LEVELS Tests A and B Mark schemes 2 KEY STAGE · PDF fileMarking the science tests ... This...

LEVELS

3–5

Sc

KEY STAGE

2

2012

National sampling for science

Science sampling testsMark schemesTests A and B

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Sourced from SATs-Papers.co.uk http://www.SATs-Papers.co.uk

© Crown copyright 2012

ISBN 978-1-4459-5222-2

You may re-use this information (excluding logos) free of charge in any format or medium, under the terms of the Open Government Licence. To view this licence, visitwww.nationalarchives.gov.uk/doc/open-government-licence/ or e-mail: [email protected].

Where we have identified any third party copyright information you will need to obtain permission fromthe copyright holders concerned.

This publication is also available for download at www.education.gov.uk/publications.

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1

Marking the science tests

The Standards and Testing Agency (STA) is responsible for the development and delivery ofstatutory tests and assessments in 2012. The STA is an executive agency of the Departmentfor Education (DfE).

This booklet contains the mark schemes for tests A and B. The test papers will be marked byexternal markers employed by the external marking agency under contract to STA. Themarkers will follow the mark schemes in this booklet, which is supplied to teachers forinformation.

General guidance

The structure of the mark schemes

The marking information for each question is set out in the form of tables.

The ‘Question’ column on the left-hand side of each table provides a quick reference to thequestion number, question part and the area of the programme of study assessed.

The ‘Mark’ column gives the number of marks available for each question part.

The ‘Requirements’ column may include three types of information:■ a general statement describing what is required for the award of marks■ examples of specific creditworthy responses demonstrating correct science■ examples of creditworthy responses that are beyond the Key Stage 2 programme of study.

The ‘Allowable answers’ column gives examples of allowable creditworthy responses,showing correct science which may not be as clearly expressed.

The ‘Additional guidance’ column may include different types of information:■ specific responses which are not creditworthy either because information from the

question has been rephrased, or because incorrect scientific knowledge is implied■ answers which are insufficient in themselves to gain credit, but are not incorrect

science, and would therefore not lose credit if combined with a correct response.

Applying the mark schemes

The mark schemes give scientifically correct answers to each question as well as providingguidance on, and examples of, other answers which are allowable. In cases of alternativewording, or where an answer is drawn rather than written, external markers will exercisetheir professional judgement.

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2

The pupil gives two or moreresponses to a particularquestion part.

The pupil has not used ticksto indicate the correctresponse in a multiple-choice question.

The pupil ticks more thanthe required number ofboxes.

The pupil misspells a word.

a) If a pupil qualifies a scientifically correct answer with a scientifically incorrectstatement, no mark will be awarded for that question part.

b) If a pupil qualifies a scientifically correct answer with an incorrect statementwhich is not relevant to the context of the question, the latter response isregarded as ‘neutral’ and the mark will be awarded.

Any unambiguous positive indication of the correct answer will be accepted. Tickstake precedence over any other form of response. Therefore, when ticks and any other sort of response are given together, the boxes with ticks will beassumed to be the pupil’s response. If the correct boxes are left blank, no markswill be awarded.

One mark will be deducted for each incorrect answer.Negative marks will not be awarded.

a) 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.

b) If a pupil misspells a word copied from the text of the question or from aselection given, and the new word does not have any inappropriate meaning,the incorrect spelling will be accepted and the mark awarded.

c) If specific scientific vocabulary is required in the answer, a creditworthymisspelling must be a phonetic equivalent of the required word, with the major syllables of the correct word represented in the answer.

What if...? Marking procedure

Recording marks awarded

The number of available marks is recorded in the margin of the test booklet,alongside each question part, and also in the second column of the mark scheme.Depending on the type of response made to each part of each question by thepupil, the marker will award one of the following:

2 or 1, as appropriate, for a creditworthy response0 for an incorrect response– if no response is made.

The marking is conducted online by external markers using scanned images ofthe pupils’ work. Each paper has 40 marks available.

To ensure consistency of marking, the most frequent queries are listed below,along with the action the marker will take.

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

3

Test

A q

ues

tion 1

: Birds in

their en

viro

nm

ents

Award

ONEmark for an

indicatio

n that

web

bed feet help water bird

s to swim

(a

descrip

tion of how

the

y use their feet to

swim

may be given) o

rthat w

ebbe

d feet

can he

lp bird

s to w

alk on

mud

:■

web

bed feet are used to help the bird

swim

/move in the

water

■water bird

s ha

ve w

ebbe

d feet for

swim

ming

■to help pu

sh back the water

■so the

y can move be

tter in

the

water

■to stop them

sinking

in the

mud

.

Award

ONEmark for correctly m

atching

all t

hre

ebe

aks with

foo

ds:

Award

ONEmark for:

■

1a 2/5c 1b

2/5b,c

1c 2/5a1/1a

1m 1m 1m

ONEmark may be aw

arde

d for a

respon

se tha

t de

scrib

es how

web

bed feet

help the

bird

to land

on water from flight:

■they act as brakes w

hen the bird la

nds

on w

ater/help birds land

on water.

Do n

otgive credit for an insufficient response:

■to give good grip [this is not specific to

birds with webbed feet]

■so they can walk on water

■so they can move easily [webbed feet do

not aid movement on land or in the air].

so the

re are eno

ugh

birds to rep

rodu

ce

anim

als

bu

ried

dee

p in

mu

dsm

all s

eed

san

d b

erri

esm

eat

torn

fro

mp

rey

a

✓

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4

Test

A q

ues

tion 2

:In the kitchen

Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

k

Award

ONEmark for:

■ Award

ONEmark for al

l fiv

estates

correctly classified

:

Award

TWO

marks for a

ll five

activities


:

If you are un

able to aw

ard tw

o marks,

award

ONEmark for an

y fo

uractivities


.

2a 3/3a1/2c 2b 3/1e 2c

3/2d,f,g

1m 1m 2m 1m

Additio

nal g

uid

ance

Before

Activity

Bak

ing

a c

ake

Mel

tin

g b

utt

er

Mak

ing

ice

cub

es

After

solid

liquid

liquid

solid

liquid

solid

Siev

e

✓

or

Do

es t

he

acti

vity

cau

se a

reve

rsib

le c

han

ge?

Yes

or

no

?A

ctiv

ity

Bak

ing

a c

ake

Fryi

ng

eg

gs

Dis

solv

ing

su

gar

Bu

rnin

g c

and

les

on

a b

irth

day

cak

e

Mak

ing

ice

cub

es

No

No

Yes

No

Yes

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

5

Test

A q

ues

tion 2

:In

the kitchen

(co

ntinued

)

Award

ONEmark for a respon

se nam

ing

evap

ora

tion:

■it/the

water evapo

rates.

Award

ONEmark for:

Condensation forms because the window

is...

■cold.

2d

3/2b,d

2e 3/2b

1m 1m

Do n

ot give credit for a response that includes

incorrect science:

■boiling/boils.

Do n

ot give credit for an insufficient response

where the process is described rather than

named:

■it turns into gas/water vapour/steam.

Do n

ot give credit for an insufficient response:

■heat.

✓

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6

[Bla

nk

pag

e]

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

7

Test

A q

ues

tion 3

: Anim

al h

eart rat

es

Award

TWO

marks for a

ll th

reecorrect

respon

ses:

■(i) squ

irrel

■(ii) 7kg

■(iii) 20

5 beats per minute.

If you are un

able to aw

ard tw

o marks,

award

ONEmark for an

y tw

ocorrect

respon

ses.

Award

ONEmark for a ge

neral

compa

rison

describing the relatio

nship

betw

een the

mas

sof the

animal and

the

hea

rt rat

e:■

the he

avier the an

imal, the slow

er its

heartbea

t■

the lighter the

animal, the high

er its

heart rate.

Award

ONEmark for an

answer tha

t is

greater than

70an

d less tha

n 13

0 be

ats

per minute, in

clud

ing de

cimals/fractio

ns.

3a 1/2i

3b 1/2j 3c 1/2j

2m 1m 1m 1m

ONEmark may be aw

arde

d for tw

ospecific compa

rison

s de

scrib

ing the

relatio

nship:

■the he

aviest animal has the

slowest

heart rate and

the

ligh

test animal has

the fastest he

art rate.

ONEmark may be aw

arde

d for a

compa

rison

describing the relatio

nship

betw

een the

size

of the

animal and

the

heart rate:

■the bigg

er the

animal, the

slower/lo

wer

the he

art rate.

Do n

otgive credit for a response that changes

avariable:

■the heavier the animal, the shorter/smaller

the heartbeat [incorrect science].

Do n

otgive credit for an insufficient response

givinga single comparison of the variables:

■the heaviest animal has the slowest heart

rate.

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

or

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

8

Test

A q

ues

tion 4

: Sea

wee

d and tre

es

Award

ONEmark for al

l thre

eseaw

eeds

correctly id

entified:

■Seaweed B isGutweed

Seaweed C is

Sea lettuce

Seaweed D is

Serrated

wrack.

Award

ONEmark for an

arrow

pointing

upwards anywhe

re on the diag

ram tha

t is

less tha

n 45

°either side of the

vertical:

■

4a 2/4a 4b 4/2e

1m 1mDo n


incorrect science showing a downward arrow:

■

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

9

Test

A q

ues

tion 4

: Sea

wee

d and tre

es (co

ntinued

)

Award

ONEmark for:

■trun

k

AND

a de

scrip

tion of how

the

trunk

helps the

leaves to ge

t sunlight:

■the trun

k is tall, so the

leaves are abo

veothe

r plan

ts■

it grow

s high

, so the

leaves are abo

vethings tha

t might block the

ligh

t.

OR

■bran

ches

AND

a de

scrip

tion of how

the

branche

s he

lpthe leaves to ge

t sunlight:

■they spread the leaves out (so the

y can

take in

more sunlight)

■the bran

ches spread ou

t an

d ge

t the

leaves in

to clear spa

ces of ligh

t■

the bran

ches grow lo

ng so the leaves

are furthe

r ou

t.

Award

ONEmark for al

l thre

ecorrect

boxes ticked:

■ ■

4c

2/5b,c

4d 2/3c

1m 1m

ONEmark may be aw

arde

d for:

■trun

k

AND

■it is lo

ng, so the

leaves are nearer to

the Su

n■

holds them

high.

OR

■bran

ches

AND

■the bran

ches grow upw

ards so the

leaves are closer to the

Sun

■they hold the leaves up towards the

sunlight

■the bran

ches help them

stay high

.

ONEmark may be aw

arde

d if bo

th or

neith

er box is ticked, but the

pup

il gives a

cred

itworthy respon

se describing ho

w the

trun

k an

d/or bran

ches of a tree help its

leaves to ge

t sunlight.

Do n


that does not refer to the leaves:

■the trunk is tall.

Do n


incorrect science implying branches are elastic:

■the branches stretch out so the leaves get

sunlight.

Do n


that does not refer to the leaves:

■the branches spread/stick out (so they

are in the light)

■the branches are long/high.

Do n


■the leaves are on the branches.

✓

✓

✓

✓

to ancho

r the plan

tin the

groun

d

to absorb water

✓

✓to take up

minerals

✓

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Test

A q

ues

tion 5

: Road

saf

ety

Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

k

Award

TWO

marks for all of the

compo

nents presen

t an

d correctly drawn:

■ If you are un

able to aw

ard tw

o marks,

award

ONEmark for a circuit which

contains one

error or om

ission

in the

draw

ing of the

sym

bols:

■ Award

ONEmark for an

indicatio

n of a

cell or a battery.

Award

ONEmark for an

explana

tion that

jacket B reflects more light tha

n jacket A:

■jacket B reflects light better than

jacket A

■jacket A is not such a go

od reflector

of ligh

t as ja

cket B.

✥Giv

e cr

edit for a correct respo

nse that

goes beyon

d the key stage 2 prog

ramme

of study

:■

jacket A absorbs m

ore light tha

njacket B.

5a i

4/1c

5a ii

4/1b 5b 4/3c

2m 1m 1m 1m

TWO

marks m

ay still b

e aw

arde

d if

obsolete sym

bols o

ra no

n-rectiline

arcircuit are used

:■ ONEmark may be aw

arde

d for an

absolute respo

nse:

■jacket B reflects the light

■it refle

cts (ligh

t)■

light bou

nces off ja

cket B

■light reflects on

jacket B.

Do n


incorrect science where a bulb or switch has

been incorrectly drawn:

■ ■ ■ Do n


incorrect science with gaps between the wires

and components of more than 2mm:

■ Do n


incorrect science:

■a bulb.

Do n


incorrect science:

■jacket B reflects light but jacket A does not

■jacket B makes more light.

Do n


■light reflects onto jacket B

■jacket B is a lighter colour

■jacket A is darker.

Additio

nal g

uid

ance

10

or

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

11

Test

A q

ues

tion 5

: Road

saf

ety (continued

)

Award

TWO

marks for tw

olines and

twoarrowhe

ads show

ing the correct

path and

dire

ction of ligh

t. Award the

marks as indicated be

low:

Award

ONEmark for tw

olines (with

or

with

out co

rrect arrowhe

ads) sho

wing the

correct pa

th of light. Th

e lines m

ust go

from

between Julia’s ha

nds on

her bike to

the mirror and

the

n to the

car w

indscreen:

■ Award

ONEmark for tw

oarrowhe

ads

accurately sho

wing the direction of ligh

t.Th

e arrows must go

from between Julia’s

hand

s on

her bike to the

mirror and

the

nto the

car w

indscreen:

■ ■

5c

4/3c,d,a

1m 1m

ONEmark may be aw

arde

d for one

continuo

us line

even whe

re the

arrow

head

is in

correct:

■ ONEmark may be aw

arde

d for just o

ne

correct arrowhe

ad on a continuo

us line

:■

Do n


where only one line is drawn:

■ Do n


where the direction of travel is shown only by

one arrow:

■

[1 m

ark –

lines]

[1 m

ark –

lines

and 1 mark –

arrowhe

ads]

[1 m

ark –

line]

[1 m

ark –

line

and 1 mark –

arrowhe

ad]

[1 m

ark –

arrowhe

ads]

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

12

Test

A q

ues

tion 6

: Arm

s

Award

ONEmark for:

■muscles.

Award

ONEmark foran

indicatio

n that

human

s shou

ld eat a balan

ced diet o

rshou

ld exercise

orno

t sm

oke:

■they sho

uld eat food

from each food

grou

p■

they sho

uld play foo

tball/g

o runn

ing

regu

larly

■they sho

uld keep

fit

■they sho

uld no

t start sm

oking.

ONEmark may be aw

arde

d for respon

ses

which spe

cify types of food

which im

prove

bone

stren

gth:

■they sho

uld drink/eat milk/che

ese.

✥Giv

e cr


nse that

goes beyon


ramme

of study

:■

they sho

uld no

t drink too much

caffeine

/coffee/tea.

6a 2/2e 6b

2/2b,g,h

1m 1m

ONEmark may be aw

arde

d for:

■biceps

/tricep

s.

ONEmark may be aw

arde

d for a respon

sede

scrib

ing supp

lemen

t intake w

hich m

aybe

bene

ficial w

ith a deficient or un

balanced

diet:

■they sho

uld take m

ineral(s)

(sup

plem

ents of calcium/pho

spho

rus

sodium

/potassium

)■

they sho

uld ha

ve vita

min (D

/C/K) tab

lets.

Do n


■ligaments

■tendons

■bones

■joints.

Do n


■eat different types of food

■eat five portions of fruit and vegetables a day

■eat healthy food

■do not drink alcohol [moderate amounts can

improve bone strength]

■drink lots of water [too much fluoride can

decrease bone strength]

■eat protein [can have a negative or positive

effect on bone strength].

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

13

Test

A q

ues

tion 6

: Arm

s (continued

)

Award

TWO

marks for a

ll th

ree

statem

ents correctly classified

:

To make his investigation fair, Aziz must...

If you are un

able to aw

ard tw

o marks,

award

ONEmark for an

y tw

ostatem

ents


.

Award

ONEmark for an

und

erstan

ding

that the

distance arou

nd the

top

of the

arm in

crea

ses whe

n the arm is ben

t:When the children’s arms are bent...

■the distan

ces arou

nd the

ir arms are

bigg

er■

the mea

suremen

ts (arou

nd the

ir arms)

increase/are highe

r.

✥Giv

e cr


nse that

goes beyon


ramme

of study

:■

the muscle contracts making it wider.

6c 1/2d 6d 1/2i

2m 1m 1mONEmark may be aw

arde

d for a respon

seim

plying

the

measuremen

ts of the arms

increase:

■their arms are bigg

er■

their arms are fatter

■they get w

ider

■the muscle expa

nds/ge

ts bigge

r.

Note: Measuring the arms of lots of children

improves the reliability of the investigation, not

the fairness.

Do n

otgive credit for a response that includes

incorrect science:

■their arms get longer/higher.

Do n


implying the measurements get smaller:

■the muscle contracts [effect on width of

muscle is needed].

Do n


■the muscle tenses up

■it gets bigger/higher [could refer to the graph].

or

make sure everyone rolls up

their sleeves.

measure the arms of lots of

children.

True

False

measure around the arms in

the same place.

True

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

14

Test

A q

ues

tion 7

:Drinking choco

late

Award

ONEmark for:

■an

insulator.

Award

ONEmark for an

indicatio

n that

the result at 10 minutes for the

foo

dwrap covered cup ne

eds checking

:■

25■

food

wrap at 10 minutes.

7a 3/1b 7b 1/2i

1m 1mDo n


■food wrap

■10 minutes.

✓

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

15

Test

A q

ues

tion 7

:Drinking choco

late

(co

ntinued

)

Award

TWO

marks for b

oth

parts of the

senten

ce com

pleted

correctly. The

first

par

tshou

ld nam

e bubble

wra

pas the

best m

aterial for keeping

the

drin

king

chocolate ho

t.

The

seco

nd p

artrequ

ires a compa

rative

respon

se explaining that bub

ble wrap

kept the

cho

colate the

hottest for lo

ngest/

throug

hout the

investigation

orthat the

final tem

perature w

as highe

r for bu

bble

wrap than

for the

other m

aterials:

■the tempe

rature for bub

ble wrap ha

dgo

ne dow

n most slow

ly■

the drinking

cho

colate in

the

bub

ble

wrap is 50°C, b

ut for all the othe

rs the

tempe

rature is lo

wer

■that tem

perature w

as the

highe

st.

If you are un

able to aw

ard tw

o marks,

award

ONEmark for ei

ther

part of the

senten

ce com

pleted

correctly.

7c 1/2j

2m 1m

ONEmark may be aw

arde

d for the

seco

nd p

artfor a respon

sein w

hich a

compa

rison

is im

plied:

■the bu

bble w

rap is 50°C but the

othe

rs are only 27

, 45

and

30°C

■the bu

bble w

rap was at 50

°C so it ha

don

ly gon

e do

wn by 20°C.

The

seco

nd p

art may not gain cred

it for the

following insufficient respo

nses:

Do n


which does not interpret the results:

■the drinking chocolate in the bubble wrap is

50°C, for foil it is 45°C, for newspaper it is

27°C and for food wrap it is 30°C.

Do n


that uses an inappropriate result from the table:

■it was 69°C, the hottest.

Do n


which does not compare the materials:

■the temperature for bubble wrap was high.

Do n


which does not clearly indicate that the

temperature was the highest:

■the bubble wrap/it was the highest.

or

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

16

Test

A q

ues

tion 8

:Ger

min

atin

g see

ds

Award

ONEmark for giving

the

type of

seed

as the inde

pend

ent varia

ble (IV

):■

the type

s of seed

■differen

t seed

s.

Award

ONEmark for an

y tw

odifferen

tacceptab

le con

trol variables (CV):

■type

of soil

■am

ount of soil

■de

pth seed

s plan

ted

■place whe

re the

seed trays are pu

t■

size of seed

trays

■ho

w often

she

waters them

■ho

w m

uch water she

gives each seed

■am

ount of light

■pu

t all the

seeds in

the

dark

■nu

mbe

r/am

ount of seed

s.

Award

ONEmark for an

explana

tion

recogn

ising that the

roo

t wou

ld not be

seen

whe

n it first app

ears as it is

unde

rneath the

soil surface:

■she wou

ld not be ab

le to see the roots

(with

out digg

ing up

the

seeds)

■the root is und

er the

soil

■you see the shoo

t first as it is abo

vethe soil.

8a

1/2a,d

8b 1/2d 8c 1/2c

1m 1m 1m

ONEmark may be aw

arde

d for:

■seed

s■

(differen

t) plants.

Marks m

ay be aw

arde

d for:

■the soil

■tempe

rature

■water

■light

■trays

■tim

e she left the

m for.

Do n

otgive credit for a response that includes

incorrect science giving a control variable:

■the amount of seeds.

Do n


incorrect science:

■same food

■same seeds [IV]

■time [could be the dependent variable].

Do n

otgive credit for a second CVthat is a

restatement or repetition of the first.

Do n


giving a variable that does not affect the

investigation:

■the same person watering it.

Do n


■she would see the shoot first [does not

indicate the problem with seeing the root

first].

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

17

Test

A q

ues

tion 8

:Ger

min

atin

g see

ds (continued

)

Award

ONEmark for iden

tifying

tha

t it is

impo

rtan

t to plant several of each type of

seed

to allow the

reliability of the

results/

test/con

clusions to be

improved

:■

to m

ake he

r results

/test (m

ore) reliable

■so she

can

che

ck/m

ake sure of he

rresults

■to che

ck if her m

easuremen

ts w

ere

reliable

■to get m

ore eviden

ce■

to get an averag

e (of ho

w quickly each

type

of seed

germinates)

■to che

ck if her results can

be ap

plied

to all seed

s of the

sam

e type

.

Award

ONEmark for recogn

ising that one

seed

may not germinate:

■in case there is a problem

with

one

of

the seed

s.

Award

ONEmark for:

■B

8d 1/2g 8e 2/3d

1m 1m

ONEmark may be aw

arde

d for a respon

seindicatin

g the results can

be compa

red

or

will be more accurate:

■so Sun

ita can

com

pare her results

■to see if the

y/the results are the

sam

e■

to m

ake sure her results w

ere accurate

■itwill im

prove the accuracy (o

f the test).

ONEmark may be aw

arde

d for a respon

seindicatin

g an

error m

ay have be

en m

ade

inad

vertan

tly (rather tha

n there be

ing a

fault in the

test de

sign

):■

she might have do

ne som

ething

wrong

with

one

seed

■to m

ake sure the

re w

ere no

mistakes.

ONEmark may be aw

arde

d for:

■to see

/che

ck if her results/answers are

correct/rig

ht.

Do n


incorrect science:

■to make the test fair.

Do n


implying there is a correct/right answer/results:

■to get the right answer/results

■to make sure she has got it right.

Do n


■in case the results are different

■to check it [implies that the test should be

checked]

■to see if she gets it/the test right

■to get more results.

Do n


that implies the investigation is comparing

seeds of one type:

■to see which one grows first.

✓

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18

[Bla

nk

pag

e]

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

19

Test

A q

ues

tion 9

: Filt

ers

Award

ONEmark for al

l thre

erows of

the table completed

correctly:

Award

ONEmark for an

indicatio

n that

the foil is not permeable:

■the water w

ill not go throug

h the foil

■all o

f the mixture w

ill stay in the

filter

■there are no

gap

s/ho

les in the

foil.

Award

ONEmark for an

indicatio

n that

the water and

sug

ar can

be sepa

rated by

evap

orating (the

water le

aving the suga

rbe

hind

):■

by evapo

ratio

n■

evap

orate the water (leaving

the

sug

ar).

9a

3/3c,b

9b 3/1a1/2l 9c 3/3d

1m 1m 1m

ONEmark may be aw

arde

d for a respon

sestating that the

sug

ar dissolves in

water:

■the suga

r dissolves in w

ater.

ONEmark may be aw

arde

d for a respon

seexplaining

the

mixture sho

uld be

moved

to a w

armer place and

/or left to dry:

■move the mixture onto a sunn

y/warm

windo

w sill

■pu

t it on

a rad

iator

■he

at it

■pu

t it on

a she

lf an

d wait.

Do n

ot give credit for an incorrect response

suggesting the foil will break/rip/tear:

■the foil will tear and all the mixture will

go through [given that it does not break].

Do n


■foil is not absorbent.

Do n


incorrect science implying the sugar will

evaporate:

■evaporate the mixture/solution.

Do n

ot give credit for an insufficient

response where it is unclear what is being

evaporated:

■leave it out to evaporate the liquid

■evaporate it.

Do n


■leave it (out)

■the water disappears.

no

Mix

ture

San

d a

nd

sto

nes

So

il an

d w

ater

San

d a

nd

so

il

Sal

t an

d w

ater

Can

th

e m

ixtu

re b

e se

par

ated

by

a !

lter

? Y

es o

r n

o?

Yes

No

No

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

20

Test

B q

ues

tion 1

: Pond life

Award

ONEmark for an

indicatio

n of

tran

spar

ency:

■see-throug

h■

clear.

Award

ONEmark for:

■ Award

ONEmark for al

l thre

estatem

ents


:

1a 3/1a 1b 2/5d 1c 2/5e2/3b

1m 1m 1m

It eats other

anim

als.

✓

Producers are at the start of

the food chain.

Producers catch their food

from the water.

Producers use sunlight to make

new materials for growth.

True

False

True

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

21

Test

B q

ues

tion 1

: Pond life

(co

ntinued

)

Award

ONEmark for an

indicatio

n that

the micro-organ

isms are too sm

all to be

seen

:■

they are m

icroscop

ic/too

small

■you can on

ly see m

icro-organ

isms

throug

h a microscop

e.

Award

ONEmarkfor a respon

se tha

t gives

a be

nefit of ha

ving

micro-organ

isms in a

pond

:■

they recycle the

waste in

to nutrie

nts

■they break dow

n waste

■they help redu

ce disease

■they provide

foo

d for some an

imals.

✥Giv

e cr


nse that

goes beyon


ramme

of study

:■

they (may) oxygen

ate the water.

1d i

2/5f

1d ii

2/5f

1m 1m

ONEmark may be aw

arde

d for a respon

seindicatin

g micro-organ

isms are toward the

extrem

e en

d of the

size scale:

■they are very/so/really small

■they are tiny.

ONEmark may be aw

arde

d for:

■they keep the po

nd/w

ater clear/clean

■they eat/get rid of de

ad thing

s/ge

rms

■they eat bad

thing

s in the

pon

d.

Do n


■they are little/small/micro

■they cannot be seen/are not visible/are

invisible to the naked eye [given]

■they are invisible/see-through

■you cannot see micro-organisms.

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

22

Test

B q

ues

tion 2

:Trian

gles

Award

ONEmark for an

y indicatio

n of

vibrating:

■(the

tria

ngle) vibrates.

Award


se w

hich

orde

rs a

ll fo

urtriang

les correctly:

Award

ONEmark for:

■pitch.

✥Giv

e cr


nse that

goes beyon

d the key stag

e 2

prog

ramme of study:

■freq

uenc

y.

Award

ONEmark for al

l thre

erows of

the table completed

correctly:

■

2a 4/3e 2b 4/3f 2c 4/3f

BoS 2a

2d 1/2j4/3f

1m 1m 1m 1m

ONEmark may be aw

arde

d for:

■causing vibrations.

Do n


■moving (quickly)

■shaking

■the rod is vibrating.

...........

...........

...........

...........

Highest

Lowest

CD

BA

Ho

w h

ard

th

e tr

ian

gle

was

hit

Tes

t 1

Tes

t 3

Tes

t 2

12 8 16

14 6 21

15 10 19

....

....

....

....

....

....

....

....

....

....

....

....

.

....

....

....

....

....

....

....

....

....

....

....

....

.

....

....

....

....

....

....

....

....

....

....

....

....

.

Vo

lum

e (u

nit

s)

qu

ite

har

d

very

har

d

gen

tly

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

23

Test

B q

ues

tion 2

:Trian

gles (continued

)

Award


se in

dicatin

ghe

neede

d to do the test m

ore than

once

for the reliability of the

results/test/

conclusion

s to be im

proved

:■

to m

ake his results

/test (m

ore) reliable

■to che

ck/m

ake sure of his results

■to che

ck if his m

easuremen

ts w

ere

reliable

■to get an averag

e■

to get m

ore eviden

ce.

Award

ONEmark for an

indicatio

n that it

is hard to hit the triang

le w

ith exactly the

same force for each test:

■Paul m

ay have hit the triang

le harde

ron

differen

t tests

■he

may have used

differen

t forces

■it is hard to hit the triang

le w

ithexactly the

sam

e force (on each test)

■Paul trie

d to hit the triang

le gen

tlyeach tim

e, but did not.

2e 1/2g 2f

1/2m,g

1m 1m

ONEmark may be aw

arde

d for a respon

seindicatin

g the results can

be compa

red

or

will be more accurate:

■to see if the

results/the

y are the same

■so Pau

l can

com

pare his results

■to m

ake sure his results w

ere accurate

■to im

prove the accu

racy (of the

test).

ONEmark may be aw

arde

d for a respon

seindicatin

g an

error m

ay have inad

verten

tlybe

en m

ade (rathe

r than

the

re being

afault in the

test de

sign

):■

he m

ight have do

ne som

ething

wrong

the first tim

e■

in case he

got one

odd

result

■to m

ake sure the

re w

ere no

mistakes.

ONEmark may be aw

arde

d for:

■to see

/che

ck if the

results/answers are

correct/rig

ht.

ONEmark may be aw

arde

d for:

■he

doe

s no

t kn

ow how

hard he

ishitting.

ONEmark may be aw

arde

d for a respon

sereferring to the

spe

ed of on

e hit:

■he

did not hit it with

the

sam

e pa

ce/

speed.

Do n


incorrect science:

■to make the test fair.

Do n


implying there is a correct answer/results:

■to get the correct/right answer/results

■to make sure he has got it right.

Do n


implying that all the results need to be the same:

■to make sure the results are the same

■in case the results are different.

Do n


■to check it [implies the test should be checked]

■to get more results

■to see if he gets it/the test right.

Do n


which does not refer to the force:

■he did not hit it the same each time.

Do n


which would not affect volume:

■he may have hit it in a different place.

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24

[Bla

nk

pag

e]

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

25

Test

B q

ues

tion 3

: Dan

delio

n

Award

ONEmark for:

■15

–18cm

Award

ONEmark for:

■13

.

Award

ONEmark for both

pred

ictio

nscorrectly classified

:

Award

ONEmark for an

indicatio

n that

dand

elion seed

s are dispersed by the

wind:

■the wind (spreads the

se seeds)

■the da

ndelion seed

(acts like a

parachute an

d) is spread by the

wind.

Award

ONEmark for:

■reprod

uctio

n

3a 1/2j

3b 1/2j 3c 1/2k2/1c 3d 2/3d2/5b 3e 2/1b

1m 1m 1m 1m 1m

ONEmark may be aw

arde

d for:

■by (blow

ing) air

■it is blown

■the seed

s flo

at away.

Do n


incorrect science:

■11.

Do n


incorrect science describing other methods of

seed dispersal:

■it sticks to animal fur.

Do n


■it flies away

■it falls off

■it lands on the ground.

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

✓

Pre

dic

tio

n

Wh

ere

dan

del

ion

s g

row

mak

esa

dif

fere

nce

to

th

e st

em le

ng

th.

Th

ere

will

be

mo

re d

and

elio

ns

in t

he

sho

rt g

rass

th

an in

th

e lo

ng

gra

ss.

Su

pp

ort

ed b

yth

e ev

iden

ceN

ot

sup

po

rted

by

the

evid

ence

✓

✓

✓

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

26

Test

B q

ues

tion 4

:Iden

tify

ing solid

s

Award


se nam

ing

dissolving

.

✥Giv

e cr


nse that

goes beyon


ramme

of study

:■

(it has formed

) a solutio

n■

they are solub

le.

Award


se in

dicatin

gthe pieces of solid A are la

rger tha

n those

of solid D o

rthat the

solids ha

ve differen

tsized pa

rticles:

■solid A is m

ade of bigge

r bits tha

nsolid D

■it ha

s larger/thicker particles

■D has smaller bits tha

n A

■the size of the bits.

Award

ONEmark for:

■solid C

AND

a respon

se in

dicatin

g that a new

material

was m

ade:

■there were bu

bbles

■the mixture fizzes

■it mad

e a ga

s.

4a 3/2d 4b 3/3a 4c 3/2f

1m 1m 1m

ONEmark may be aw

arde

d for an

absolute

respon

se:

■A has big bits.

ONEmark may be aw

arde

d for a respon

sewhich doe

s no

t refer to the

con

stitu

ent

pieces of the solids:

■solid A is bigge

r (tha

n solid D)

■solid A is bigge

r than

the

sieve holes

■the size.

ONEmark may be aw

arde

d if no

box is

ticked, but the

creditw

orthy explan

ation

indicates un

ambigu

ously

tha

t the pu

pil

believes a ne

w m

aterial is prod

uced

whe

nsolid C is m

ixed

with

vineg

ar.

Do n


which describes solid D without explicitly

stating it refers to solid D:

■it has smaller pieces.

Do n

otgive credit if the ‘solid B’ box is ticked.

Do n


which gives a feature associated with non-

reversible changes without giving the evidence

Mia observed:

■you cannot get solidC back.

✓

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

27

Test

B q

ues

tion 4

:Iden

tify

ing solid

s (continued

)

Award

TWO

marks for correctly m

atching

all f

oursolids to the

ir na

mes:

If you are un

able to aw

ard tw

o marks,

award

ONEmark for correctly m

atching

any

twoor thre

esolids.

4d

3/3b,a

3/2f,d

2m 1m

AC

coco

nut

salt

flour

BD

bica

rbon

ate

of s

oda

or

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

28

Test

B q

ues

tion 5

:Celer

y

Award


se statin

gthat the

leaves m

ake ne

w m

aterial for

grow

th o

rtake in

ligh

t:■

to m

ake food

■to produ

ce sug

ar/foo

d (for growth)

■to absorb/take in

(sun)light.

✥Giv

e cr


nse that

goes beyon


ramme

of study

:■

to le

t water/O

2escape

■to take in CO

2/O

2■

to store foo

d■

to pho

tosynthe

sise/respire

■to absorb en

ergy from the

sun

(ligh

t)■

to produ

ce chlorop

hyll

■to store w

aste

■to store w

ater.

Award


seiden

tifying

an inde

pend

ent varia

ble (IV

)relatin

g to tem

perature:

■tempe

ratures of the

place

/water

■whe

re he pu

ts the

celery –like in the

fridge

, in a w

arm roo

m.

5a 2/3b 5b

1/2a,d

1m 1m

ONEmark may be aw

arde

d for:

■to collect/catch (sun)light.

ONEmark may be aw

arde

d for:

■he

at.

Do n


incorrect science:

■to make energy

■to feed (the plant).

Do n


■to produce nutrients

■to get food (from the Sun).

Do n


indicating the leaves carry water (to other parts

of the plant):

■they let water pass through.

Do n


detailing the function of the leaves for other

organisms:

■food for other creatures.

Do n


not stating the role of the leaves:

■nutrition/nutrients.

Do n


that does not indicate the temperature must

be varied:

■the place [could be all the same temperature]

■the water [could be the amount].

Mar

kers should

rea

d the an

swer

s to

par

ts 5b–5

d b

efore

mar

king the re

st o

f th

is q

ues

tion.

Parts 5b

–5d m

ust form

a coher

ent in

vestig

atio

n.

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

29

Test

B q

ues

tion 5

:Celer

y (continued

)

Award


se nam

ing

a piece of equ

ipmen

t used

to measure

time:

■stop

watch.

Award

ONEmark for giving

any

two

approp

riate con

trol variables (CV):

■leng

th of celery

■am

ount of (colou

red) w

ater (in the glass)

■size of the glass

■am

ount of food

colou

ring (in the

water)

■size (surface area)/n

umbe

r of le

aves.

5c 1/2c 5d 1/2d

1m 1m

ONEmark may be aw

arde

d for:

■clock/w

atch

■tim

er.

ONEmark may be aw

arde

d for:

■(amou

nt of) celery/vege

table

■the plan

t■

the glass/containe

r/cup

■the am

ount of (sun

)ligh

t■

the colour of the water

■the red water

■(sam

e) the

rmom

eter.

ONEmark may be aw

arde

d for ‘the

sam

eplace’ if tem

perature of the water is given

as the

IV in

part 5b

.

ONEmark may be aw

arde

d for

‘tem

perature of the water’ if the

tempe

rature of the place is given

as the IV

in part 5b

.

Do n


incorrect science stating the celery sticks should

be in the water for the same length of time

[time is the dependent variable].

Do n

ot give credit for a second response that

is a re-statement or repetition of the first.

Do n

otgive credit for a CV that is inconsistent

with, or repeats a creditworthy IV in part 5b.

Do n


that could be the IV if the response given in

part 5b is omitted or insufficient or incorrect:

■the same place

■(temperature of) the water.

If an IV is omitted, the CV may gain credit

provided it is consistent with the context of the

investigation presented in the introduction. An

appropriate CV can gain credit where the IV is

insufficient or incorrect.

Do n


naming a piece of measuring equipment on

which the calibration is unlikely to vary:

■stopwatch.

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wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

30

Test

B q

ues

tion 6

:Jac

k’s sh

adow

Award

ONEmark for:

■ Award

ONEmark for an

explana

tion that

light can

not pa

ss throu

gh Jack. The

respon

se m

ust make reference to the

blocked light o

rop

acity:

■the light can

not go

throu

gh Jack

■Jack stops/blocks the light

■the (sun

)ligh

t is blocked

■Jack is opa

que.

Award

ONEmark for an

explana

tion that

Jack’s shad

ow cha

nges position

becau

sethe Earth spins on

its axis:

■the Earth rotatin

g (on its axis)

■the Earth spinning

(on

its axis)

■the Earth turns/moves on its axis.

6a 4/4b 6b 4/3b 6c 4/4b

continued

1m 1m 1m

ONEmark may be aw

arde

d for:

■it cann

ot go throug

h Jack.

ONEmark may be aw

arde

d for:

■the Earth revolves.

Do n


that does not necessarily explain shadow

formation:

■the light goes around Jack

■light travels in straight lines

■the light cannot get past Jack [it passes on

either side of him]

■Jack is solid [a solid object can be transparent]

■Jack is in the way of the light [does not

necessarily mean he is blocking the light]

■light cannot get behind Jack

■the Sun cannot get through Jack [does not

refer to light]

■Jack’s body blocks the Sun.

Do n


incorrect science suggesting the Sun moves

(across the sky).

Do n


■the Sun appears to move across the sky.

✓

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

31

Test

B q

ues

tion 6

:Jac

k’s sh

adow

(co

ntinued

)

Award

ONEmark for:

■ Award

TWO

marks for a

ll fo

urcorrect:

If you are un

able to aw

ard tw

o marks,

award

ONEmark for classifin

g an

y th

ree

ideas correctly.

6c

continued

6d 4/3b

1/2m 6e 4/3b

1m 2m 1m

ONEmark may be aw

arde

d for a respon

secorrectly in

dicatin

g that sha

dows chan

gepo

sitio

n be

cause of the

spin of the

Earth,

as w

ell a

s de

scrib

ing the Earth’s orbit

arou

nd the

Sun

:■

the Earth spins as it orbits the

Sun

■the Earth turns on

its axis and

moves

arou

nd the

Sun

.

Do n


implying Jack’s shadow changes position

because the Earth orbits the Sun:

■the Earth orbits/turnsaround the Sun

■the Earth spins/rotates/revolves around the

Sun.

Do n


■the Earth turns/moves (around)

■the rotation [does not indicate what is

rotating]

■it spins on its axis [does not identify what

‘it’ is]

■sometimes the Earth is facing the Sun and

sometimes it is away from the Sun.

Jack’s shad

ow is

difficult to see.

✓

or

You

can

tell

if Ja

ck’s

eyes

are

shu

t by

look

ing

at h

is s

hado

w.

.......................................

Onl

y lig

ht fr

om th

eSu

n ca

uses

a s

hado

w.

.......................................

The

colo

ur o

f a c

ar’s

shad

ow d

epen

ds o

n th

eco

lour

of t

he c

ar.

.......................................

The

shap

e of

the

shad

ow d

epen

ds o

nth

e sh

ape

of th

e ob

ject

.

.......................................

False

True

False

False

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wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

33

Test

B q

ues

tion 7

: Rolling m

arble

Award

ONEmark for:

■ruler

■metre rule

■tape

measure.

Award

TWO

marks for a

ll fo

urrows of

the table completed

correctly:

If you are un

able to aw

ard tw

o marks,

award

ONEmark for an

y th

reerows

completed

correctly.

Award

ONEmark for recogn

ising that the

marble will not roll e

asily off such a steep

ramp:

■the marble will drop very quickly and

might bou

nce

■the marble might not tou

ch the

ram

p■

the marble might break

■it will ju

st drop/fall (straight dow

n)■

the marble will fall o

ff the

ram

p.

Award

ONEmark for a po

int plotted at

the origin (0,0) of the grap

h.

7a 1/2c 7b 1/2d 7c

1/2m,c

7d 1/2h4/2e

1m 2m or

1m 1m 1m

ONEmark may be aw

arde

d for:

■measuremen

t stick

■metre stick.

ONEmark may be aw

arde

d for a respon

seindicatin

g the marble stop

s at the

bottom

of the

ram

p:■

the marble will not roll far w

hen the

ramp is so steep.

ONEmark may be aw

arde

d for a respon

sein w

hich the

cen

tre of the

cross is less tha

nha

lf a squa

re from the

orig

in of the grap

h.

Do n


■string.

Do n


referring to the speed of the marble:

■the marblewill go too fast down the ramp.

Do n


in which the graph line is extended through

(0,0) without a correctly plotted cross at (0,0).

Mu

st b

eth

e sa

me

Var

iab

le

surf

ace

of

the

ram

p

hei

gh

t o

f th

e ra

mp

size

of

the

mar

ble

mas

s o

f th

e m

arb

le

Mu

st b

ed

iffe

ren

tM

akes

no

dif

fere

nce

✓ ✓✓

✓

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

34

Test

B q

ues

tion 8

:Can

dles

Award

ONEmark for both

rows of the

table completed

correctly:

Award

ONEmark for a ge

neral com

parison

describ

ing the relatio

nship be

tween the

hei

ghtof the

can

dle an

d the

tim

eit takes

to burn do

wn:

■the taller the cand

le, the

long

er it takes

(to bu

rn dow

n)■

the shorter/sm

aller the cand

le, the

shorter tim

e it takes the cand

le to

burn dow

n.

Award

ONEmark for:

■23

minutes.

8a

3/2g,d

8b 1/2j 8c 1/2i

1m 1m 1m

ONEmark may be aw

arde

d for tw

ospecific compa

rison

s de

scrib

ing the

relatio

nship:

■the tallest can

dle takes long

est to burn

and the sm

allest can

dle is quickest.

ONEmark may be aw

arde

d for referring

to spe

ed rathe

r than

tim

e:■

the taller/shorter the cand

le, the

slower/

faster it burns (do

wn).

ONEmark may be aw

arde

d for a respon

sein the

ran

ge of 21

to 26

minutes in

clusive.

Do n

ot give credit for a response that changes

one or both variables:

■the bigger the candle, the brighter it burns

[incorrect science].

Do n

ot give credit for a single comparison of

the variables:

■the biggest/tallest candle takes the longest

time to burn down.

Th

is is

evi

den

ce o

fa

reve

rsib

le c

han

ge.

Ob

serv

atio

n

Th

e w

ax m

elts

.

Sm

oke

is g

iven

off

.

Th

is is

evi

den

ce o

f a

no

n-r

ever

sib

le c

han

ge.

✓

✓

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Allo

wab

le answ

ers

Ques

tion

Req

uirem

ents

Mar

kAdditio

nal g

uid

ance

When

apply

ing this

mar

k sc

hem

e, p

leas

e al

so ref

er to the

Gen

eral

guid

ance

giv

en o

n p

ages

1 a

nd 2

.

35

Test

B q

ues

tion 8

:Can

dles (continued

)

Award

ONEmark for a grap

h line startin

gat 10cm

tha

t is steep

er tha

n that of

cand

le C and

finishe

s at 1

cm heigh

t with

no deliberate up

wards trend

s:

8d

1/2h,i

1mONEmark may be aw

arde

d for an

othe

rwise correct line that con

tinue

slower tha

n 1cm

:

200

0123456789101112

4060

Tim

e (m

inut

es)

Hei

ght o

fca

ndle

(cm

)

8010

0

cand

le A

cand

le B

cand

le C

Key

200

0123456789101112

4060

Tim

e (m

inut

es)

Hei

ght o

fca

ndle

(cm

)

8010

0

cand

le A

cand

le B

cand

le C

KK

ey

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For more copiesSTA Orderline, PO Box 29, Norwich NR3 1GNTel: 0300 303 3015 Fax: 01603 696 487Website: http://orderline.education.gov.ukSTA/12/5591

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LEVELS Tests A and B Mark schemes 2 KEY STAGE · PDF fileMarking the science tests ... This...

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Transcript of LEVELS Tests A and B Mark schemes 2 KEY STAGE · PDF fileMarking the science tests ... This...