0846/01 - ACSP EP
12
This document consists of 12 printed pages. IB19 05_0846_01/3RP © UCLES 2019 [Turn over Cambridge Assessment International Education Cambridge Primary Checkpoint SCIENCE 0846/01 Paper 1 April 2019 MARK SCHEME Maximum Mark: 50 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 an 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 End of Series Report. Cambridge will not enter into discussions about these mark schemes.
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Transcript of 0846/01 - ACSP EP
This document consists of 12 printed pages.
IB19 05_0846_01/3RP © UCLES 2019 [Turn over
Cambridge Assessment International Education Cambridge Primary Checkpoint
SCIENCE 0846/01
Paper 1 April 2019
MARK SCHEME
Maximum Mark: 50
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 an 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 End of Series Report. Cambridge will not enter into discussions about these mark schemes.
0846
/01
Che
ckpo
int P
rimar
y –
Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 2
of 1
2
Ann
otat
ions
and
abb
revi
atio
ns
/ OR
alte
rnat
e re
spon
ses
for
the
sam
e m
arki
ng p
oint
(
) th
e w
ords
or
units
in b
rack
ets
do n
ot n
eed
to b
e st
ated
A
ccep
t an
acc
epta
ble
resp
onse
D
o n
ot
acce
pt
indi
cate
s an
inco
rrec
t re
spon
se th
at w
ould
con
trad
ict
anot
her
othe
rwis
e co
rrec
t alte
rnat
ive
Ign
ore
indi
cate
s an
irre
leva
nt a
nsw
er th
at is
not
cre
ditw
orth
y, h
owev
er,
full
mar
ks c
an s
till b
e ac
hiev
ed e
ven
with
the
answ
ers
that
are
igno
red
ecf
erro
r ca
rrie
d fo
rwar
d, m
arks
are
aw
arde
d if
an in
corr
ect r
espo
nse
has
been
car
ried
forw
ard
from
ear
lier
wor
king
, pro
vide
d th
e su
bseq
uent
wor
king
is
corr
ect
ora
or
reve
rse
argu
men
t n
ote
pro
vide
s ex
tra
info
rmat
ion
whe
n ne
cess
ary
0846
/01
Che
ckpo
int P
rimar
y –
Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 3
of 1
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
3
an
y tw
o f
rom
sm
ooth
clo
thes
/ tig
ht c
loth
es /
stre
amlin
e / a
erod
ynam
ic
hand
/arm
beh
ind
back
lo
w d
own
/ cro
uch
dow
n / b
end
the
knee
s id
ea o
f on
e sk
ater
beh
ind
the
othe
r
2ea
ch c
orre
ct a
nsw
er =
1 m
ark
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
1
I h
ear
with
my
ear(
s).
I see
with
my
eye
(s).
I s
mel
l with
my
no
se.
I t
aste
with
my
ton
gu
e / t
aste
bu
ds
.
1al
l cor
rect
= 1
mar
k
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
2(a)
w
ater
can
be
cool
ed to
mak
e ic
e / w
ater
can
be
froz
en (
agai
n)1
answ
ers
mus
t hav
e th
e id
ea o
f fre
ezin
g or
coo
ling
2(b)
T
he m
eltin
g po
int o
f ice
is 0
(C
).
The
boi
ling
poin
t of
wat
er is
100
(C
).
2ea
ch c
orre
ct a
nsw
er =
1 m
ark
0846
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ckpo
int P
rimar
y –
Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 4
of 1
2 Q
ues
tio
n
An
swer
M
arks
F
urt
her
Info
rmat
ion
4(a)
br
ain
in
test
ines
li
ver
lu
ng
stom
ach
1m
ore
than
one
ans
wer
circ
led
= 0
mar
ks
4(b)
br
ain
in
test
ines
li
ver
lu
ng
sto
mac
h
1m
ore
than
one
ans
wer
circ
led
= 0
mar
ks
4(c)
A
B
C
D
1
mor
e th
an o
ne a
nsw
er c
ircle
d =
0 m
arks
Qu
esti
on
A
nsw
er
Mar
ks
Gu
idan
ce
5
an
y tw
o f
rom
tu
ning
fork
mov
es /
tuni
ng fo
rk v
ibra
tes
(thi
s m
akes
) th
e w
ater
mov
e /
(thi
s m
akes
) th
e w
ater
vib
rate
/ (
this
m
akes
) w
aves
in th
e w
ater
so
und
trav
els
thro
ugh/
in w
ater
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
6
an
y tw
o f
rom
ne
eds
to b
e fle
xibl
e /
(idea
tha
t) b
ones
wou
ld s
top
it be
ndin
g /
easi
er to
mov
e th
e tr
unk
(idea
of)
so
it ca
n dr
ink
wat
er /
suc
k w
ater
/ p
ick
up f
ood
/ so
it c
an
take
food
/ ge
t foo
d / p
ick
up lo
gs
idea
of
no o
rgan
s in
side
trun
k to
pro
tect
2
0846
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ckpo
int P
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chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 5
of 1
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
7(a)
7 (k
g)
1
7(b)
bar
for
D d
raw
n fo
r 5
kg
1A
ccep
t +
or
– ½
sm
all s
quar
e to
lera
nce
7(c)
any
on
e fr
om
id
ea o
f be
st r
ecyc
ling
cam
paig
n id
ea o
f m
ost
recy
clin
g fa
cilit
ies
/ diff
eren
t typ
es o
f bin
s us
e m
ore
rec
ycla
ble
mat
eria
ls
1 A
ccep
t kn
ow a
bout
the
impo
rtan
ce o
f rec
yclin
g /
child
ren
or s
choo
l car
e m
ore
abou
t re
cycl
ing
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
8(a)
the
tem
pera
ture
at
whi
ch a
so
lid b
ecom
es a
liq
uid
2ea
ch c
orre
ct a
nsw
er =
1 m
ark
8(b)
A
B
C
D
E
F
1
mor
e th
an o
ne a
nsw
er c
ircle
d =
0 m
arks
0846
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ckpo
int P
rimar
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Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 6
of 1
2 Q
ues
tio
n
An
swer
M
arks
F
urt
her
Info
rmat
ion
9(a)
A a
nd
B
A
and
C
B a
nd D
C
and
D
1m
ore
than
one
ans
wer
circ
led
= 0
mar
ks
9(b)
corr
ect t
empe
ratu
re /
heat
/ w
arm
(th
) 1
Acc
ept
oxyg
en
Qu
esti
on
A
nsw
er
Mar
ks
Gu
idan
ce
10(a
)
A
sha
dow
is m
ade
beca
use
Ble
ssy’
s he
ad b
lock
(s) /
sto
p(s
) /
ob
stru
cts
the
light
. B
less
y’s
head
mak
es a
sha
dow
bec
ause
it is
mad
e of
op
aqu
e
mat
eria
l.
2ea
ch c
orre
ct a
nsw
er =
1 m
ark
10(b
)
in
crea
ses
/ get
s bi
gger
1
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
11(a
)
he
atin
g / b
oilin
g 1
Acc
ept
eva
pora
tion
11(b
)
co
olin
g / c
onde
nsin
g /
cond
ensa
tion
1
11(c
)
sa
lt or
oth
er s
ubst
ance
s di
ssol
ve in
wat
er /
beca
use
the
salt
is in
the
so
lutio
n 1
Acc
ept
salt
is s
olub
le /
stil
l bac
teria
in t
he w
ater
0846
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ckpo
int P
rimar
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Mar
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chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 7
of 1
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
12(a
)
an
y o
ne
fro
m
arro
w b
etw
een
impa
la a
nd
gra
ss c
ircle
d ar
row
bet
we
en im
pala
and
gra
ss c
ircle
d an
d im
pala
circ
led
impa
la c
ircle
d gr
ass
and
arr
ow a
nd
impa
la c
ircle
d gr
ass
and
arr
ow b
etw
een
impa
la a
nd g
rass
circ
led
1If
oth
er o
rgan
ism
s ci
rcle
d =
0 m
arks
ju
st g
rass
circ
led
= 0
12(b
)
it
uses
ene
rgy
from
the
Sun
1
Acc
ept
it m
akes
its
own
food
/ pr
oduc
es fo
od
/ ca
n ph
otos
ynth
esis
e
12(c
)
it
hunt
s/ch
ases
its
food
1
0846
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ckpo
int P
rimar
y –
Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 8
of 1
2 Q
ues
tio
n
An
swer
M
arks
F
urt
her
Info
rmat
ion
13(a
)
an
y tw
o f
rom
S
un in
diff
eren
t po
sitio
ns a
t di
ffer
ent t
imes
(of
the
day
) S
un m
oves
fro
m E
ast t
o W
est /
Sun
mov
es fr
om
rig
ht to
left
Sun
is h
igh
est
at m
idda
y
Sun
ris
es in
the
mor
ning
/ th
e S
un r
ises
in th
e E
ast
Sun
set
s or
Sun
goe
s do
wn
in t
he e
veni
ng /
the
Sun
set
s or
Sun
go
es d
own
in th
e W
est
the
Ear
th is
rot
atin
g or
spi
nnin
g or
turn
ing
or r
evol
ves
(on
its a
xis)
2
13(b
)
th
e E
arth
rot
ates
/ th
e E
arth
spi
ns /
the
Ear
th tu
rns
/ the
Ear
th
revo
lves
(on
its
axis
) 1
0846
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ckpo
int P
rimar
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Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 9
of 1
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
14(a
)
ca
rbon
dio
xide
1
mor
e th
an o
ne s
ubst
ance
= 0
mar
ks
Acc
ept
CO
2
14(b
)
an
y tw
o f
rom
no
n-to
xic
/ non
-poi
sono
us
low
den
sity
/ mak
es a
ligh
t co
ntai
ner /
ligh
twei
ght
mal
leab
le / c
an b
e m
ade
into
cor
rect
sha
pe
inso
lubl
e / d
oesn
’t di
ssol
ve
wat
erpr
oof
stro
ng /
unbr
eaka
ble
/ not
brit
tle /
dura
ble
/ ha
rd
high
mel
ting
poin
t / d
oes
not m
elt e
asily
un
reac
tive
opaq
ue /
sun
light
can
not
get
in
recy
clab
le
2
0846
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ckpo
int P
rimar
y –
Mar
k S
chem
e A
pril
2019
PU
BL
ISH
ED
Pag
e 10
of 1
2 Q
ues
tio
n
An
swer
M
arks
F
urt
her
Info
rmat
ion
15(a
)
(inve
stig
atio
n nu
mbe
r) 4
id
ea th
at n
umbe
r of
boo
ks is
low
er /
low
er th
an th
e av
erag
e
1bo
th c
orre
ct =
1 m
ark
15(b
)
an
y o
ne
fro
m
idea
tha
t bo
oks
are
diff
eren
t si
zes
id
ea t
hat
egg
shel
ls a
re n
ot t
he s
ame
/ sh
e us
es d
iffer
ent
egg
shel
ls
each
tim
e
1 A
ccep
t bo
oks
are
diff
eren
t m
asse
s / b
ooks
are
di
ffere
nt w
eigh
t
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
16(a
)
1A
ccep
t
16(b
)
light
s up
1
Acc
ept
any
idea
of t
he la
mp
wor
king
e.g
. it w
ill tu
rn
on
16(c
)
pape
r
pla
stic
rubb
er
si
lver
woo
d 1
mor
e th
an o
ne a
nsw
er c
ircle
d =
0 m
arks
0846
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ckpo
int P
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Mar
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chem
e A
pril
2019
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BL
ISH
ED
Pag
e 11
of 1
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
17(a
)
tem
per
atu
re
in o
C
volu
me
of
wat
er
in b
eak
er
at s
tart
in
cm3
volu
me
of
wat
er a
fter
24
ho
urs
in
cm3
volu
me
of
wat
er
eva
po
rate
d i
n
cm3
30
50
45
5
40
50
40
10
50
50
30
20
60
50
10
40
70
50
0 50
1al
l vol
umes
cor
rect
= 1
mar
k
17(b
)
yes
and
so
me
use
of
the
dat
a fr
om th
e ta
ble
to s
how
less
wat
er in
the
beak
er
1ye
s on
its
own
or n
o =
0 m
arks
Ig
no
re g
ener
al t
rend
s w
hich
do
incl
ude
data
e.g
. as
it ge
ts h
otte
r th
e vo
lum
e ge
ts le
ss
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
18(a
)
sm
alle
r / l
ess
heig
ht /
no fl
ower
s / s
tem
s be
nd d
own
/ wilt
ed /
few
er
stem
s 1
assu
me
answ
er is
abo
ut p
lant
B u
nles
s st
ated
e.g
. pl
ant A
has
flow
ers
= 1
mar
k n
ote
ans
wer
mus
t hav
e co
mpa
rison
18(b
)
take
in li
ght /
tak
e in
ene
rgy
1A
ccep
t ph
otos
ynth
esis
/ to
mak
e fo
od /
give
the
plan
t foo
d / g
as e
xcha
nge
0846
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Che
ckpo
int P
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Mar
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chem
e
Apr
il 20
19
P
UB
LIS
HE
D
Pag
e 12
of 1
2
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
19(a
)
(cau
ses)
litte
ring
/ dis
ease
/ wat
er p
ollu
tion
/ de
stro
y ha
bita
ts /
tak
es
up s
pace
/ a
ttra
cts
rats
or
inse
cts
1A
ccep
t de
scrip
tions
of w
ater
pol
lutio
n / h
arm
m
arin
e lif
e / w
ashe
d in
to th
e se
a / k
ills
anim
als
that
ea
t it
19(b
)
(som
e) m
etal
s ar
e m
agne
tic / (
som
e) m
etal
s ar
e at
trac
ted
to a
m
agne
t / i
ron
is a
ttra
cted
to a
mag
net
/ ste
el is
att
ract
ed t
o a
mag
net /
som
e of
the
rubb
ish
is m
agne
tic
1D
o n
ot
acce
pt
all m
etal
s ar
e m
agne
tic /
all m
etal
s ar
e at
trac
ted
to a
mag
net /
mag
nets
will
pul
l all
met
als
D
o n
ot
acce
pt
nam
ed n
on-m
agne
tic m
etal
at
trac
ted
to m
agne
t e.g
. it a
ttra
cts
the
alum
inum
19(c
)
air
pollu
tion
/ may
kill
ani
mal
s / m
ay k
ill p
lant
s 1
Acc
ept
high
er le
vel a
nsw
ers
e.g.
aci
d ra
in a
nd
(incr
ease
d) g
reen
hous
e ef
fect
/ gl
obal
war
min
g
Qu
esti
on
A
nsw
er
Mar
ks
Fu
rth
er In
form
atio
n
20(a
)
chal
k an
d g
asol
ine
1bo
th s
ubst
ance
s in
eith
er o
rder
= 1
mar
k an
y ot
her
subs
tanc
es =
0 m
arks
20(b
)
gaso
line
float
ing
on to
p of
the
wat
er
1A
ccep
t w
ater
floa
ting
on g
asol
ine
/ tw
o liq
uids
/ tw
o la
yers
