features the cactus plant has.
Explain how each feature makes the cactus plant suited to live in the desert.
feature
explanation
feature
explanation
[4]
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14
14 Class 6 investigate light.

A hole is cut in a box.

A flashlight (torch) is put inside the box.

Different materials are put over the hole in the box.
box with
flashlight
inside
material
hole
(a) Predict what will happen if the material is opaque.
Complete the sentence.
If the material is opaque I predict
[1]
(b) Which material is opaque?
Circle the correct answer.
glass
ice
water
wood
[1]
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15
15 Look at the diagrams of four electrical circuits.
(a) How many electrical circuits will work?
Circle the correct answer.
0
1
2
3
4
[1]
(b) Draw the electrical symbol for a motor in the space below.
[1]
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16
16 Yuri investigates how much salt dissolves in water.
He predicts that the hotter the water, the more salt will dissolve.
Here are his results.
temperature of water
in °C
mass of salt dissolved
in ….
10
27
20
29
30
31
40
33
50
35
60
37
(a) Yuri forgets to put the unit for mass in the table.
What is the unit for mass?
[1]
(b) Yuri uses 100 cm3 of water for each temperature of water.
Explain why.
[1]
(c) Yuri’s friend suggests he repeat the experiment.
Why is this a sensible suggestion?
[1]
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17
(d) Yuri predicted that the hotter the water, the more salt would dissolve.
Do Yuri’s results agree with his prediction?
Explain your answer using information from the results table.
[2]
(e) Yuri decides to present his results.
Which would be the best way?
Circle the correct answer.
a pie chart
a bar chart
a line graph
a labelled diagram
[1]
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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 for each series of examinations and is freely available to download
at www.cambridgeinternational.org after the live examination series.
Cambridge Assessment International Education is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of the University of
Cambridge Local Examinations Syndicate (UCLES), which itself is a department of the University of Cambridge.
© UCLES 2019
0846/01/O/N/19