Cambridge International Examinations
Cambridge Primary Checkpoint
0846/01
SCIENCE
Paper 1
April 2017
MARK SCHEME
Maximum Mark: 50
IMPORTANT NOTICE
Mark Schemes have been issued on the basis of one copy per Assistant examiner and two copies per Team
Leader.
Published
This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the
examination. It shows the basis on which Markers were instructed to award marks. It does not indicate the
details of the discussions that took place at a Markers’ meeting before marking began, which would have
considered the acceptability of alternative answers.
Mark schemes should be read in conjunction with the question paper and the Principal Examiner Report for
Teachers.
Cambridge will not enter into discussions about these mark schemes.
This document consists of 15 printed pages and 1 blank page.
IB17 05_0846_01/6RP
© UCLES 2017
[Turn over
0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
1
Answer
April 2017
Marks
2
1. lung(s)
Further Information
four correct = 2 marks
2. brain
two or three correct = 1 mark
3. kidney(s)
one correct = 0 marks
4. liver
Question
2
Answer
Marks
add another cell

add another lamp

2
Further Information
each correct tick = 1 mark
three ticks two correct = 1 mark
two incorrect ticks = 0 marks
make the wires longer
make the wires shorter

remove one cell
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0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
Answer
April 2017
Marks
3
3
Further Information
each correct answer = 1 mark
seed dispersal
germination
pollination
Question
4
Answer
Marks
3
Material A is copper.
This material is used because it is a good conductor.
all four correct = 3 marks
two or three correct = 2 marks
one correct = 1 mark
Material B is plastic.
This material is used because it is a good insulator.
© UCLES 2017
Further Information
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Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
Answer
April 2017
Marks
2
5(a)
substance
state of matter at
room temperature
solid
liquid
carbon
dioxide



gasoline



mercury



water

()

wood



Further Information
two or more ticks in a row is incorrect
for that substance
all four correct = 2 marks
gas
two or three correct = 1 mark
5(b)
solid (to) liquid
1
both correct and in the correct order = 1
mark
5(c)
liquid (to) gas
1
both correct and in the correct order = 1
mark
5(d)
liquid
1
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0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
6
Answer
April 2017
Marks
1
any two from
Further Information
two correct = 1 mark
the Moon
the Sun
Accept two named planets = 1 mark
Do not accept Earth
planet(s)
moons of Jupiter / satellites of Jupiter / red spot on Jupiter
Milky Way
stars / constellation(s)
asteroids
comets
rings of Saturn
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0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
Answer
Marks
2
7
have a bath
Further Information
all three correct = 2 marks
one or two correct = 1 mark

re-use paper
turn lights off

use litter bins

Page 6 of 16
four ticked three correct = 1 mark
two incorrect ticks = 0 marks
throw away glass bottles and jars
© UCLES 2017
April 2017
0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
8(a)
Answer
April 2017
Marks
Shadows are made when light is blocked
/ stopped /
1
/ height /
1
Further Information
obstructed.
8(b)
During the day shadows change in length
position / direction / angle.
Accept size
Accept (idea of) greyness
Accept (idea of) moving
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Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
Answer
April 2017
Marks
2
9
Further Information
each correct answer = 1 mark
Answer must include description and
explanation of adaptation for mark
any two from
(idea of) fat layer for insulation / fat to keep them warm / fat to
withstand the cold
Accept blubber for fat
thick feathers for insulation / lots of feathers for insulation / thick
feather layer for insulation
Accept to keep them warm
Do not accept fur
claws or nails to grip (the ice) / claws or nails to help them walk on
ice
oily feathers to make them waterproof
flattened wings (flippers) to swim in the water / short wings (flippers)
to swim in the water
black (back) for camouflage / white (front) for camouflage (when
swimming)
streamline shape for swimming / aerodynamic shape for swimming
sharp beak for feeding or catching fish / long beak for feeding or
catching fish
If two structural adaptations only given
and no reasons e.g. sharp beak and
thick feathers then = 1 mark
webbed feet for (powerful) swimming
short legs to walk/waddle on snow/ice
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0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
10(a)
April 2017
Answer
Marks
to dissolve the salt / as the salt is soluble and the sand is insoluble
1
Further Information
answer must mention salt
Accept to make a salt solution
Ignore just to make a solution
Ignore to mix
Do not accept if answer includes sand
being dissolved
10(b)
sand
1
10(c)
to make the salt dissolve quicker
1
10(d)
sand
1
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Page 9 of 16
Accept to dissolve the salt better / to
help the salt dissolve / so all the salt
dissolved
0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
April 2017
Answer
Mark
2
11
Further Information
three correct = 2 marks
one or two correct = 1 mark
Youssef puts the inhaler in his mouth.
He presses the inhaler and breathes
Accept breathes in and out / breath (in)
Accept air or oxygen enters
(in) / inhales.
The medicine travels down his windpipe to his lungs.
Question
Answer
Marks
Further Information
12(a)
vibrates
1
12(b)
higher pitch
1
answer must be comparative
12(c)
quieter / softer / less loud / (volume) decreases
1
answer must be comparative
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Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
Answer
April 2017
Marks
Further Information
13(a)
food chain
1
Do not accept food web
13(b)
grass / plant / producer
1
Accept any named plant e.g. carrot
1
more than one tick = 0 marks
13(c)

Only the fox is a predator.
Only the rabbit is a predator.
The rabbit and the fox are both carnivores.
The rabbit and the fox are both predators.
Question
Answer
Marks
14(a)
friction
1
14(b)
newton meter / forcemeter
1
14(c)
kilogram
metre
1
newton
Further Information
more than one circled = 0 marks
Accept any indication of the correct
answer
© UCLES 2017
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0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
15(a)
Answer
50
April 2017
Marks
Further Information
1
Accept any number between 45 and 55
Accept answer in the table
15(b)
same result as using red ink / blue ink will travel up to the flower /
flower will go blue
1
Accept it takes the same time (as the
red ink)
Ignore water turns blue / flower
changes colour
1
15(c)
Accept two three or four petals shaded
on the right hand side
flower
clear water
© UCLES 2017
half the flower shaded (by eye)
red ink
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Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
16(a)
Answer
April 2017
Mark
2 points plotted correctly, (25,55) and (30,50)
2
Further Information
each point = 1 mark
Accept plots + or – ½ a small square
Ignore extra points drawn at 35
minutes
16(b)
last 3 points joined as a straight line or curve
1
the line must go through all three points
ecf from candidates plotting in part (a)
but if no plots then no mark for the line
Ignore line through point plotted at 35
minutes
Do not accept if line goes through the
anomalous point at (10,55)
16(c)
© UCLES 2017
10 (minutes)
1
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Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
17(a)
Answer
April 2017
Marks
2
use a stop watch to measure the time
Further Information
each correct tick = 1 mark
three ticks two correct = 1 mark
use the same colour material
use the same mass of modelling clay
use the same materials
use the same size of material
17(b)
© UCLES 2017
two incorrect ticks = 0 marks




1
B
Page 14 of 16
Accept 6.2
0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
Question
Answer
April 2017
Marks
3
18
conducts electricity
Further Information
each correct tick = 1 mark
four ticks three correct = 2 marks

four ticks two correct = 1 mark
low melting point
shiny
five ticks = 0 marks

soft
soluble in water
strong
© UCLES 2017
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0846/01
Primary Checkpoint Science – Mark Scheme
PUBLISHED
BLANK PAGE
© UCLES 2017
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April 2017