checkpoint sains paper 2

8/10/2019 Checkpoint SAINS Paper 2

1/15

lltnttrinnltniluiiliilfifiilntttlnl

1

There

are seven

haracteristics

f

l tving

rganisnts.

One

of

these

characteristics

s sensitivity nd

reacting

o the

surroundings.

(a)

Why

s

t mportant

or animals

o be sensitive

o

their

surroundings?

(b)

Ella

and

Mia est

heir

eactions.

Here

s how hey

do

the exPeriment.

Mia

drops

the

ruler.

t1l

Ellacatches

he

ruler etween

er

fingers

nd

humb.

Theydo it againbut his ime

Here

are

heir

esults.

El ladrops he rulerandMiacatchest.

Mia 's humb

Ella's

humb

I

9_r".ur

n.o

i113 t02 la lN14

g,t,i

C z

ep

cg

\ :

a) -

G=

GH

sg

C z


2/15

I iltlr

lrttllrilfr

iiiiiti

tttltlt tlttl

tl

Who has he

aster eaction?

(i)

Complete

he sentence.

ffi

has

he

faster eaction

ecause

t1l

( i i )

Describe

owEllaand

Miacouldmake

heir

esults

more el iable.

t1 l

( i i i )

El la's nd

Mia's r iends

want

o

measure heir

eactions

Mia ells

hem o be careful.

Writedownone

riskor hazard hevshould

nowabout.

t1 l

I

ouc l r szo ta

1*g

X F : I

Kn.,

1113t02 OlNt14

[Turn

u:l


3/15

inlttliilltililfrlfriiiiilililililltilulnllltt

2

Baking

owder

s

used

o

help

akes

ise.

The

chemical

ame

or baking

powder

s

sodium

ydrogencarbonate.

When

heated,

odium

ydrogencarbonate

orms

odium

arbonate,

ater

and

carbon

ioxide.

(a) Writea word equation or thisreaction.

Hld

Cz

e9

rg

Cp

G=

H

E5

E

g8

sl

.9"

cI

f r '

bi;

sl

c|l

bd

f

ffi

f

{

f

' l

il

h

ffi

a]

9i

t)l

rl

9l

R]

H

tr

6r

p:

e,

H

F;

$

F

$J

a

H

r

B

$

G

r

(

u

(

I

'7.

w

tzl

t2l

(b)

The

gas

hat

orms

helps he

cake

o

rise.

Which

of

these

sentences

re

rue?

Put

icks

/)

in

the boxes

next o

the correct

entences.

The

particles

n

gases

are

packed

lose

ogether.

a

The

particles

n

gases

il lal l

he

space

available.

Gases

urn

nto

iquids

when

hey'evaporate.

The

particles

n

gases

move

n random

irections.

n

T

n

T

l,--g-r.,"

o'o

11r /0 : r i

/N /14

&

J


4/15

g

tzl

T

tr

T

T

'

s482568405

iliililtitiilllllllllllllllllllllllllllllllllllllllllllllll

(c)

Sodium

ydrogencarbonate

s a so l id .

Whichof thesesentences

re

rue?

Put icks

'/)

in

the

boxes

next o the correct

entences.

Solidsdiffuse eryrapidly.

. , ie

par t ic les

n so l idsi l la l l

hespace

vai lab le .

The

particles

n sol ids re

packed

lose ogether.

The

particles

n

solids

ibrate.

[rurn

""g_j

:r..u.

r.,.

ffi

1113io2tottrt14


5/15

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3

A student

rows

ots

of

different

lantsn his

garden'

His

plants

re

being

aten

y

nsect

ests'

These

re

some

f

he

pests

e

inds

n

his

garden'

Heuseshis

keY

o

identify

hese

Pests.

KeY

o

insect

Pests

Cydia

Lilioceris

LePtinotarsa

Myzus

q

c

M

A

%

F

#

c1

c i

b' l

p-t

c,l,

FI

ot

di

Ff

gI

c1

pi

9l

et

ifi

9r

f,i

el

e

br

gi

s t

ir;

i

(.:

l-

t.

(

("

has

arge

antennae

and

six

ointed

eg s

'worm

like'bodY

ith

no

antennae

wrng

ases

are

small

or

absent

wings

are

covered

by

arge

wingcases

smooth

segmentecl

body

with

no hairs

segmented

odY

covered

n

hairs

long

body

with

curved

ail

pieces

rounded

odY

with

straight

ail

Pieces

wing

cases

ar e

not

patterned

kr. t t t

rot .

1113i02/o/f'.1/

1


6/15

H

+ F \ ^

U t g

mat(

' s

A '

tcts

iliiriilil||iill

(a)

(b)

^ ^ + ^

r u 5

t 5 .

e

nan

in he

letter

you

c

the

F in

S I X

:h

tf

t oF

l

I

I

l

I

T

l

that

names

pest

hen

l3l

letter.orrect

of

h its

ram

th

wit

rces.

d iag

pest

$

space

'

thedia

ch

eacn

empty

ee

on

of

i x t

can

me

F q

E A A

the et

es

of ir

name

of

pest

letter

"r*_

forficula

leptinotarsa

lilioceris

myzus

pieris

t2)

:'

:i

.--:r

r ' ]-ss

or.r

ff i

11

3i02lo/N/1{

[ ' Iurn

ovei

I

4


7/15

l iul

ttttililfifi

iililiiflttt

tttt

ttuttrti

ttr

ltt

4 Sofia

heats

water

n a

Pan.

( a) Na me

the

thermal

heat)

energy

ransfer

processbeing

shown

by

the

diagram.

arrows

on

the

t1 l

9]t

z

tg

c5

L :

(r

ez

GF

g

E

GIR

gl

c"l

ai

6i

ffi

el

@1

H

ffi

GI

trl

el

K\-,

|{,'t

ffi

H

f

ffi

ff

H

H

r

G

u

H

G

d

ir

G

H

o

a

s

G

r

c

6

$

s

"G

s

e

e

(

c

t

(

(

(

i

t

(

I

tzl

(b)

i , ' 1

Complete

he

sentences.

Choose

rom

he

ollowing

ords.

cooler

does

not

move

hotter

rises

sinks

The hot

water

rom

he

bottom

of the

pan

water

at the

op

of the

Pan.

1,,,,"?,".,''o'o

1113i 02/O;'li/'1

1

.t


8/15

E

l2l

S?

t1 l

I1 l

t1l

m into

hree

solutions.

llilllllllll

c

I

, -=uc

l*-

' 5 4 8 2 5 5 8 4 C 9

illlllllllllllllilllllllilliiilltiiililillililile

Charl ie ndEmma

make nd icatorss ing

r imula

They ake hree

differenl oloured

petals

and dip

t

Their

esults re

shown n

the able.

flower

petals.

hem nto

solutions ith

different

Hs.

makean

ndicatoro test or

acids

and alkal i

put

he

(a)

(i)

Whichcolour

etals

ouldnot

be used o

(i i)

Which

olour

etals

ouldbe used

o tesl

(b)

The red

petals

re

put

ntoa

solution

f citr ic

Predict he colourof the

petals.

(c)

Charl ie nd Emmaused he

purple

etals

n

Completehe able.

LES2011

F" l f i

1113 i12 to i

lj}

1 4

I I r i r r i

ove r

i

*-"J

colour of f lower

petals

colour n solut ion

of

pH2

colour n so lu t ion

of

pH7

colour n so lu t ion

of

pHl

1

purple

pink

purple

blue

red

red

reo

green

yellow yellow yellow

yellow

solut ion

colour

of

purplepetals

when added

o

solution

salt

olution

lemon

uice

vinegar


9/15

Iuril

lur

tttilffilfriliiliilm

tuttnttl

tl l

tt

A teacher

ses

an osci l loscope.

10

cr

Cz

c3

c:

Cc

i l

c=

IH

(

gr

c:

6s

F]

ei

F,I

S

g ,

bi

iti

c,

pri

cx

0:

el

Oi

iid

r}J

y.$

e

u

bi

H

H

g

$

gl

$i

e

U

c

u

u

u

fT

a

a

c

p

g

s

G

$

g

s

H

g

6

G

d

I

s

p.

c

c

c

c

f

{

f

H

l1 l

l1 l

t1 l

I1 l

She

makes

ourdifferent

ounds,

,

B,

C and

D.

She

hows

erclass

hese

ounds

n

he

oscilloscope

Which

ound

s he

quietest?

Circlehecorrect nswer.

c

Which

one

of the

ollowing

makes

ound

quieter?

Tick

(r')

the

correct

nswer.

D

D

(br

T

n

D

(d)

n

n

'fl-

'.

r.ru.

roto

/ /

\

\

I

t

\

\

I

I

A

n

A

\

\

I

\

\

\ l

V

\

\j

increasinghe requencY | |

increasing

heamPlitude

I I

(c)

Which

sound

has

he

lowest

pitch?

.",,'cie

he correct

nswer.

increasing

he

frequencY

increasing

he amplitude

decreasing

he

frequencY

decreasing

he

amPlitude

decreasing

he

requencY

decreasing

he

amPlitude

Which

one

of

the

ollowing

ecreases

he

pitch of a sound?

Tick

(z;

the

cprrect

nswer.

T

n

1

1

3102/0 /N/14


10/15

' 5 4 8 2 5 6 8 4 1

1

I iiiti

liltiill

ltililllllllllllllltill

fililltlll

7 Camels

ive n desert

ab i ta ts .

L:r.rrr

ro,o

M

1

Deserts

reveryhot

and dry.

Winds

blow he sandaround.

Camels

avespecial daptationso thishabitat.

Describe

oweachadaptationhown

n

hedrawings elowhelps

he camel.

\Nrite

your

answers

n he

boxes.

The irstone

hasbeendone or

vou.

Large

hick

ipsso hecamelcaneat

prickly

plants

without

hurting tself.

Large yelashes

Nostri ls

hat

close

Wide

eet

Fat

i l led

umP

i',

Lt:4.r

Fe{

f i

1310'2iAl l i l14

[Turn

c,, 'er

I


11/15

'u82568412

illliillllllltililllll

lllllilllllillllillllllllil

lllllll

n

I

Ceri

laces

n

ron

nail

n copper

ulfate

olution'

The

nail

becomes

overed

n a brown

olid.

rR

ig

iron

nail

:he

brown

olid

s an

element.

What

s

the

nameof

this element?

(b)

Ceri

places

piece

f si lver

nto

opper

ulfate

olution.

There

s

no

reaction.

Explain

hy here

s

no eaction.

l1 l

^ l

C=

d

.

Ce.

r I

r Z

CH

cg

Cx

cz

c9el

9;t

9r

c'

.cl

al

gJ

c"t

9-t

g

9J

gl

Q'l

G. l

gil

sn

9J

ffi

ffi

GJ

ffi

G I

e,i

c l

di

J

p.l

g1

bI

el

1^-I

v

c;

a l

YJ

Cl

0i

bx

bl

SJ

,c"J

9l

"q;

;

G

Ol

Pi

p;

gi

a:

c:

v;

n'

C

C

L

C,

( .

l1 l

(c)

Ceri

places

piece

f

copper

nto

silver

itrate

olution

This

ime

here

sa

displacement

eaction.

Complete

he

word quation

or he

displacement

eaction'

copper

+

silver

nitrate

-r

t1l

ii

I

o t - ,cLeszotq

&*.-,,"

i

I i . i r 02 rC r l l i

4


12/15

E

3

I

iirri

ltttl

lilniiliiilnil

uru

tl

t

9

The

Earth s alwaYs

moving

(a)

Look

at the

diagram.

The

movement

f the

Earth

auses he apparent

ai ly

movement

f

the Sunand

stars.

Complete

he

sentences.

The

Earth

on tsownaxis.

, ' l

At

any

ime,

half

he

Earth s n

Look

althe

diagram.

and

half he

Earth

s n

.

I2l

[TL:rn

over

iu

6ffii*a

The

Earth

akes

around

he

Sun.

days

o

do his.

l2l

t-.rr.

ro,o

@

1r'

Sun

@

-tF

---@-

The

movement

f

the Earth auses

he

apparent

nnual

(yearly)

movement

f the

Sun and

stars.

Complete

he sentences.

The

Earth

I t s ; } :

G+r j

iC

1113l02lol"

'' 4


13/15

lllllillill

lffiilI|

lil

lllullilllllllllltlllil

illlll

M

1ti

,-ci lpv

o

preparingbeans

on

toast.

The

label

^n

his

t in

of beans

shows

this

information.

g l

=

cp

cg

(o o

7T .

L F

a z

H

$5

Fx

c>

$8

P*

EI

el

c'

br

eri

CIi

9r:

&i

$c

p.g

cI

i:d

s*

ed

uI

6ii

bI

ffi

Ei

gr

c l

Qti

8

cl

CI

Url

ql

e l

Ci

c l

e l

P.l

9.1

0,i

iii

e.j

ffi

each

200g

serving

of beans

contains

%

GDA

energy

588kJ

7%

sugar

11 .89

13%

fat

(saturated)

0.6

g

2%

'rt

(unsaturated)

0.6

1%

salt

1 .9g

31%

GDA

=

guidel ine

daily

amount

(a) Use

he

nformation

o calculate

he

guidel ine ai ly

amount

GDA)of

saturated

at.

u ,

, v . ,

, -U f

WOfk ing .

GDA

of

saturated

at

. .--..

. . . . . . . . . .

l2l

(b)

The

nformation

n

the can

of

beans

ncludes

nly

some

of

the

nutrients

eeded

or

a

balanced

iet.

^crrr;c

ne

nutrient

hich

s

missing

rom

he

abel

and

describe

ow

t is

used

n the

human

body.

Name

f

nutrient

How

t s

used

.'

t2l

E

1113 /0 : i ( ) , /N / f


14/15

' 5 4 8 2 5 6 8 4 1 5

i

iil||

liillilililfi

lilt

lilt

ilt

lil

lilt

liltllltl

15

11 Here

s

some

of

the

apparatus

heena ses

o make

he

salt

calcium

hlorioe.

glass

od

acid

and

calcium

beaker

carhonate

Sheena ixes

n

acid

with

alcium

arbonate

n hebeaker.

Themixture

izzes.

C:lcleheacid

he

uses

o make

alcium

hloride.

acetic

acid

hydrochloric

acid

nitr ic

acid

sulfuric

acid

12

f

,ere

s

a diagram

f a l i thium

tom.

- - o - -

\

\

\

(crl

the atom

has

hree

protons.

State

he number

of neutrons

n the

atom.

(b)

Write

down

he

chemical

ymbolfor

i thir"rm.

t11

I

I

t

I

t

t l

t l

O t

t1 l

rl

t

: , . ,

N

g

- . , L E J Z U I J

I

**

1 i 1 3 i A Z i O t i l l i l

Iiurn

r3*fi


15/15

' 5482568416

lllilllllillillilllillllillilllllillllil

illlill

llllll

1

13

Kaito

s a technician

n a

laboratory.

He

does

an experiment

o

find

how he

density

f

water

hanges

ith emperature.

density=mass+volume

To find hedensity,Kaito illsa 250cm3containerwithwater.

(a)

(i)

What

other

measurement

ill

Kaitoneed

o

work out

he

density

of

the water?

\

t1l

( i i)

What

iece

f

equipment

ould

e

use o

make

his

measurement?

t1l

(b)

Kaito inds hedensity f water t ourdifferentemperatures'

Whatapparatus

ill

Kaitouse

o measure

he

emperature?

t1I

cl

C z

.L 9

l d

cg

Cq.

CT

c=

iH

$g

IF

c>

GR

b;

F:t

"ct

l

Ot

R$

err

br,

Hd

8

l

ln

0r

6t

f

fiI

${

cjl

ct

ci

c l

0i

PI

c l

itl

oi

sl

9i

al

ct

iil

cl

pI

c1

b'l

FI

c,

F,j

O'j

ii

G;

F':

c:

H

a,

b

r

e

r'

(c)

Here

re

Kaito's

esults.

Describe

he

pattern

hown

y

Kaito's

esults

temperature

n

oG

density

n mg/cm3

4

1000

20

998

40

992

60

983

t1l

p;t;;t;;p,.d;,t"'|*h*;rhr,dr.r1y;n-J*"t";uipJ..tJ;i

-py"gnt

"

t"r,,o.l

n"J*^ *rsr-

"",1

l"d

th"*

p"*.bl"lt*'i

D i i b l i . ' 5 i r , i i l f , \ e f , i i . a s ; i 1 r 1 . r t r r : l : a l l I F i r , f s : : t l i , t " . - r J r . : l t " r f r: l i - r i . - ' c : : - l n i : ; ' '

C : : l r : i . c e

i ' : t t - i ' a . i '

; r l ' l r i l i l ' l . : , 1

: r ' , ( r :

"

a - ' :

- ' r , r : '

; '

1 ' : r

;

C : : : l - r ' ' : : ' : " 1 '

1 ;

: : l " l

I

c : , a . .

, l . l ' r a : ;

5 J r , r i , a , i l ' ' : ,1 . , ; L l : - i , ) ,

r i ' l i l ' i s

i i : r i , 3 d a ;

, i i i l i r i ' i c i

i l

'

l ' i ' i ' : r : :

i ) :

C : n l l

i '

checkpoint sains paper 2

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