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National curriculum assessments
Science tests
Mark scheme for Papers 1 and 2
2008
Sc
KEY STAGE
3TIERS
3–7
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:49 pm Page 1
Introduction
The test papers will be marked by external markers. The markers will follow the mark
scheme in this booklet, which is provided here to inform teachers.
This booklet includes the mark scheme for paper 1 and paper 2 in both tiers.
The structure of the mark scheme for tiers 3–6 and 5–7
The mark scheme for each question shows:
■ the teaching points from the key stage 3 programme of study
■ the marks available for each part of the question
■ the total marks available for the question
■ the answer or expected answers, indicated by an asterisk
■ additional guidance to assist markers in making professional judgements.
When a question appears in an identical form in both tiers, the answers to the
question are given only once in the mark scheme. For clarity, both question numbers
are given. The following example, from tier 3–6 paper 2 question 11 and from
tier 5–7 paper 2 question 4, illustrates this.
Where more than one answer is acceptable, this is indicated in the mark scheme by
‘any one from’. Each possible correct answer is marked with an asterisk. In some
cases, alternative answers are indicated by ‘or’.
2
2008 KS3 Science Mark Scheme Tiers 3–6 and 5–7 Introduction
Tier
3–6
5–7
Q No
11
4
Part Mark Answer Accept Additional guidance
a i
3/3d
a ii
3/3d
a iii
3/3f
1
1
1
* it is neutral ✔
* any number less than 7
any one from* they are alkaline or an alkali
* they react with the acid
accept ‘a soluble base’accept ‘it has a pH above 7’
if more than one box is ticked,award no mark
specific pH values such as ‘its pH is 8.5’ are insufficient
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:36 pm Page 2
In the following example from part a of tier 3–6 paper 2 question 3, an answer giving
‘crushed into powder’ and ‘smoother and broken into pieces’ will be awarded two
marks. However, an answer which gives ‘smooth like a pebble’ will be given only one
mark, as ‘smooth’ and ‘like a pebble’ are equivalent answers.
In the following example, from part a of tier 5–7 paper 2 question 11, the statement in
bold type in the Additional guidance column is given in order to indicate the general
requirement of the question.
In the Accept column there may be:
■ examples of answers which are acceptable, although they do not correspond exactly
to the expected answers
■ some examples of higher-level answers, which could be given by higher-attaining
pupils answering questions on the lower levels in the tier.
In the Additional guidance column there may be:
■ answers which are not acceptable
■ a reminder, in questions involving calculations, that consequential marking may
be used
■ instructions on action in the event of consequential marking (see page 5)
■ guidance to markers where pupils have not followed the instructions in
the question.
3
Part Mark Answer Accept Additional guidance
a i
1/2g2 any two from
* smoother or rounder* broken or crumbled or crushed
or it was smaller pieces* powder or dust formed
accept ‘it was more like a pebble’accept ‘it eroded’or ‘it weathered’
Part Mark Answer Accept Additional guidance
a
1/2k
1
1
* the more cigarettessmoked, the greaterthe number or
percentage that die
* the risk increaseswith age or isgreater in older men
accept ‘smoking 5cigarettes a day is lessharmful than smoking 20’
accept statements suchas ‘20 cigarettes a day isworse when you are45–64 than under 45’accept the converse
one conclusion should relate to the number
of cigarettes and the other to the effect of age
statements that do not make a generalisation,such as ‘nearly 1% of men aged 55–64 whosmoke 20 cigarettes a day will die of heartdisease’ are insufficient
2008 KS3 Science Mark Scheme Tiers 3–6 and 5–7 Introduction
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:36 pm Page 3
Marking
The number of marks available for each part of a question, and the maximum number
of marks for the question as a whole, are shown on the question paper. Every part of
a question which has been attempted by a pupil will be marked and the mark for each
part recorded in the mark box alongside that part. Half marks will not be given in any
question.
The total number of marks awarded for all the parts of questions on a double page
will be written in the box at the bottom of the right-hand page. In some instances, this
will be the sum of marks awarded for two questions. The total number of marks
obtained on the paper will be recorded on the front of the test paper.
The total number of marks available is 180 in tier 3–6 and 150 in tier 5–7.
Using professional judgement in marking
The instructions given in the mark scheme will enable the markers to decide whether
pupils have correctly answered a particular question. However, there will be instances
where an answer given by a pupil does not correspond to any of the possible responses
shown in the mark scheme. In such cases, markers will apply their professional
judgement to decide if credit should be given. They will consider whether the response:
■ is equivalent to those listed
■ conveys the ideas underlying the question as outlined in the statement in bold typein the mark scheme, if one is given.
If any doubt persists, markers will consult their supervisors for guidance.
Marking misspellings of words
If a pupil misspells a word, markers will apply the following procedures:
■ if it is clear that the pupil has made a simple error, eg ‘tow’ for ‘two’ or ‘Son’ for
‘Sun’, then the incorrect spelling will be accepted and the mark awarded
■ if a pupil misspells a word copied from the text of the question or from a selection
given, and the new word does not have any inappropriate meaning, the incorrect
spelling will be accepted and the mark awarded
■ if specific scientific vocabulary is required in the answer, a misspelling must, in
order to be creditworthy, be a phonetic equivalent of the required word, with the
major syllables of the correct word represented in the answer.
2008 KS3 Science Mark Scheme Tiers 3–6 and 5–7 Introduction
4
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:36 pm Page 4
Marking lists of alternative answers
In some instances, pupils give more than one answer to a single question. If any of the
answers given is incorrect, the mark will not be awarded, irrespective of the order in
which the answers are given. In some cases, a correct answer is given alongside other
answers which, while correct, would be insufficient for the mark. In these cases, the
mark will be given for the correct answer.
Marking questions containing calculations
Some questions require pupils to perform calculations. Where two marks are available,
they are advised to show their working. Pupils who do not show their working but
give the correct answer will be awarded full marks.
The result of one calculation may be required in order to carry out further
calculations. In such instances:
■ the term ‘consequential marking’ appears in the Additional guidance
■ a pupil’s result for the first calculation is treated as the starting point for the second
■ the pupil is awarded full credit for the second calculation if it is carried out
correctly, even if the result of the first calculation was wrong.
Marking answers given in the wrong place
In some cases, pupils may write correct answers in the wrong part of the question.
Markers will use professional judgement to decide whether a pupil has correctly
understood the question and simply written the answer in the wrong place. Similarly,
if pupils identify an answer by a cross or other indication when a tick is required,
they will be given credit for their responses.
Awarding levels
Level threshold tables, which show the mark ranges for the award of different levels,
will be available on the NAA website www.naa.org.uk/tests from 23 June 2008.
The 2008 key stage 3 science tests and mark schemes were developed by
the National Foundation for Educational Research (NFER) on behalf of QCA.
5
2008 KS3 Science Mark Scheme Tiers 3–6 and 5–7 Introduction
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:36 pm Page 5
Mark Allocation Grid: Tier 3–6
TIER 3–6 Paper 1 TIER 3–6 Paper 2
2008 KS3 Science Mark Scheme Tiers 3–6 and 5–7 Introduction
6
Q
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Total
Q
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Total
Sc1 Sc2 Sc3 Sc4
2 4
2 6
5
1 3
4 1 1
1 4
2 4
5
2 3
1 4
6
4 3
1 4
5
7
3 2
42 17 13 18
Sc1 Sc2 Sc3 Sc4
2 1 3
2 4
5 3
1 5 1
6
6
4 2
4 1
2 3
6
3 3
9
4 2
8
29 20 21 20
Total
P1 + 271 37 34 38
Overall
180
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:36 pm Page 6
Mark Allocation Grid: Tier 5–7
TIER 5–7 Paper 1 TIER 5–7 Paper 2
The requirements of the introduction to the programme of study apply across Sc1, Sc2, Sc3 and Sc4.
The mark allocation grids on this pair of pages show the context of these questions in relation to Sc1, Sc2, Sc3 and Sc4.
2008 KS3 Science Mark Scheme Tiers 3–6 and 5–7 Introduction
7
Q
1
2
3
4
5
6
7
8
9
10
11
12
13
Total
Q
1
2
3
4
5
6
7
8
9
10
11
12
Total
Sc1 Sc2 Sc3 Sc4
2 3
1 4
6
4 3
1 4
5
7
3 2
6
6
5 1
6
5 1
38 13 13 11
Sc1 Sc2 Sc3 Sc4
4 1
2 3
6
3 3
9
4 2
8
2 1 2
5
2 5
2 6
5
24 16 18 17
Total
P1 + 262 29 31 28
Overall
150
KS3 Sc MS1+2 Intro.qxp 2/1/08 2:36 pm Page 7
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
8
[Bla
nk p
ag
e]
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9
Tie
r
3–6
Q N
o
1
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2k
a i
i
1/2c
2/3a
1 1
* A
and
C
any
on
efr
om*
gra
ss h
as g
erm
ina
ted
or
gro
wn
* se
eds
did
not
germ
ina
te o
rg
row
in B
any
on
efr
om*
it w
ould
hav
e lo
nger
gra
ss*
the
gra
ss w
ould
hav
e g
row
n m
ore
acce
pt ‘A
and
C h
ave
hair’
acce
pt ‘s
omet
hing
has
gro
wn
in A
and
C’
acce
pt ‘t
hey
have
hai
r’ac
cept
‘the
y ha
ve lo
nger
or
mor
e g
rass
’ac
cept
‘B h
as n
o ha
ir’
acce
pt ‘i
t ha
d m
ore
gra
ss o
rm
ore
hair’
acce
pt ‘i
t g
rew
mor
e o
rfa
ster
’ac
cept
‘it
wou
ld h
ave
gro
wn
less
bec
ause
it w
asov
er-w
ate
red’
answ
ers
may
be
in e
ither
ord
er
bo
thth
e le
tters
and
the
rea
son
are
requ
ired
for
the
mar
k‘A
and
C a
re t
he s
ame’
is in
suff
icie
nt
‘see
ds n
eed
wa
ter
to g
row
’is
insu
ffic
ient
‘it w
ould
be
gre
ener
’is
insu
ffic
ient
‘it w
ould
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heal
thie
r’is
insu
ffic
ient
b
2/3a
1an
y o
ne
from
* it
gre
w t
owar
ds t
he li
ght
* th
at
is w
here
the
ligh
t is
com
ing
from
acce
pt ‘i
t g
rew
tow
ards
the
Sun
’ac
cept
‘to
get
light
or
sunl
ight
’ac
cept
‘pla
nts
or
gra
ss n
eed
light
’ac
cept
‘to
get
mor
e S
un’
‘bec
ause
of
the
sunl
ight
’is
insu
ffic
ient
‘to g
et m
ore
hea
t’is
insu
ffic
ient
c i
2/1c
c i
i
2/3d
1 2
* B
✔
any
two
from
* w
ate
r*
oxyg
en*
min
eral
s
acce
pt ‘m
oist
ure’
or
‘dam
pnes
s’
acce
pt a
nam
ed m
iner
alac
cept
‘nut
rient
s’o
r‘s
alts
’ac
cept
,fo
r tw
o m
arks
,tw
o na
med
min
eral
s su
chas
‘nitr
ate
s’an
d ‘p
hosp
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s’
ifm
ore
than
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box
is t
icke
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ard
no m
ark
do n
ot
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pt‘p
lant
foo
d’o
r‘fo
od’o
r‘n
utrit
ion’
To
tal
6
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 9
10
Tie
r
3–6
Q N
o
2
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
2/2m a i
i
2/2m
2 1
* * re
actio
ns a
re s
low
erac
cept
‘act
ivity
of
the
brai
n sl
ows
dow
n’
awar
d tw
o m
arks
for
all
th
ree
lines
cor
rect
awar
d on
e m
ark
for
any
two
lines
cor
rect
ifm
ore
than
one
line
is d
raw
n fr
om a
ny b
ox,
dono
t cr
edit
eith
er li
ne
b i
2/2h
b i
i
2/2h
1 1
* pl
acen
ta
* am
niot
ic f
luid
acce
pt ‘u
mbi
lical
cor
d’o
r‘c
ord’
acce
pt ‘f
luid
’ac
cept
‘ute
rus’
mor
e bl
ood
trav
els
to t
hesu
rfac
e of
the
body
activ
ity o
fth
e br
ain
slow
s do
wn
sens
e of
pain
is r
educ
ed
reac
tions
are
slo
wer
a pe
rson
lose
s w
eigh
t
skin
get
s w
arm
er
a pe
rson
can
get
hur
tw
ithou
t kn
owin
g it
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–
6 P
ap
er
On
e
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 10
11
Tie
r
3–6
Q N
o
2
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
c i
1/2i
BS
/2a
c i
i
2/2m
BS
/2b
1 1 1
* to
xic
* fla
mm
able
any
on
efr
om*
they
can
cau
se b
rain
dam
age
* it
mak
es y
ou le
ss c
o-or
dina
ted
* fu
mes
sto
p yo
u br
eath
ing
or
chok
e yo
u*
they
pre
vent
you
tak
ing
in o
xyge
n*
you
coul
d be
com
e ad
dict
ed
acce
pt ‘i
nfla
mm
able
’
acce
pt ‘i
t m
akes
you
diz
zy o
r
light
-hea
ded’
acce
pt ‘y
ou c
an h
allu
cina
te’
acce
pt ‘t
hey
affe
ct t
he b
rain
or
liver
’ac
cept
‘the
y da
mag
e yo
ur lu
ngs’
acce
pt ‘i
t bu
rns
your
thr
oat’
acce
pt ‘i
t is
poi
sono
us’o
r‘th
ey c
an k
ill y
ou’
answ
ers
mus
t be
in t
he c
orre
ct o
rder
‘it d
amag
es o
rha
rms
your
bod
y o
rm
akes
yo
u ill
’are
insu
ffic
ient
as
they
are
equ
ival
ent
toda
nger
ous
‘they
are
tox
ic’i
s in
suff
icie
nt
‘it c
onta
ins
solv
ents
’is
insu
ffic
ient
‘they
may
dis
solv
e ch
emic
als
in t
he b
ody’
is in
suff
icie
nt
To
tal
8
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
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12
Tie
r
3–6
Q N
o
3
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2e
1*
a ru
ler
acce
pt ‘a
met
re r
ule’
acce
pt ‘a
tap
e m
easu
re’
‘cm
’is
insu
ffic
ient
‘a m
easu
ring
stic
k’is
insu
ffic
ient
b i
1/2j
b i
i
1/2j
1 1 1
* 30
* A
to
B:
any
num
ber
from
5 t
o 15
* D
to
E:
any
num
ber
from
45
to 8
0ac
cept
a r
ange
suc
h as
‘5 t
o 10
’ac
cept
a r
ange
suc
h as
‘50
to 6
0’
do n
ot
acce
pt‘3
0 se
cond
s’
c
1/2e
1an
y o
ne
from
* yo
u ca
n m
easu
re s
mal
ler
inte
rval
s of
time
* th
e lin
es a
re c
lose
r
acce
pt ‘e
ach
sect
ion
burn
s fo
r a
shor
ter
time’
acce
pt ‘i
t is
mor
e pr
ecis
eo
rac
cura
te’
acce
pt ‘t
he li
nes
are
clos
e’ac
cept
‘the
line
s ar
e fu
rthe
r ap
art
on c
andl
e 1’
acce
pt ‘t
he li
nes
are
1 cm
apa
rt o
n ca
ndle
1 a
nd
0.5
cm a
part
on
cand
le 3
’ac
cept
‘the
re a
re m
ore
lines
or
smal
ler
spac
es o
r
smal
ler
segm
ents
’ac
cept
‘mor
e se
ctio
ns o
rrin
gs’
‘it is
eas
ier
to r
ead’
is in
suff
icie
nt‘th
e lin
es a
re s
mal
ler’
is in
suff
icie
nt
To
tal
5
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
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2008
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ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
13
Tie
r
3–6
Q N
o
4
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2k
3/3a
a i
i
3/3c
1/2k
1 1
any
on
efr
om*
bubb
les
* fiz
zing
* ga
s is
giv
en o
ff
*m
agne
sium
zinc
iron
copp
er
acce
pt ‘e
ffer
vesc
ence
’
acce
pt ‘M
g’ac
cept
‘Zn’
acce
pt ‘F
e’ac
cept
‘Cu’
‘met
al g
oes
into
sol
utio
n o
rtu
rns
into
a s
alt’
and
‘ther
e w
ould
be
a ris
e in
tem
pera
ture
’are
insu
ffic
ient
ans
wer
s as
the
y ar
e n
ot
show
n in
the
dra
win
gs
answ
ers
mus
t be
in t
he c
orre
ct o
rder
all f
ou
ran
swer
s ar
e re
quire
d fo
r th
e m
ark
b i
3/1d
b i
i
3/3a
1 1
* co
pper
*iro
n
acce
pt ‘C
u’
acce
pt ‘F
e’
To
tal
4
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2008
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ark
Sch
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Tie
r 3–6 P
ap
er
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e
14
Tie
r
3–6
Q N
o
5
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2g
a i
i
1/2k
1 1
* 60
cm
3
* 10
cm
3ac
cept
‘60
– 50
’
b i
1/2j
b i
i
1/2j
1 1
* le
ad w
eigh
t
* w
ood
puzz
le
acce
pt ‘l
ead’
or
‘wei
ght’
acce
pt ‘w
ood’
or
‘puz
zle’
‘800
g’i
s in
suff
icie
nt
‘500
cm
3 ’is
insu
ffic
ient
c i
3/1a
3/3a
c i
i
4/2d
1 1
any
on
efr
om*
it ha
s a
low
den
sity
* it
does
not
rus
t
* fr
ictio
n
acce
pt ‘i
t is
ligh
t’
acce
pt ‘i
t do
es n
ot b
end’
acce
pt ‘i
t is
str
ong’
don
ot
acce
pt‘it
doe
s no
t ru
st a
s ea
sily
as
othe
rm
etal
s’
To
tal
6
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2008
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Tie
r 3–6 P
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On
e
15
Tie
r
3–6
Q N
o
6
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
4/2b
a i
i
4/2c
1 1
* C
* A
acce
pt ‘d
own’
acce
pt ‘u
p’
b i
1/2m
4/2b
b i
i
4/2b
1 1
* in
crea
ses
✔
any
on
efr
om*
ther
e ar
e tw
o pe
ople
on
the
sam
e o
rJo
’str
apez
e*
the
wei
ght
is g
rea
ter
* th
ere
is S
ara
as w
ell
acce
pt ‘S
ara
is p
ullin
g on
Jo’
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
this
mar
k ca
nnot
be
awar
ded
ifth
e re
spon
segi
ven
conf
licts
with
par
t (b
i)
‘the
forc
e is
gre
ate
r’is
insu
ffic
ient
‘it is
hea
vier
’is
insu
ffic
ient
as
‘it’r
efer
s to
for
ce
c
4/2b
1*
it de
crea
ses
acce
pt ‘i
t is
less
’ac
cept
‘the
re is
less
wei
ght
on it
’ac
cept
‘the
re is
no
forc
e’o
r‘it
bec
omes
zer
o’
‘it s
prin
gs b
ack
up’i
s in
suff
icie
nt
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 15
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
16
Tie
r
3–6
Q N
o
7
Part
Mark
An
sw
er
Accep
tA
dd
itio
na
l g
uid
an
ce
a
4/1d
1 1
* M
agne
t A
* M
agne
t C
ma
rks
may b
e a
ward
ed
fo
r p
art
(a)
ifth
e
ma
gn
ets
are
co
rrectl
y l
ab
elled
in
part
(b
) an
d
no
an
sw
er
is g
iven
in
part
(a)
bo
thpo
les
are
requ
ired
for
the
mar
k
bo
thpo
les
are
requ
ired
for
the
mar
k
b
4/1d
1*
repe
la
ttrac
tan
swer
s m
ust
be in
the
cor
rect
ord
erb
oth
answ
ers
are
requ
ired
for
the
mar
k
c
4/1d
4/2c
1*
bo
thar
row
s ar
e re
quire
d fo
r th
e m
ark
d i
3/1d
4/2c
d i
i
3/1d
1 1
* it
is a
ttrac
ted
* no
thin
g
acce
pt ‘i
t ge
ts f
aste
r’
acce
pt ‘i
t is
not
attr
acte
d or
rep
elle
d’ac
cept
‘it
is n
ot a
ttrac
ted’
acce
pt ‘i
t is
not
rep
elle
d’
‘they
stic
k to
geth
er’i
s in
suff
icie
nt
do n
ot
acce
pt‘it
rep
els’
To
tal
6
N
S
S
N
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 16
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
On
e
17
Tie
r
3–6
Q N
o
8
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2e
a i
i
1/2j
a i
ii
1/2h
1/2j
1 1 1
any
on
efr
om*
add
mor
e bo
oks
* m
ake
the
pile
of
book
s hi
gher
* E
any
on
efr
om*
som
e re
sults
are
the
sam
e*
som
e re
sults
do
not
fit t
he p
atte
rn
acce
pt ‘u
se b
igge
r bo
oks’
acce
pt ‘l
ift o
ne e
nd o
fth
e ra
mp
high
er’
acce
pt ‘b
ring
the
ram
p cl
oser
to
the
book
s’
acce
pt ‘t
here
are
tw
o 16
s’ac
cept
‘to
chec
k he
r re
sults
’ac
cept
‘to
mak
e it
mor
e re
liabl
e’ac
cept
‘in
case
one
was
an
odd
resu
lt’
‘cha
nge
the
num
ber
ofbo
oks’
or
‘cha
nge
the
size
ofth
e bo
oks’
are
insu
ffic
ient
‘lift
the
ram
p hi
gher
’is
insu
ffic
ient
do n
ot
awar
d a
mar
k fo
r an
swer
s im
plyi
ng t
heus
e of
a di
ffer
ent
ram
p
do n
ot
acce
pt‘3
4’‘b
ecau
se t
here
was
no
patte
rn’i
s in
suff
icie
nt
do n
ot
acce
pt‘to
mak
e it
a fa
ir te
st’
b i
1/2j
b i
i
1/2k
1/2j
1 1
* 26
cm
* in
crea
ses
acce
pt ‘g
oes
up’
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 17
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
18
Tie
r
3–6
5–7
Q N
o
9 1
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2j
a i
i
1/2m
1/2k
a i
ii
2/5a
1 1 1
* m
ore
fishi
ng b
oats
any
on
efr
om*
over
fishi
ng
* fis
h w
ere
caug
ht b
efor
e th
ey c
ould
bre
ed*
fish
wer
e no
t al
low
ed t
ime
to b
reed
any
on
efr
om*
to a
llow
num
bers
to
reco
ver
or
incr
ease
* to
allo
w m
ore
herr
ing
to b
reed
* to
allo
w m
ore
herr
ing
to m
atu
re
acce
pt ‘m
ore
peop
le w
ere
fishi
ng’
acce
pt ‘m
ore
fishi
ng’
acce
pt ‘m
ore
boa
ts’
acce
pt ‘t
oo m
any
fish
wer
e ca
ught
’ac
cept
‘few
fis
h or
her
ring
wer
e le
ft in
the
sea
’
acce
pt ‘f
ish
wer
e sm
alle
r’
acce
pt‘s
o th
e he
rrin
g w
ould
be
old
enou
gh o
rm
atu
re e
noug
h to
bre
ed’
acce
pt ‘i
t is
the
bre
edin
g tim
e’
‘mor
e be
ing
caug
ht’i
s in
suff
icie
nt
‘lots
of
fish
wer
e ca
ught
’is
insu
ffic
ient
do n
ot
acce
pt‘n
o he
rrin
g o
rfis
h le
ft’do
no
tac
cept
‘too
man
y bo
ats
’
‘the
herr
ing
are
too
youn
g’is
insu
ffic
ient
‘less
bei
ng c
augh
t’is
insu
ffic
ient
do n
ot
acce
pt‘th
ey w
ere
beco
min
g ex
tinct
’‘to
allo
w h
errin
g to
be
born
’is
insu
ffic
ient
‘ther
e w
ere
few
er h
errin
g le
ft’is
insu
ffic
ient
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 18
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
19
Tie
r
3–6
5–7
Q N
o
9 1
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
b i
2/5d
b i
i
2/5d
1 1
any
on
efr
om*
cod
eat
sand
eel
s in
stea
d of
herr
ing
* co
d ea
t m
ore
sand
eel
s*
cod
eat
cape
lin in
stea
d of
herr
ing
so t
here
isle
ss f
ood
for
sand
eel
s
any
on
efr
om*
ther
e w
ould
be
mor
e an
imal
pla
nkto
n*
few
er c
od
acce
pt ‘c
od w
ould
ea
t m
ore
cape
lin’
acce
pt ‘c
od w
ould
ea
t th
e sa
nd e
els’
food
’
acce
pt ‘m
ore
plan
kton
’
‘cod
hav
e to
ea
t so
met
hing
els
e’is
insu
ffic
ient
‘cod
ea
t sa
nd e
els’
is in
suff
icie
nt‘le
ss fo
od fo
r sa
nd e
els’
is in
suff
icie
nt a
s it
impl
ies
tha
t sa
nd e
els
eat
herr
ing
‘bec
ause
the
cod
onl
y ha
d tw
o ch
oice
s’is
insu
ffic
ient
‘they
will
hav
e m
ore
to e
at
or
mor
e fo
od’
is in
suff
icie
nt‘th
e an
imal
pla
nkto
n w
ould
get
big
ger’
is in
suff
icie
nt‘le
ss f
ood
for
cod’
is in
suff
icie
nt
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 19
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
20
[Bla
nk p
ag
e]
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 20
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
21
Tie
r
3–6
5–7
Q N
o
10 2
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2m
2/5c
1*
leav
es a
re b
igge
rac
cept
‘the
re a
re le
aves
or
a ca
nopy
’ac
cept
‘lea
ves
open
or
gro
w’
‘tree
s bl
ock
the
light
’is
insu
ffic
ient
b
2/3a
2/5c
2an
y tw
ofr
om*
light
is n
eede
d fo
r ph
otos
ynth
esis
* m
ore
(pho
tosy
nthe
sis)
* lig
ht p
rovi
des
ener
gy f
or g
row
th*
biom
ass
or
food
or
suga
r o
rst
arch
or
carb
ohyd
rate
is p
rodu
ced
acce
pt ‘p
hoto
synt
hesi
s’ac
cept
,fo
r tw
o m
arks
,‘th
e ra
te o
ram
ount
of
phot
osyn
thes
is in
crea
ses
ifth
e lig
ht in
crea
ses’
‘they
nee
d lig
ht t
o g
row
’is
insu
ffic
ient
‘ligh
t is
a s
ourc
e of
food
’is
insu
ffic
ient
c
2/2k
1 1*
gluc
ose
* w
ate
ran
swer
s m
ust
be in
the
cor
rect
ord
er
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 21
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
22
Tie
r3–6
5–7
Q N
o11 3
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2m
2/5a
1an
y tw
ofr
om*
less
or
no c
ompe
titio
n fo
r fo
od*
plen
ty o
ffo
od o
rw
ate
r o
rth
ey g
et f
ed
* th
ey h
ave
shel
ter
* ve
terin
ary
or
med
ical
tre
atm
ent
* th
ey a
re le
ss li
kely
to
be in
jure
d o
rki
lled
or
ther
e is
no
hunt
ing
oflio
ns
acce
pt ‘g
ood
or
bala
nced
die
t’ac
cept
‘pro
tect
ed f
rom
bad
wea
ther
’ac
cept
‘the
y ar
e va
ccin
ate
d’
acce
pt ‘t
hey
are
kept
hea
lthie
r’
acce
pt ‘t
hey
do n
ot f
ight
as
muc
h’ac
cept
‘the
re a
re n
o pr
eda
tors
of
lions
’
bo
than
swer
s ar
e re
quire
d fo
r th
e m
ark
‘they
are
look
ed a
fter’
is in
suff
icie
nt‘p
rote
ctio
n’is
insu
ffic
ient
bec
ause
it is
not
spe
cific
‘they
get
few
er d
isea
ses’
is in
suff
icie
ntdo
no
tac
cept
‘they
are
less
like
ly to
get
a d
isea
se’
‘they
are
hea
lthie
r’is
insu
ffic
ient
b i
1/2j
b i
i
1/2j
1 1
* an
app
ropr
iate
line
of
best
fit
any
on
efr
om*
anim
als
with
long
er p
regn
anci
es li
ve lo
nger
* th
e sh
orte
r th
e pr
egna
ncy
the
shor
ter
the
life
span
acce
pt ‘t
he s
hort
er t
he li
fe s
pan
the
shor
ter
the
preg
nanc
y’
acce
pt a
cur
ved
or
stra
ight
line
a co
mpa
rativ
e an
swer
is r
equi
red
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 22
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
23
Tie
r3–6
5–7
Q N
o11 3
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
c i
1/2i
c i
i
1/2l
2 1
* al
l thr
ee p
oint
s pl
otte
d co
rrec
tly
* no
✔
any
on
efr
om*
the
data
is m
ore
sca
ttere
d*
ther
e is
no
link
betw
een
the
num
ber
ofda
ys
preg
nant
and
the
exp
ecte
d lif
e sp
an*
the
hum
an h
as t
he lo
nges
t lif
e sp
an b
ut t
hesh
orte
st p
regn
ancy
* th
e gi
raff
e ha
s th
e sh
orte
st li
fe s
pan
but
the
long
est
preg
nanc
y*
the
(new
) po
ints
sho
w t
he lo
nger
the
pre
gnan
cyth
e sh
orte
r th
e lif
e sp
an
acce
pt a
tol
eran
ce o
f±
half
a sm
all s
quar
e
acce
pt ‘t
hey
do n
ot g
o up
in a
str
aigh
t lin
e’ac
cept
‘the
y do
not
fit
the
line
ofbe
st f
it’
acce
pt ‘g
iraff
es o
rho
rses
hav
e a
long
erpr
egna
ncy
than
hum
ans
but
a sh
orte
r lif
e sp
an’
acce
pt t
he c
onve
rse
acce
pt ‘t
hey
are
oppo
site
to
the
othe
r re
sults
’
ifal
l thr
ee p
oint
s ar
e co
rrec
t,aw
ard
two
mar
ksif
one
or
two
poin
ts a
re c
orre
ct,
awar
d on
e m
ark
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
bo
thth
e an
swer
and
the
cor
rect
exp
lana
tion
are
requ
ired
for
the
mar
k
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 23
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
24
Tie
r
3–6
5–7
Q N
o
12 4
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2k
3/1a
a i
i
1/2k
3/1a
a i
ii
1/2k
3/1a
a i
v
1/2k
3/1a
1 1 1 1
* m
ercu
ry
* iro
n
* m
ercu
ry
* al
umin
ium
acce
pt ‘H
g’
acce
pt ‘F
e’
acce
pt ‘H
g’
acce
pt ‘A
l’
b i
3/1a
1/2i
b i
i
3/1a
1/2i
b i
ii
3/1a
1/2i
1 1 1
* an
arr
ow d
raw
n a
t 0°
C
* ga
s
✔
* liq
uid
✔
acce
pt a
ny u
nam
bigu
ous
indi
catio
n
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
To
tal
7
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 24
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
25
Tie
r
3–6
5–7
Q N
o
13 5
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
3/1h
BS
/1b
a i
i
1/2f
3/1b
1 1
any
on
efr
om*
to s
top
wa
ter
vapo
ur o
rst
eam
esc
apin
g*
to s
top
lave
nder
oil
vapo
ur e
scap
ing
* to
red
uce
hea
t lo
ss
any
on
efr
om*
it co
uld
expl
ode
* it
coul
d br
eak
acce
pt ‘g
as o
rva
pour
or
part
icle
s co
uld
esca
pe’
acce
pt ‘t
o st
op o
il es
capi
ng’
acce
pt ‘t
o m
ake
sure
the
oil
goes
dow
n th
e tu
be’
acce
pt ‘t
he o
il o
rva
pour
s co
uld
not
be c
olle
cted
’ac
cept
‘to
stop
hea
t lo
ss’o
r‘to
kee
p he
at
in’
acce
pt ‘t
o st
op t
he h
eat
esca
ping
’ac
cept
‘to
mai
ntai
n th
e pr
essu
re’
acce
pt ‘t
he li
d m
ight
com
e of
f’ac
cept
‘so
the
pres
sure
doe
s no
t br
eak
the
seal
’
‘to s
top
wa
ter
esca
ping
or
spill
ing
out’
isin
suff
icie
nt
‘to s
top
the
smel
l esc
apin
g’is
insu
ffic
ient
‘the
pres
sure
wou
ld b
e to
o hi
gh’i
s in
suff
icie
nt‘it
wou
ld g
et t
oo h
ot’i
s in
suff
icie
nt
b i
3/2c
b i
i
3/1a
1 1
* fr
omga
s to
liqui
d
any
on
efr
om*
it si
nks
* it
is a
t th
e bo
ttom
acce
pt ‘l
aven
der
oil f
loa
ts’
acce
pt ‘t
he o
il is
on
the
top’
bo
than
swer
s ar
e re
quire
d fo
r th
e m
ark
answ
ers
mus
t be
in t
he c
orre
ct o
rder
‘they
are
not
mix
ed’i
s in
suff
icie
nt
c
3/1b
1*
Bif
mor
e th
an o
ne le
tter
is id
entif
ied,
awar
d no
mar
k
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 25
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
26
Tie
r
3–6
5–7
Q N
o
14 6
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2c
4/5f
1*
Afr
ican
its e
ars
have
a la
rger
sur
face
are
aac
cept
‘lar
ger
surf
ace
area
’ac
cept
‘lar
ger
ears
’
bo
thth
e an
swer
and
the
cor
rect
exp
lana
tion
are
requ
ired
for
the
mar
k‘th
ey h
ave
larg
e ea
rs’i
s in
suff
icie
nt
b i
1/2d
b i
i
1/2i
1 1
any
on
efr
om*
he u
sed
iden
tical
can
s
* he
use
d th
e sa
me
amou
nt o
fw
ate
r
any
on
efr
om*
the
patte
rn o
rre
latio
nshi
p ca
n be
see
n m
ore
easi
ly o
rm
ore
quic
kly
* an
omal
ous
resu
lts c
an b
e se
en m
ore
quic
kly
or
easi
ly
acce
pt ‘t
he c
ans
wer
e m
ade
ofth
e sa
me
met
al’
acce
pt ‘t
he c
ans
wer
e th
e sa
me
size
or
shap
e’ac
cept
‘he
used
the
sam
e m
etal
for
the
str
ips’
acce
pt ‘h
e ke
pt t
hem
in t
he s
ame
plac
e’
acce
pt ‘t
he p
atte
rn o
rre
latio
nshi
p is
cle
arer
’
acce
pt ‘t
he t
empe
ratu
re c
hang
e is
cle
arer
’ac
cept
‘the
pa
ttern
can
be
seen
str
aigh
t aw
ay’
acce
pt ‘y
ou c
an c
ompa
re t
hem
mor
e ea
sily
’
acce
pt ‘y
ou c
an m
ake
pred
ictio
ns m
ore
easi
ly o
r
mor
e qu
ickl
y’
‘he
used
met
al f
or t
he s
trip
s’is
insu
ffic
ient
‘he
took
the
tem
pera
ture
eve
ry 5
min
utes
for
both
’is
insu
ffic
ient
‘the
patte
rn o
rth
e w
ay t
he t
empe
ratu
re c
hang
esca
n be
see
n’is
insu
ffic
ient
‘it is
cle
arer
’is
insu
ffic
ient
‘to s
ee t
hem
bet
ter’
is in
suff
icie
nt
do n
ot
acce
pt‘a
gra
ph is
mor
e ac
cura
te’
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 26
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
27
Tie
r
3–6
5–7
Q N
o
14 6
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
b i
ii
1/2l
1*
yes
✔th
e g
rea
ter
the
surf
ace
area
of
met
al t
heg
rea
ter
the
hea
t lo
ss o
rth
e lo
wer
the
tem
pera
ture
acce
pt ‘t
he b
igge
r st
rips
caus
e th
e g
rea
test
hea
tlo
ss’
acce
pt ‘m
etal
A r
epre
sent
s bi
g ea
rs’
acce
pt ‘t
he c
an w
ith b
igge
r st
rips
cool
ed m
ore
quic
kly’
acce
pt a
nsw
ers
tha
t re
late
the
siz
e o
rsu
rfac
e of
the
strip
s to
the
siz
e o
rsu
rfac
e of
the
ears
acce
pt ‘n
o’an
d a
rele
vant
sup
port
ing
expl
ana
tion
on
ly i
f‘In
dian
ele
phan
t’is
giv
en a
s an
ans
wer
to
part
(a)
.A
n ex
ampl
e w
ould
be
‘no,
as I
tho
ught
smal
ler
ears
wou
ld c
ool q
uick
er’
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
bo
thth
e an
swer
‘yes
’and
the
cor
rect
expl
ana
tion
are
requ
ired
for
the
mar
k
do n
ot
acce
pt‘c
an B
was
a b
ette
r in
sula
tor’
c
1/2g
1an
y o
ne
from
* it
redu
ces
erro
r
* re
adin
gs a
re c
ontin
uous
* it
can
draw
a g
raph
acce
pt ‘i
t is
mor
e ac
cura
te’
acce
pt ‘l
ess
hum
an e
rror
’or
‘is m
ore
relia
ble’
acce
pt ‘i
t is
mor
e pr
ecis
e’ac
cept
‘it
take
s m
ore
read
ings
’
acce
pt ‘y
ou c
an le
ave
it to
tak
e re
sults
’ac
cept
‘it
wou
ld r
ecor
d th
e re
sults
for
him
’‘y
ou c
an le
ave
it’is
insu
ffic
ient
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 27
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
28
Tie
r
3–6
5–7
Q N
o
15 7
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
4/1a
a i
i
4/1a
1 1
* *
acce
pt a
sw
itch
draw
n an
d la
belle
d A
mar
ked
on a
ny p
art
ofth
e ci
rcui
t hi
ghlig
hted
acce
pt a
sw
itch
draw
n an
d la
belle
d B
mar
ked
on a
ny p
art
ofth
e ci
rcui
t hi
ghlig
hted
do n
ot
acce
pta
switc
h a
t ei
ther
junc
tion
the
switc
h m
ust
be la
belle
d fo
r th
e m
ark
do n
ot
acce
pta
switc
h a
t ei
ther
junc
tion
the
switc
h m
ust
be la
belle
d fo
r th
e m
ark
b 4/3f
1*
they
are
abs
orbe
dac
cept
‘the
y ar
e bl
ocke
d o
rfil
tere
d ou
t’‘th
ey a
re f
ilter
ed’i
s in
suff
icie
nt
c
4/5e
4/5g
1 1 1 1
* ch
emic
al
* el
ectr
ical
* lig
ht
* th
erm
al
answ
ers
mus
t be
in t
he c
orre
ct o
rder
‘hea
t’is
insu
ffic
ient
as
the
ques
tion
asks
for
aw
ord
from
the
box
To
tal
7
B
A
B
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 28
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
On
e
29
Tie
r
3–6
5–7
Q N
o
16 8
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2m
4/4c
1an
y o
ne
from
* V
enus
is n
eare
r to
the
Sun
* th
e S
un’s
gra
vity
on
Ven
us is
gre
ate
r*
it tr
avel
s fa
ster
* it
has
a sm
alle
r or
bit
acce
pt ‘i
t do
es n
ot h
ave
as f
ar t
o go
’
a co
mpa
rativ
e st
ate
men
t is
nee
ded
‘it is
clo
ser’
is in
suff
icie
nt
b
4/3b
4/4d
1 1
* a
stra
ight
line
fro
m t
he S
un t
o V
enus
an
da
stra
ight
line
fro
m V
enus
to
Ear
th*
arro
ws
draw
n on
bot
h ra
ys in
the
cor
rect
dire
ctio
n
acce
pt t
wo
disc
ontin
uous
str
aigh
t lin
es t
hat
touc
h th
e S
un,
Ven
us a
nd t
he E
arth
do n
ot
acce
pta
line
from
the
Sun
whi
ch t
ouch
esth
e E
arth
c i
1/1a
1/1c
c i
i
1/2m
4/4b
1 1
any
on
efr
om*
they
had
not
bee
n di
scov
ered
* th
ey h
ad n
ot b
een
seen
any
on
efr
om*
the
Ear
th is
not
at
the
cent
re*
the
plan
ets
do n
ot g
o ro
und
the
Ear
th o
rth
epl
anet
s or
bit
the
Sun
* th
e E
arth
goe
s ro
und
the
Sun
* th
e S
un is
in t
he m
iddl
e
acce
pt ‘h
e di
d no
t kn
ow t
hey
exis
ted’
acce
pt ‘t
hey
coul
d no
t be
see
n’
acce
pt a
nsw
ers
whi
ch g
ive
the
corr
ect
orde
r of
the
plan
ets
in t
he s
olar
sys
tem
do n
ot
acce
pt‘th
ey d
id n
ot e
xist
’‘th
ey a
re t
oo f
ar a
way
’is
insu
ffic
ient
answ
ers
mus
t re
fer
to t
he a
rran
gem
ent
and
no
t
to m
issi
ng p
lane
ts
‘ther
e ar
e m
ore
plan
ets’
is in
suff
icie
nt
To
tal
5
Ven
us
Sun
Ear
thV
enus
Sun
Ear
th
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 29
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
30
Tie
r
5–7
Q N
o
9
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2d
a i
i
1/2e
a i
ii
1/2h
1 1 1
any
on
efr
om*
to s
ee h
ow t
he h
eart
ra
te h
ad c
hang
ed
* to
com
pare
the
ra
te b
efor
e an
d af
ter
the
trea
tmen
t
* so
the
wa
ter
fleas
cou
ld a
djus
t to
the
sol
utio
no
rse
ttle
dow
n
* us
e m
ore
than
20
wa
ter
fleas
in e
ach
gro
up
acce
pt ‘t
o se
e th
e re
sult
ofth
e tr
eatm
ent’
or
‘tose
e if
the
trea
tmen
t m
ade
a di
ffer
ence
’ac
cept
‘to
get
a ba
selin
e o
rst
anda
rd’o
r‘to
m
ake
a co
mpa
rison
’
acce
pt ‘t
o al
low
tim
e fo
r th
e dr
ug t
o w
ork’
acce
pt ‘t
o al
low
the
tre
atm
ent
to g
et a
roun
d its
body
’
acce
pt ‘u
se m
ore
wa
ter
fleas
’ac
cept
‘rep
eat
it w
ith t
he s
ame
fleas
afte
r th
eef
fect
s ha
ve w
orn
off’
‘to m
ake
it a
fair
test
’or
‘for
a co
ntro
l’ar
ein
suff
icie
nt r
espo
nses
‘repe
at
it’is
insu
ffic
ient
b i
1/2d
1*
to s
how
ifal
coho
l or
kava
aff
ects
the
he
art
rate
s o
rw
ate
r fle
asac
cept
‘it
show
s al
coho
l alo
ne in
crea
ses
or
affe
cts
the
hear
t ra
te’
acce
pt ‘t
o se
e w
hat
effe
ct a
lcoh
ol h
as’
acce
pt ‘t
o sh
ow it
is t
he k
ava
tha
t af
fect
s o
r
redu
ces
the
hear
t ra
te o
ffle
as’
acce
pt ‘t
o sh
ow it
is n
ot a
lcoh
ol t
hat
affe
cts
or
redu
ces
the
hear
t ra
te’
acce
pt ‘(
it ac
ts)
as a
con
trol
’
‘as
a co
mpa
rison
’is
insu
ffic
ient
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 30
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
31
Tie
r
5–7
Q N
o
9
Part
Mark
An
sw
er
Accep
tA
dd
itio
na
l g
uid
an
ce
b i
i
1/2k
1an
y o
ne
from
* ta
ke t
he a
vera
ge h
eart
ra
te r
esul
ting
from
kav
a in
alc
ohol
aw
ay f
rom
the
ave
rage
hea
rt r
ate
re
sulti
ng f
rom
alc
ohol
* ta
ke t
he d
iffer
ence
bet
wee
n ka
va in
alc
ohol
an
d al
coho
l onl
y*
look
at
the
diff
eren
ce b
etw
een
gro
up 1
and
gro
up 2
afte
r tr
eatm
ent
acce
pt ‘a
dd t
he in
crea
se w
ith a
lcoh
ol t
o th
ede
crea
se w
ith k
ava
and
alco
hol’
acce
pt ‘s
ubtr
act
35 f
rom
41
or
42’
c
1/2o
1an
y o
ne
from
* th
ere
may
be
side
eff
ects
* th
e ef
fect
cou
ld b
e di
ffer
ent
in h
uman
s*
it ha
s no
t be
en t
este
d on
hum
ans
* hu
man
hea
rts
are
diff
eren
t fr
om f
leas
’hea
rts
acce
pt ‘h
uman
s ar
e bi
gger
or
from
a d
iffer
ent
gro
up o
rsp
ecie
s’ac
cept
‘we
do n
ot k
now
any
thin
g ab
out
the
dose
or
amou
nt g
iven
’
‘they
are
not
the
sam
e’o
r‘th
ey a
re d
iffer
ent
anim
als’
are
insu
ffic
ient
res
pons
es
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 31
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
Tie
r
5–7
Q N
o
10
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
2/1b
1*
gene
tic m
ate
rial o
rge
nes
or
DN
Aac
cept
‘nuc
leus
’ac
cept
‘chr
omos
omes
’
b
2/2n
1 1
meth
od
* to
uch
or
cont
act
pre
ven
tio
n
any
on
efr
om*
was
h ha
nds
befo
re o
raf
ter
touc
hing
a p
atie
nt
or
befo
re o
raf
ter
touc
hing
sur
face
s o
rar
ticle
s*
use
alco
hol r
ub w
hen
ente
ring
or
leav
ing
war
d o
rro
om o
rho
spita
l
meth
od
* co
ughi
ng o
rsn
eezi
ng
pre
ven
tio
n
* co
ver
mou
th o
rno
se o
rus
e a
hand
kerc
hief
or
wea
r a
mas
k
acce
pt ‘q
uara
ntin
e pa
tient
s su
spec
ted
ofca
rryi
ngdi
seas
e’ac
cept
‘cha
nge
glov
es b
etw
een
patie
nts’
acce
pt ‘s
top
cont
act
with
oth
ers’
or
‘lim
it vi
sito
rs’
acce
pt ‘t
hrou
gh t
he a
ir’o
r‘b
rea
thin
g on
som
eone
’
acce
pt ‘q
uara
ntin
e pa
tient
s su
spec
ted
ofca
rryi
ngdi
seas
e’ac
cept
‘sto
p co
ntac
t w
ith o
ther
s’o
r‘li
mit
visi
tors
’
each
meth
od
of
pre
ven
tio
n m
us
t b
e r
ela
ted
to
the m
eth
od
of
sp
read
fo
r a m
ark
the
met
hod
ofsp
read
an
dpr
even
tion
are
requ
ired
for
each
mar
kth
e sa
me
prev
entio
n m
etho
d ca
nnot
be
used
for
both
met
hods
of
spre
ad
‘cle
anin
g’o
r‘w
ashi
ng h
ands
’are
insu
ffic
ient
‘wea
ring
glov
es’i
s in
suff
icie
nt
32
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 32
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
33
Tie
r
5–7
Q N
o
10
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
c
2/2n
3an
y th
ree
from
* va
ccin
e co
ntai
ns a
dea
d o
rw
eake
ned
form
of
the
bact
eriu
m o
rvi
rus
* an
tibod
ies
or
antit
oxin
s (a
re p
rodu
ced)
* (m
ade
by)
whi
te b
lood
cel
ls*
furt
her
infe
ctio
ns a
re p
reve
nted
or
bact
eria
or
viru
ses
or
toxi
ns a
re d
estr
oyed
acce
pt ‘i
njec
t w
ith p
rote
in f
rom
the
bac
teriu
m o
r
viru
s’
acce
pt ‘w
hite
cel
ls’
acce
pt ‘k
ills
the
bact
eria
or
viru
ses’
‘it c
onta
ins
a sm
all a
mou
nt o
fba
cter
ia o
rvi
rus’
is in
suff
icie
nt
‘sto
p yo
u ge
tting
it a
gain
’is
insu
ffic
ient
‘figh
ts b
acte
ria’i
s in
suff
icie
nt
‘you
bec
ome
imm
une
to t
he d
isea
se’i
sin
suff
icie
nt a
s it
is g
iven
in t
he q
uest
ion
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 33
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
34
Tie
r
5–7
Q N
o
11
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
4/2a
a i
i
1/2a
1/2h
1/2e
1 2 1
* 0.
75s
any
two
from
* m
easu
re t
he d
epth
of
the
wa
ter
* m
easu
re t
he t
ime
for
the
wav
e to
tra
vel
* w
ork
out
the
spee
d*
mak
e su
re t
he w
aves
are
the
sam
e si
ze o
rus
eth
e sa
me
forc
e o
rre
pea
t a
t th
e sa
me
dept
h
* re
pea
t a
t di
ffer
ent
dept
hs
acce
pt
o
r
acce
pt a
n an
swer
tha
t in
dica
tes
how
hig
h to
fill
the
tank
,fo
r ex
ampl
e ‘fi
ll th
e ta
nk t
o 10
cm
’ac
cept
‘mea
sure
the
spe
ed o
fth
e w
ave’
acce
pt ‘a
dd m
ore
wa
ter
or
chan
ge t
he d
epth
and
do it
aga
in’
acce
pt ‘r
epea
t w
ith d
iffer
ent
volu
mes
of
wa
ter’
b 1/2j
1 1
* A
to
B:
decr
ease
s o
rsl
ows
dow
n
* B
to
C:
rem
ains
con
stan
t o
rst
ays
the
sam
edo
no
tac
cept
‘get
s sl
ower
’
To
tal
6
1.5 2
3 4‘
’‘
’
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 34
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
35
Tie
r
5–7
Q N
o
12
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
3/1f
3/3e
a i
i
3/1f
2 1
* so
dium
chl
orid
e +
* w
ate
r
* H
2O
acce
pt ‘h
ydro
gen
oxid
e’fo
r w
ate
ran
swer
s m
ust
be in
the
cor
rect
ord
er
b
3/2g
1an
y o
ne
from
* th
e sa
me
ato
ms
are
pres
ent
in t
he r
eact
ants
an
d th
e pr
oduc
ts
* no
gas
was
giv
en o
ff
acce
pt ‘m
ass
is c
onse
rved
’
acce
pt ‘n
othi
ng w
as a
dded
or
lost
’
‘the
mas
s di
d no
t ch
ange
’is
insu
ffic
ient
‘the
part
icle
s ar
e th
e sa
me’
is in
suff
icie
ntdo
no
tac
cept
‘the
mol
ecul
es a
re t
he s
ame’
c i
3/3e
3/1f
c i
i
3/2g
3/3e
1 1
* so
dium
chl
orid
eca
rbon
dio
xide
wa
ter
any
on
efr
om*
carb
on d
ioxi
de o
rga
s es
cape
s*
carb
on d
ioxi
de is
a g
as*
one
ofth
e pr
oduc
ts is
a g
as o
res
cape
s
answ
ers
may
be
in a
ny o
rder
all t
hre
ean
swer
s ar
e re
quire
d fo
r th
e m
ark
‘mas
s is
lost
’is
insu
ffic
ient
as
it is
giv
en in
the
ques
tion
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 35
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
36
Tie
r
5–7
Q N
o
13
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2e
1an
y o
ne
from
* th
e or
igin
al h
eigh
t of
the
plan
k an
d th
e he
ight
with
mas
ses
* th
e he
ight
of
the
plan
k be
fore
and
afte
r ad
ding
mas
ses
acce
pt ‘t
ake
the
heig
ht w
ith t
he m
ass
adde
daw
ay f
rom
the
hei
ght
ofth
e ta
ble’
acce
pt ‘t
ake
the
heig
ht o
fth
e pl
ank
with
the
mas
sad
ded
away
fro
m t
he h
eigh
t w
ith n
o m
ass’
acce
pt ‘v
ertic
al d
ista
nce
mov
ed’
‘dis
tanc
e m
oved
’is
insu
ffic
ient
b i
1/2i
1/2j
b i
i
4/2b
1 1 1
* fiv
e po
ints
plo
tted
to w
ithin
one
sm
all s
quar
e *
smoo
th c
urve
of
best
fit
any
on
efr
om*
the
wei
ght
or
mas
s of
the
(woo
den)
pla
nk*
the
(larg
er)
over
hang
acce
pt a
n ap
prop
riate
str
aigh
t lin
e of
best
fit
‘the
wei
ght
or
mas
s’is
insu
ffic
ient
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 36
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
On
e
37
Tie
r
5–7
Q N
o
13
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
c i
1/2j
c i
i
1/2j
1 1
* as
the
mas
s in
crea
ses
the
sag
incr
ease
s
any
on
efr
om*
ther
e is
mor
e sa
g fo
r ea
ch m
ass
* th
e in
crea
se in
sag
is n
ot c
onst
ant
* th
e in
crea
se in
sag
get
s le
ss
acce
pt t
he c
onve
rse
acce
pt ‘t
he li
nes
both
wen
t up
’ac
cept
‘sag
incr
ease
s in
bot
h’
acce
pt ‘t
he p
lank
sag
s m
ore’
acce
pt ‘i
n th
e se
cond
tes
t th
ey d
id n
ot g
o up
ineq
ual a
mou
nts’
acce
pt ‘f
irst
test
giv
es a
str
aigh
t lin
e,th
e se
cond
was
a c
urve
’ac
cept
‘firs
t w
ent
up g
radu
ally
,th
e se
cond
wen
tup
ste
eply
’‘th
e pl
ank
sagg
ed b
efor
e he
add
ed a
ny m
ass’
isin
suff
icie
nt
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:34 pm Page 37
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
38
Tie
r
3–6
Q N
o
1
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
BS
/2a
4/1a
2aw
ard
two
mar
ks f
or a
ll fo
ur
corr
ect
lines
awar
d on
e m
ark
for
any
two
or t
hre
eco
rrec
tlin
esif
mor
e th
an o
ne li
ne is
dra
wn
from
any
box
,do
not
cred
it ei
ther
line
b
4/1a
1 1
* of
f✔
off
✔
* on
✔on
✔
both
tic
ks a
re r
equi
red
for
the
mar
kif
mor
e th
an o
ne b
ox is
tic
ked
in a
ny r
ow,
awar
dno
mar
kbo
th t
icks
are
req
uire
d fo
r th
e m
ark
ifm
ore
than
one
box
is t
icke
d in
any
row
,aw
ard
no m
ark
c
4/1c
1*
batte
ry
acce
pt ‘c
ell’
or
‘cel
ls’
d
3/1d
1*
Cop
per
is a
goo
d co
nduc
tor
ofel
ectr
icity
.✔
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
To
tal
6
*
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 38
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
39
Tie
r
3–6
Q N
o
2
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
4/4c
4/4e
1*
gra
vity
✔if
mor
e th
an o
ne b
ox is
tic
ked,
awar
d no
mar
k
b
4/4e
1an
y o
ne
from
* te
leco
mm
unic
atio
ns*
tele
visi
on o
rT
V*
tele
phon
es*
radi
o*
wea
ther
* m
ilita
ry o
rsp
y ob
serv
atio
ns*
land
use
obs
erva
tions
* G
PS
* in
tern
et*
mon
itorin
g o
rta
king
pic
ture
s of
the
Ear
th
acce
pt ‘c
omm
unic
atio
n’
acce
pt ‘p
hone
’or
‘fax’
acce
pt ‘n
avig
atio
n’
‘look
ing
at
or
taki
ng p
ictu
res
ofpl
anet
s o
rst
ars
or
gala
xies
’is
insu
ffic
ient
as
it is
giv
en in
the
ques
tion
c
4/4d
1*
prod
uces
refle
cts
answ
ers
mus
t be
in t
he c
orre
ct o
rder
bo
than
swer
s ar
e re
quire
d fo
r th
e m
ark
d 1/2i
1*
a ba
r dr
awn
to 4
e i
4/4b
e i
i
1/2m
4/4b
1 1
* H
ubbl
e te
lesc
ope
Ear
th
S
un
* T
hey
are
furt
her
away
tha
n th
e S
un ✔
acce
pt‘H
ubbl
e’o
r‘te
lesc
ope’
forH
ubbl
ete
lesc
ope
answ
ers
mus
t be
in t
he c
orre
ct o
rder
all t
hree
ans
wer
s ar
e re
quire
d fo
r th
e m
ark
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 39
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
40
Tie
r
3–6
Q N
o
3
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2g
a i
i
1/2m
3/2e
2 1
any
two
from
* sm
ooth
er o
rro
unde
r*
brok
en o
rcr
umbl
ed o
rcr
ushe
d o
r it
was
sm
alle
r pi
eces
* po
wde
r o
rdu
st f
orm
ed
* it
was
har
der
than
the
cha
lk
acce
pt ‘i
t w
as m
ore
like
a pe
bble
’ac
cept
‘it
erod
ed’o
r‘it
wea
ther
ed’
acce
pt ‘i
t w
as h
ard
or
stro
ng’
‘it d
id n
ot e
rode
or
wea
ther
’is
insu
ffic
ient
‘it is
sol
id’i
s in
suff
icie
nt
b
1/2m
3/2e
1*
chal
k:B
g
rani
te:
Ab
oth
answ
ers
are
requ
ired
for
the
mar
kan
swer
s m
ust
be in
the
cor
rect
ord
er
c i
3/2f
c i
i
1/2k
1 1
* fo
ssils
* st
arfis
h
✔it
is t
he s
ame
shap
e o
rha
s fiv
e pa
rts
acce
pt ‘i
t lo
oks
like
a st
ar o
rst
arfis
h’ac
cept
‘it
has
five
legs
’
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
bo
thth
e an
swer
and
the
cor
rect
exp
lana
tion
are
requ
ired
for
the
mar
k
d i
3/2f
d i
i
3/2f
1 1
any
on
efr
om*
it is
too
hot
for
ani
mal
s to
live
(in
mol
ten
rock
)
* th
ere
are
no a
nim
als
in m
agm
a o
rm
elte
d ro
ck
* m
agm
a ✔
acce
pt ‘a
nim
als
wou
ld b
e bu
rnt’
acce
pt ‘i
t is
too
hot
’ac
cept
‘fos
sils
are
des
troy
ed’
acce
pt ‘t
hey
wou
ld m
elt’
‘ani
mal
s do
not
live
und
erg
roun
d’is
insu
ffic
ient
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
To
tal
8
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 40
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
41
Tie
r
3–6
Q N
o
4
Part
Mark
An
sw
er
Accep
tA
dd
itio
na
l g
uid
an
ce
a
3/2c
3*
awar
d th
ree
mar
ks f
or a
ll f
ou
rco
rrec
t lin
esaw
ard
two
mar
ks f
or a
ny t
hre
eco
rrec
t lin
esaw
ard
one
mar
k fo
r an
y tw
oco
rrec
t lin
es
ifm
ore
than
one
line
is d
raw
n fr
om a
ny c
hang
eof
sta
te,
do n
ot c
redi
t th
at
chan
ge o
fst
ate
b 1/2j
3/1a
1*
0 °C
acce
pt ‘z
ero’
do n
ot
acce
pt‘n
othi
ng’
c
3/1a
1/2j
1*
it de
crea
sed
acce
pt ‘i
t go
t co
lder
’‘it
dro
pped
to
belo
w 0
°C’i
s in
suff
icie
ntan
y re
fere
nces
to
time
are
insu
ffic
ient
d
3/1a
4/2d
2*
San
d in
crea
ses
fric
tion
betw
een
car
tyre
s an
d th
e ro
ad.
✔
* S
alt
mak
es ic
e m
elt.
✔
ifm
ore
than
tw
o bo
xes
are
ticke
d,de
duct
a m
ark
for
each
inco
rrec
t bo
xm
inim
um o
fze
ro
To
tal
7
evap
ora
ting
mel
ting
cond
ensi
ng
solid
to
liqui
d
liqui
d to
gas
gas
to li
quid
liqui
d to
sol
idfr
eezi
ng
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 41
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
42
Tie
r
3–6
Q N
o
5
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
2/1a
BS
/2b
1*
brai
nac
cept
‘sku
ll’ac
cept
‘ear
s’ac
cept
‘eye
s’
do n
ot
acce
pt‘h
ead’
or
‘teet
h’o
r‘m
outh
’‘s
kin’
is in
suff
icie
nt
b
2/4b
1an
y o
ne
from
* th
ey h
ave
hair
* th
ey p
rodu
ce m
ilk*
they
giv
e bi
rth
acce
pt ‘t
hey
have
fur
’
acce
pt ‘t
hey
have
ext
erna
l ear
s’
‘it h
as a
tai
l’is
insu
ffic
ient
c 2/2i
2/2l
1
*
both
line
s ar
e re
quire
d fo
r th
e m
ark
ifm
ore
than
one
line
is d
raw
n fr
om a
ny o
rgan
,do
not
aw
ard
the
mar
k
It ta
kes
in o
xyge
n fa
ster
.
It m
oves
the
bon
es f
aste
r.
It di
gest
s fo
od f
aste
r.
It pu
mps
blo
od f
aste
r.
hear
t
lung
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 42
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
43
Tie
r
3–6
Q N
o
5
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
d i
2/4b
d i
i
2/5e
2 1
*T
hey
have
a s
egm
ente
d bo
dy.
✔
The
y ha
ve s
ix le
gs.
✔
The
y ha
ve t
wo
pairs
of
win
gs.
✔
*
all
thre
ean
swer
s ar
e re
quire
d fo
r bo
th m
arks
awar
d on
e m
ark
for
any
two
corr
ect
answ
ers
ifm
ore
than
thr
ee b
oxes
are
tic
ked,
dedu
ct a
mar
k fo
r ea
ch in
corr
ect
box
min
imum
mar
k ze
ro
both
line
s ar
e re
quire
d fo
r th
e m
ark
ifm
ore
than
one
line
is d
raw
n fr
om e
ither
fly
,do
not
aw
ard
the
mar
k
To
tal
6
herb
ivor
e
fem
ale
hors
efly
male
hors
efly
carn
ivor
e
prod
ucer
prey
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 43
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
44
Tie
r
3–6
Q N
o
6
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2i
a i
i
1/2i
a i
ii
1/2i
a i
v
1/2j
a v
1/2j
1 1 1 1 1
* 8
* 17
°C
* 18
* no
✔
any
on
efr
om*
18 s
eeds
ger
min
ate
d a
t bo
th t
empe
ratu
res
* th
e nu
mbe
r th
at
germ
ina
ted
was
the
sam
e
any
on
efr
om*
all t
he s
eeds
ger
min
ate
d o
rg
rew
* 20
see
ds g
erm
ina
ted
or
gre
w*
the
mos
t o
rm
ore
seed
s ge
rmin
ate
d o
rg
rew
acce
pt ‘t
he r
esul
ts w
ere
the
sam
e’ac
cept
‘the
bar
s ar
e th
e sa
me
heig
ht’
acce
pt ‘t
hey
all g
erm
ina
ted
or
gre
w’
acce
pt ‘t
he b
ar is
hig
her’
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
bo
thth
e an
swer
and
the
cor
rect
exp
lana
tion
are
requ
ired
for
the
mar
k
b
1/2d
1an
y o
ne
from
* he
use
d th
e sa
me
num
ber
ofse
eds
* he
cou
nted
the
m a
fter
two
days
or
afte
r th
e sa
me
time
* he
use
d th
e sa
me
type
of
seed
s o
rth
ey w
ere
all c
ress
see
ds*
he u
sed
filte
r pa
per
to g
row
all
the
seed
s on
* he
use
d 5
cm3
ofw
ate
r ea
ch d
ay
acce
pt ‘t
he s
ame
amou
nt o
fse
eds’
acce
pt ‘t
he s
ame
amou
nt o
fw
ate
r’
‘num
ber
ofse
eds’
is in
suff
icie
nt‘h
e co
unte
d th
e se
eds’
is in
suff
icie
nt
‘he
used
the
sam
e si
zed
dish
es’i
s in
suff
icie
nt
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 44
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 3–6 P
ap
er
Tw
o
45
Tie
r
3–6
Q N
o
7
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
2/5c
1an
y o
ne
from
* it
has
larg
e o
rw
ide
hand
s o
rpa
ws
* it
has
a po
inte
d he
ad o
rfa
ce o
rno
se
* it
has
stro
ng o
rbi
g cl
aws
acce
pt ‘i
ts p
aws
are
like
shov
els’
acce
pt ‘b
ig o
rst
rong
fee
t’ac
cept
‘it
has
a lo
ng n
ose’
acce
pt ‘i
t is
str
eam
lined
’ac
cept
‘it
has
shar
p o
rlo
ng c
law
s o
rna
ils’
acce
pt ‘e
yes
prot
ecte
d by
fur
’or
‘eye
s de
ep in
fur
’‘c
law
s’is
insu
ffic
ient
‘it h
as s
mal
l eye
s’is
insu
ffic
ient
b i
2/5e
b i
i
2/5e
1 1
* w
orm
* ow
lac
cept
‘bird
’
c i
4/5a
c i
i
4/5a
c i
ii
2/5a
2/5f
1 1 1
* th
e S
un
any
on
efr
om*
batte
ries
have
to
be r
epla
ced
* so
lar
pow
er is
fre
e*
sola
r po
wer
doe
s no
t ru
n ou
t*
it is
che
aper
to
run
any
on
efr
om*
it do
es n
ot k
ill t
he m
oles
* it
does
not
har
m o
ther
ani
mal
s*
pois
on k
ills
or
hurt
s m
oles
*po
ison
kill
s o
rhu
rts
owls
or
pred
ato
rs o
rot
her
livin
g th
ings
*po
ison
ent
ers
food
cha
ins
acce
pt ‘l
ight
’
acce
pt ‘i
t is
a r
enew
able
sou
rce
ofpo
wer
’ac
cept
‘it
is c
heap
er’
acce
pt ‘i
t is
hum
ane’
acce
pt ‘i
t do
es n
ot h
arm
hum
ans’
‘sol
ar’o
r‘s
olar
pan
el’o
r‘s
olar
ene
rgy’
are
insu
ffic
ient
‘it is
env
ironm
enta
lly f
riend
ly’i
s in
suff
icie
nt
‘it is
frie
ndlie
r’o
r‘it
is n
icer
’are
insu
ffic
ient
‘poi
son
is d
ange
rous
’is
insu
ffic
ient
‘you
do
not
have
to
get
rid o
fde
ad m
oles
’or
‘you
can
leav
e th
em in
the
tun
nel’
are
insu
ffic
ient
‘you
hav
e to
kee
p ad
ding
poi
son’
is in
suff
icie
nt‘s
o th
ey d
o no
t be
com
e ex
tinct
’is
insu
ffic
ient
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 45
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
46
Tie
r
3–6
5–7
Q N
o
8 1
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2m 4/3j
a i
i
1/2m
4/3k
a i
ii
1/2m
4/3k
1 1 1
* A
and
C
thei
r am
plitu
des
are
the
sam
e
* B
and
C
thei
r fr
eque
ncie
s ar
e th
e sa
me
* its
pitc
h be
com
es h
ighe
r
acce
pt ‘t
he w
aves
are
the
sam
e he
ight
’ac
cept
‘the
y ar
e eq
ually
tal
l’
acce
pt ‘t
he w
aves
are
the
sam
e di
stan
ce a
part
’
acce
pt ‘t
he w
ave
leng
ths
are
the
sam
e’ac
cept
‘the
re a
re t
he s
ame
num
ber
ofw
aves
’
acce
pt ‘t
he f
requ
ency
get
s hi
gher
’
lette
rs m
ay b
e in
eith
er o
rder
bo
thth
e le
tter
and
the
corr
ect
expl
ana
tion
are
requ
ired
for
the
mar
k‘th
e he
ight
of
the
wav
es’i
s in
suff
icie
nt‘th
ey a
re b
ig o
rta
ll’is
insu
ffic
ient
‘talle
r w
aves
are
loud
er’i
s in
suff
icie
ntdo
no
tac
cept
‘they
are
equ
ally
long
’
lette
rs m
ay b
e in
eith
er o
rder
bo
thth
e le
tter
and
the
corr
ect
expl
ana
tion
are
requ
ired
for
the
mar
k‘th
e di
stan
ce a
part
of
the
wav
es’i
s in
suff
icie
nt‘th
e le
ss s
pace
d ou
t th
e w
aves
,th
e hi
gher
the
pitc
h’is
insu
ffic
ient
‘they
are
the
sam
e le
ngth
or
thic
knes
s o
rw
idth
’is
insu
ffic
ient
‘it g
ets
high
er’i
s in
suff
icie
nt‘it
bec
omes
hig
h’is
insu
ffic
ient
b 1/2j
1*
any
num
ber
betw
een
4.5
and
7.5
hour
s(in
clus
ive)
c
4/3g
1an
y o
ne
from
* it
vibr
ate
s w
ith a
gre
ate
r am
plitu
de*
it ha
s la
rger
vib
ratio
nsac
cept
‘it
mov
es m
ore’
acce
pt ‘b
urst
ear
dru
m’
‘it v
ibra
tes
hard
er’a
nd ‘i
t vi
bra
tes
mor
e’ar
ein
suff
icie
nt r
espo
nses
do n
ot
acce
pt ‘i
t vi
bra
tes
fast
er’
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 46
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
47
Tie
r
3–6
5–7
Q N
o
9 2
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a 1/2i
1all t
hre
ean
swer
s ar
e re
quire
d fo
r th
e m
ark
b 1/2l
1an
y o
ne
from
* th
e he
ight
for
4 c
m is
4 t
imes
the
hei
ght
for
2 cm
* th
e g
raph
is a
cur
ve*
the
heig
ht f
or 2
cm
is n
ot t
wic
e th
e he
ight
for
1
cm*
the
heig
ht s
houl
d ha
ve b
een
40 c
m w
hen
he
pres
sed
it do
wn
4 cm
acce
pt ‘f
or 2
cm
it w
ent
20 c
m b
ut f
or 4
cm
itw
ent
80 c
m’
acce
pt ‘i
fI
doub
le t
he d
ista
nce
it go
es f
our
times
as h
igh’
acce
pt ‘t
he g
raph
is n
ot a
str
aigh
t lin
e’ac
cept
‘if
it go
es f
rom
2 t
o 3
cm,
the
heig
ht m
ore
than
dou
bles
’ac
cept
app
ropr
iate
arg
umen
ts f
or o
ther
val
ues
a m
ark
may
be
awar
ded
for
othe
r co
rrec
t fig
ures
‘whe
n sh
e do
uble
d th
e di
stan
ce it
did
not
dou
ble
the
heig
ht’i
s in
suff
icie
nt
c i
4/5e
c i
i
4/5e
c i
ii
4/5e
1 1 1
* so
me
som
e
* m
ost
leas
t
* le
ast
leas
t
both
ans
wer
s ar
e re
quire
d fo
r th
e m
ark
both
ans
wer
s ar
e re
quire
d fo
r th
e m
ark
answ
ers
mus
t be
in t
he c
orre
ct o
rder
both
ans
wer
s ar
e re
quire
d fo
r th
e m
ark
To
tal
5
220
345
or
46
480
*
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 47
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
48
Tie
r
3–6
5–7
Q N
o
10 3
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
4/3c
1 1 1
* a
stra
ight
line
fro
m t
he s
nail
to t
he s
urfa
ce a
nd
from
the
sur
face
to
the
fish
* th
e an
gle
ofin
cide
nce
shou
ld b
e ap
prox
ima
tely
eq
ual t
o th
e an
gle
ofre
flect
ion
* ar
row
poi
ntin
g to
war
ds t
he f
ish
or
away
fro
m
the
snai
lac
cept
a s
ingl
e ar
row
in t
he c
orre
ct d
irect
ion
onei
ther
the
inci
dent
or
the
refle
cted
ray
the
line
mus
t re
ach
the
fish
with
in t
he t
oler
ance
show
n be
low
the
ray
mus
t be
con
tinuo
usig
nore
an
inci
dent
ray
tow
ards
the
sna
ilig
nore
ray
s re
frac
ted
at
the
surf
ace
the
line
mus
t re
ach
the
surf
ace
ofth
e w
ate
rw
ithin
the
tol
eran
ce s
how
n be
low
iftw
o ar
row
s ar
e dr
awn,
they
mus
t bo
th b
e in
the
corr
ect
dire
ctio
n
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 48
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
49
Tie
r
3–6
5–7
Q N
o
10 3
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
b i
4/3d
b i
i
4/3d
1 1 1
* a
ray
from
the
sna
il to
And
rew
’s e
ye b
endi
ng a
t th
e su
rfac
e
* an
arr
ow p
oint
ing
tow
ards
And
rew
on
any
part
of
the
ray
* re
frac
tion
both
par
ts o
fth
e ra
y m
ust
be s
trai
ght
and
mus
tsl
ope
upw
ards
and
to
the
right
the
ray
mus
t be
con
tinuo
usig
nore
any
inci
dent
ray
s dr
awn
tow
ards
the
sna
ilth
e ra
y m
ust
bend
fur
ther
aw
ay f
rom
the
nor
mal
at
the
surf
ace
as it
goe
s fr
om w
ate
r to
air
iftw
o ar
row
s ar
e dr
awn,
they
mus
t bo
th b
e in
the
corr
ect
dire
ctio
n
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 49
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
50
Tie
r
3–6
5–7
Q N
o
11 4
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
3/3d
a i
i
3/3d
a i
ii
3/3f
1 1 1
* It
is n
eutr
al ✔
* an
y nu
mbe
r le
ss t
han
7
any
on
efr
om*
they
are
alk
alin
e o
ran
alk
ali
* th
ey r
eact
with
the
aci
d
acce
pt ‘a
sol
uble
bas
e’ac
cept
‘it
has
a pH
abo
ve 7
’
ifm
ore
than
one
box
is t
icke
d,aw
ard
no m
ark
spec
ific
pH v
alue
s su
ch a
s ‘it
s pH
is 8
.5’a
rein
suff
icie
nt
b 1/2i
3/3d
3ac
cept
‘cop
per
sulfa
te’
acce
pt ‘t
he s
ulph
ate
’for
‘cop
per
sulp
hate
’
acce
pt ‘a
cid’
for
‘citr
ic a
cid’
acce
pt ‘t
able
t’fo
r ‘in
dige
stio
n ta
blet
’
ifall f
ou
ran
swer
s ar
e co
rrec
t,aw
ard
thre
em
arks
iftw
o o
r th
ree
answ
ers
are
corr
ect,
awar
d tw
om
arks
ifo
ne
answ
er is
cor
rect
,aw
ard
one
mar
k
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 50
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
51
Tie
r
3–6
5–7
Q N
o
12 5
Part
Mark
An
sw
er
Accep
tA
dd
itio
na
l g
uid
an
ce
a i
3/2f
a i
i
3/2f
1 1
* m
etam
orph
ic
* ig
neou
s
b
3/2e
1*
whe
n m
agm
a co
ols
mor
e qu
ickl
y th
e cr
ysta
ls
are
smal
ler
acce
pt t
he c
onve
rse
acce
pt ‘i
n m
agm
a w
hich
coo
ls f
aste
r th
e cr
ysta
lsar
e sm
all’
answ
ers
mus
t in
clud
e a
com
paris
ondo
no
tac
cept
‘cry
stal
s ar
e bi
gger
whe
n th
e ro
ckco
ols
slow
ly’
c i
3/1c
c i
i
3/1f
c i
ii
3/1f
3/1c
1 1 1
* ox
ygen
* al
umin
ium
oxi
de
* 5
acce
pt ‘a
lum
iniu
m t
rioxi
de’
‘O2’
is in
suff
icie
nt
d i
3/3c
d i
i
3/1f
3/3a
1 1 1
any
on
efr
om*
at
the
botto
m*
belo
w c
oppe
r
* zi
nc c
hlor
ide
* hy
drog
en
acce
pt ‘Z
nCl 2
’
acce
pt ‘H
2’
‘less
rea
ctiv
e’is
insu
ffic
ient
answ
ers
can
be in
eith
er o
rder
‘H’i
s in
suff
icie
nt
To
tal
9
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 51
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
52
Tie
r
3–6
5–7
Q N
o
13 6
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2d
1an
y o
ne
from
* he
use
d 10
0 cm
3of
each
milk
* he
use
d th
e sa
me
volu
me
acce
pt ‘t
he s
ame
amou
nt o
rm
ass’
do n
ot
acce
pt‘h
e us
ed t
he s
ame
milk
’
b
1/2k
2/2a
1an
y o
ne
from
* co
ws’
milk
has
less
car
bohy
dra
te*
hum
an m
ilk o
rpo
wde
red
milk
has
mor
e ca
rboh
ydra
te*
suga
r is
a c
arbo
hydr
ate
acce
pt ‘c
arbo
hydr
ate
s’ac
cept
‘the
y ha
ve m
ore
carb
ohyd
rate
’
acce
pt ‘t
hey
have
mor
e th
an 5
(g)
’ac
cept
‘the
y ha
ve 7
.4 (
g) a
nd 7
.2 (
g)’
do n
ot
acce
pt‘it
has
mor
e vi
tam
in C
or
iron’
c
2/2a
2/2d
1*
for
hard
or
stro
ng b
ones
or
teet
hac
cept
‘for
(he
alth
y) b
ones
or
teet
h’do
no
tac
cept
‘for
stro
ng n
ails
’
d i
1/2k
d i
i
2/2a
1 1
* ba
by-m
ilk h
as m
ore
iron
than
co
ws’
milk
* to
mak
e bl
ood
or
red
bloo
d ce
lls
acce
pt ‘b
aby-
milk
has
mor
e iro
n’ac
cept
‘cow
s’m
ilk o
nly
has
0.05
mg’
acce
pt ‘f
or b
lood
’or
‘for
red
cells
’or
‘for
bloo
dce
lls’
acce
pt ‘f
or h
aem
oglo
bin’
or
‘hae
mog
lobi
nco
ntai
ns ir
on’
acce
pt ‘t
o pr
even
t an
aem
ia’
acce
pt ‘t
o re
plac
e iro
n lo
st in
men
stru
atio
n’
do n
ot
acce
pt‘b
aby-
milk
has
mor
e iro
n th
anco
ws’
or h
uman
milk
’
‘to k
eep
the
bloo
d flo
win
g’is
insu
ffic
ient
‘for
ener
gy’i
s in
suff
icie
nt
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 52
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
53
Tie
r
3–6
5–7
Q N
o
13 6
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
e 1/2i
BS
/2a
1an
y o
ne
from
* vi
tam
in C
is g
iven
in m
g,pr
otei
n is
giv
en in
g
* m
g ar
e sm
alle
r th
an g
* 1.
1 g
is e
qual
to
1100
mg
* 3.
8 m
g is
equ
al t
o 0.
0038
g*
1.1
g is
gre
ate
r th
an 3
.8 m
g
acce
pt ‘v
itam
in C
is in
mg’
acce
pt ‘t
he u
nits
are
diff
eren
t’ac
cept
‘one
was
mea
sure
d in
gra
ms,
the
othe
r in
mill
igra
ms’
acce
pt ‘g
are
big
ger
than
mg’
acce
pt ‘1
.1 g
of
prot
ein
and
3.8
mg
ofvi
tam
in C
’
To
tal
6
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 53
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
54
[Bla
nk p
ag
e]
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 54
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
rs 3
–6 a
nd
5–7 P
ap
er
Tw
o
55
Tie
r
3–6
5–7
Q N
o
14 7
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
2/1e
1*
leaf
acce
pt ‘s
tem
’or
‘sta
lk’
b i
2/1b
b i
i
2/1b
b i
ii
2/1b
1 1 1
* it
cont
rols
the
cel
l or
cell’
s ac
tiviti
es
any
on
efr
om*
abso
rbs
light
or
Sun
’s e
nerg
y*
phot
osyn
thes
is
any
on
efr
om*
give
s th
e ce
ll its
sha
pe*
supp
orts
the
cel
l
acce
pt ‘i
t te
lls t
he c
ell w
hat
to d
o’ac
cept
‘it
cont
ains
or
pass
es o
n (g
enet
ic)
info
rma
tion
or
gene
s o
rD
NA’
acce
pt ‘t
raps
or
catc
hes
light
’ac
cept
‘it
mak
es f
ood
or
gluc
ose
or
suga
r o
rst
arch
or
carb
ohyd
rate
’
‘it is
the
bra
in o
fth
e ce
ll’is
insu
ffic
ient
don
ot
acce
pt‘it
attr
acts
ligh
t’‘it
pro
duce
s ox
ygen
’is
insu
ffic
ient
‘it p
rote
cts
the
cell’
is in
suff
icie
nt
c
2/1b
2an
y tw
ofr
om*
cell
wal
l*
vacu
ole
* ch
loro
plas
t
acce
pt ‘w
all’
d
2/3a
2/3e
2/2j
2if
all f
ou
ran
swer
s ar
e co
rrec
t,aw
ard
two
mar
ksif
two
or
thre
ean
swer
s ar
e co
rrec
t,aw
ard
one
mar
kif
mor
e th
an o
ne b
ox is
tic
ked
in a
ny r
ow,
do n
otcr
edit
tha
t ro
w
To
tal
8
phot
osyn
thes
isre
spira
tion
✔
✔
✔
✔
*
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 55
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
Tw
o
56
Tie
r
5–7
Q N
o
8
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
4/1e
4/1f
1 1
* th
e co
re b
ecom
es m
agne
tised
any
on
efr
om*
the
core
attr
acts
the
iron
dis
c
* th
ere
is m
ore
forc
e on
the
iron
dis
c
acce
pt ‘t
he d
isc
beco
mes
mag
netis
ed’
acce
pt ‘t
here
is a
mag
netic
fie
ld’
acce
pt ‘i
t be
com
es a
n (e
lect
ro)m
agne
t’ac
cept
‘the
str
onge
r th
e cu
rren
t th
e st
rong
er t
hem
agne
t’
acce
pt ‘t
he d
isc
is p
ulle
d do
wn’
acce
pt ‘t
he m
agne
t ex
erts
a f
orce
on
the
disc
’
do n
ot
acce
pt‘th
e iro
n co
re b
ecom
es m
agne
tic’
do n
ot
acce
pt‘th
e m
agne
t ge
ts s
tron
ger’
‘the
disc
mov
es d
own’
is in
suff
icie
nt a
s it
does
not
impl
y th
at
a fo
rce
is e
xert
ed‘th
ere
is a
for
ce o
n th
e di
sc’i
s in
suff
icie
nt a
s it
does
not
ref
er t
o th
e or
igin
of
the
forc
e
b
3/2c
4/1c
1an
y o
ne
from
* it
wou
ld m
elt
* it
wou
ld g
et t
oo h
otac
cept
‘it
wou
ld f
use’
acce
pt ‘i
t co
uld
catc
h fir
e’ac
cept
‘it
wou
ld b
low
’
‘the
coil
wou
ld b
reak
’is
insu
ffic
ient
‘it w
ould
get
hot
’is
insu
ffic
ient
c
1/2k
2*
the
gre
ate
r th
e cu
rren
t,th
e g
rea
ter
the
forc
e o
rfie
ld
* th
e m
ore
turn
s,th
e g
rea
ter
the
forc
e o
rfie
ld
acce
pt t
he c
onve
rse
acce
pt t
he c
onve
rse
acce
pt ‘t
he m
ore
turn
s,th
e m
ore
pow
erfu
l or
stro
nger
the
mag
net’
acce
pt ‘t
he e
lect
rom
agne
t w
ith 2
00 t
urns
isst
rong
er’
acce
pt ‘d
oubl
ing
the
turn
s m
ore
than
dou
bles
the
forc
e’
answ
ers
mus
t re
fer
to a
pa
ttern
des
crib
ing
aco
ntin
uous
var
iabl
edo
no
tac
cept
‘it b
ecom
es m
ore
mag
netic
’
answ
ers
mus
t in
clud
e a
com
paris
on‘th
e m
ore
turn
s,th
e m
ore
pow
erfu
l it
is’i
sin
suff
icie
nt
awar
d on
e m
ark
ifth
e an
swer
ref
ers
to a
num
ber
ofco
ils r
ath
er t
han
num
ber
oftu
rns
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 56
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
Tw
o
57
Tie
r
5–7
Q N
o
9
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
1/2d
a i
i
1/2d
a i
ii
1/2d
1 1 1
* m
ass
ofsa
lt di
ssol
ved
in w
ate
r
* bo
iling
poi
nt o
fsa
lt so
lutio
n
any
on
efr
om*
star
ting
tem
pera
ture
of
the
wa
ter
* te
mpe
ratu
re o
fth
e la
bora
tory
acce
pt ‘t
he m
ass
or
amou
nt o
fsa
lt’
acce
pt ‘b
oilin
g po
int’
‘sal
t’is
insu
ffic
ient
do n
ot
acce
pt‘th
e ty
pe o
fsa
lt us
ed’
‘tem
pera
ture
’is
insu
ffic
ient
b i
1/2k
3/1a
b i
i
1/2j
1/2o
1 1
* th
e bo
iling
poi
nt w
ith n
o sa
lt o
ra
t th
e st
art
was
10
0 °C
any
on
efr
om*
ther
e is
onl
y on
e po
int
abov
e th
e lin
e in
Nee
ra’s
g
raph
* th
ere
shou
ld b
e a
sim
ilar
num
ber
ofpo
ints
ab
ove
and
belo
w t
he li
ne
acce
pt ‘t
he w
ate
r’s b
oilin
g po
int
was
100
°C’
acce
pt ‘t
he b
oilin
g po
int
ofw
ate
r is
100
°C’
acce
pt ‘i
t bo
iled
at
100 °
C’
acce
pt ‘m
ost
poin
ts a
re b
elow
the
line
in N
eera
’sg
raph
’
acce
pt ‘T
om’s
goe
s ne
ar m
ore
poin
ts’o
r ‘T
om’s
poin
ts a
re n
eare
r to
the
line
’ac
cept
‘Nee
ra ju
st jo
ined
the
firs
t an
d la
st p
oint
s’
an
sw
ers
mu
st
refe
r to
th
e b
oilin
g p
oin
t
‘0 g
of
salt
adde
d’is
insu
ffic
ient
‘the
gra
ph s
tart
s a
t 10
0 °C
’is
insu
ffic
ient
To
tal
5
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 57
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
Tw
o
58
Tie
r
5–7
Q N
o
10
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a i
3/1b
a i
i
1/2m
3/1g
1 1
* (m
olec
ules
) ar
e fa
r ap
art
or
not
touc
hing
ea
ch o
ther
* th
ere
is o
nly
one
type
of
mol
ecul
e o
r
com
poun
d o
rsu
bsta
nce
acce
pt ‘o
nly
gase
s ca
n be
com
pres
sed’
acce
pt ‘t
hey
are
rand
omly
arr
ange
d’
acce
pt ‘t
here
is o
ne t
ype
ofpa
rtic
le’
‘the
gas
can
be c
ompr
esse
d’is
insu
ffic
ient
as
it is
give
n in
the
que
stio
n
do n
ot
acce
pt‘th
ere
is o
nly
one
type
of
ato
m o
r
elem
ent’
b
1/2m
3/1b
1an
y o
ne
from
* th
e sp
ace
or
dist
ance
bet
wee
n th
e m
olec
ules
or
part
icle
s is
sm
alle
r*
the
part
icle
s o
rth
ey a
re c
lose
r to
geth
er*
mor
e pa
rtic
les
are
touc
hing
the
sid
es
acce
pt ‘t
he v
olum
e is
less
’
acce
pt ‘p
artic
les
hit
the
side
s m
ore
ofte
n’
acce
pt ‘a
tom
s’fo
r ‘p
artic
les’
‘the
part
icle
s ar
e hi
tting
the
sid
es’i
s in
suff
icie
nt
‘ifth
e ga
s is
com
pres
sed
the
pres
sure
ris
es’i
sin
suff
icie
nt
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 58
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
Tw
o
59
Tie
r
5–7
Q N
o
10
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
ida
nce
c i
3/1e
c i
i
3/2a
c i
ii
3/1f
c i
v
3/1f
1 1 1 1
any
on
efr
om*
new
or
diff
eren
t co
mpo
unds
hav
e fo
rmed
* th
ere
is m
ore
than
one
com
poun
d
any
on
efr
om*
the
sam
e nu
mbe
r of
ato
ms
are
pres
ent
* no
thin
g ha
s be
en a
dded
to
or
lost
* ni
trog
en o
xide
acce
pt ‘t
hey
are
now
join
ed in
thr
ees’
acce
pt ‘n
ew c
ombi
natio
ns o
fpa
rtic
les
or
ato
ms’
acce
pt ‘t
he c
ompo
unds
are
diff
eren
t’ac
cept
‘the
re is
no
long
er a
pur
e su
bsta
nce’
acce
pt ‘m
ass
is c
onse
rved
’
acce
pt ‘O
N’
acce
pt ‘O
N2’
acce
pt ‘O
2N’
acce
pt ‘n
itrog
en m
onox
ide’
acce
pt ‘n
itric
oxi
de’
‘the
mas
s st
ays
the
sam
e’is
insu
ffic
ient
‘the
sam
e a
tom
s ar
e pr
esen
t’is
insu
ffic
ient
‘not
hing
cha
nged
’is
insu
ffic
ient
‘the
amou
nt o
fga
s st
ays
the
sam
e’is
insu
ffic
ient
all
th
ree
answ
ers
are
requ
ired
for
the
mar
k
To
tal
7
NO
N2O
NO
2
*
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 59
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
Tw
o
60
Tie
r
5–7
Q N
o
11
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
a
1/2k
1 1
* th
e m
ore
ciga
rette
s sm
oked
,th
e g
rea
ter
the
num
ber
or
perc
enta
ge t
hat
die
* th
e ris
k in
crea
ses
with
age
or
is g
rea
ter
in o
lder
m
en
acce
pt ‘s
mok
ing
5 ci
gare
ttes
a da
y is
less
harm
ful t
han
smok
ing
20’
acce
pt s
tate
men
ts s
uch
as ‘2
0 ci
gare
ttes
a da
y is
wor
se w
hen
you
are
45–64
tha
n un
der
45’
acce
pt t
he c
onve
rse
on
e c
on
clu
sio
n s
ho
uld
rela
te t
o t
he n
um
ber
of
cig
are
ttes a
nd
th
e o
ther
to t
he e
ffect
of
ag
e
sta
tem
ents
tha
t do
not
mak
e a
gene
ralis
atio
n,su
ch a
s ‘n
earl
y 1%
of
men
age
d 55
–64
who
smok
e 20
cig
aret
tes
a da
y w
ill d
ie o
fhe
art
dise
ase’
are
insu
ffic
ient
b 2/2l
3an
y th
ree
from
* it
caus
es a
blo
od c
lot
* th
e ar
terie
s be
com
e na
rrow
er o
rbl
ocke
d o
r
less
or
no b
lood
to
hear
t (m
uscl
e)*
less
or
no o
xyge
n to
the
hea
rt (
mus
cle)
* le
ss o
rno
foo
d o
rgl
ucos
e o
rnu
trie
nts
or
min
eral
s to
the
hea
rt (
mus
cle)
* le
ss o
rno
car
bon
diox
ide
or
was
te r
emov
ed*
may
cau
se a
hea
rt a
ttack
* ce
lls c
anno
t re
spire
(pr
oper
ly)
acce
pt ‘f
at
clog
s th
e ar
terie
s’
acce
pt,
for
one
mar
k,‘th
e he
art
mus
cle
need
sox
ygen
or
gluc
ose
to w
ork
prop
erly
’eve
n th
ough
it do
es n
ot in
clud
e a
com
paris
on
acce
pt ‘i
t m
ay r
aise
the
blo
od p
ress
ure’
‘the
hear
t m
uscl
e ca
nnot
wor
k pr
oper
ly’i
sin
suff
icie
nt a
s it
is g
iven
in t
he q
uest
ion
B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 60
2008
KS
3 S
cien
ce M
ark
Sch
eme
Tie
r 5–7 P
ap
er
Tw
o
61
Tie
r
5–7
Q N
o
11
Part
Mark
An
sw
er
Accep
tA
dd
itio
nal
gu
idan
ce
c i
2/1c
c i
i
2/2i
1 1 1
* m
ucus
trap
s ba
cter
ia o
rdu
st o
rpa
rtic
les
* ci
liam
ove
the
muc
us (
tow
ards
the
thr
oat)
* it
para
lyse
s th
em o
rth
ey s
top
mov
ing
acce
pt ‘c
ilia
rem
ove
bact
eria
or
dust
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B1_B2 Handover_Mksch.qxp 2/1/08 2:35 pm Page 63
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