Checkpoint SAINS Paper 1

8/10/2019 Checkpoint SAINS Paper 1

1/13

r, l

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1 Different ellshave

different

uncticns.

Drawa

line

between aclr

picture

of a

cel larrd ts unction.

NOT TO

SCALE

picture

w

2'\)

r-

\

0

I

p

., 1

Y

@::"-

k

ffi

ru

ct

C.li

cf

c

9,

CI

ci

el.

c,f

citcilt

ct

c{]

c"

c.t

cu

g

t3l

carries

electrical

messages

absorbs

ater

rom

he

soil

swims o egg

cell

contains hloroplasts

or

photosynthesis

carriesoxygen n the

blood

J

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c

D

A

B

2 The

nternal

tructure

f

the Earth

s

made

of different avers

Lookat the

diagram

f the

Earth.

NOTTO

SCALE

On

he

diagram,abel

arts

,

B,

C andD.

I

ouc leszora

-

ffi

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3

Lookat

the diagram.

t shows

howwhite

ight

an be spl i t nto

different olours

c,t

C=

cp

cs

( a

CF

a z

cH

s

:

c8ea

9'*

3

el

C[,

CT

ar

c,I

c

c ;

ct

cfjcll

ct l

8

citS

clj

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et

OF

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x

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ci

ct

d

d,t

cI

cti

cl,

c l

c l

c l

@

l1 l

t1l

ray

of

white ight

(a)

What s

the name

of the

process

n which

white ight s

spl i t nto

different olours?

Tick

r;the

correct

ox.

absorption

diffraction

dispersion

reflection

(b)

What

s the name

or

he

glass

block

shown n the diagram?

(c)

Complete

he

sentence

hathelps

o

explain he different

aths

of red ight

andviolet

ight.

Violet

ight ravels t a

..

speed

within

he

glass

block

han

the red ight.

(d)

Only

wo

ight

ays

are shown.

S is

he

path

of

red

ight.

T is the

path

of violet

ight.

Draw,on the diagram,

he

path

of a ray

of

green

ight.

n

T

T

n

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llllllllllllllll

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4 Look

at the

graph.

oercentaqe

that

play

e"nnis

15

(a)

(i)

Describe wo

patterns

n the data.

1 .

It shows he

percentages

f boysand

girls

between

he ages

of

'11

and

15 who

play

ennis

as

their

main orm

of

exercise.

10

13

age

,

'

.

,

( i i )

Calculate he

difference n

percentage

etween

15

year

old boys that

play

tennis

and

15

year

old

girls

hat

play

ennis.

(i i i )

Calculatehe

percentage

f

13

year

old

boys

hatdo not

play

ennis.

%

t1 l

Exercise

s

importantor fitnessand

health.

Describe ne other actor hat s importantor

fitnessand

health.

l2l

.

12)

(b)

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5

Read he nformation

n

the

boxabout

ndigestionablets.

Acids

n the

stomach an

cause ndigestion.

Indigestionablets

an

get

rid

of

the acid.

(a)

Complete he sentences.

Choose

words

rom he list.

absorb

neutral ise

acidic

sa l t

a lka l ine

suga r

Indigestionablets

the acid n he stomach

becausendigestionablets

re

Indigestion

ablets eactwith

he acid

o form

water

and a

(b)

Tom investigates

wo

differentndigestion

ablets.

He wants

o

find

he best ndigestion

ablet.

He adds3

dropsof Universal

ndicator

olutiono 50cm3of acid.

Tom adds

one

indigestion

ablet nd stirs

he

solution.

He

repeats

his

or

he

other

ndigestion

ablet.

( i)

How

doesTomdecidewhich

ablet

ets

idof most

acid?

t3l

I3l

(

i )

Tom epeats

heexperiment

itha

third

ablet.

Write

own nevariable

e should eeo hesame.

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1

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6

The diagram

hows he

lowers f

a water

i ly.

r-"ri

The flower

attracts

mall

beetles,whichcrawl nside.

(a) (i)

Suggest

why beetlesare

attracted o water

ily lowers.

(i i )

Suggest

why he

presence

f beetles

s mportant

o

the water

i ly

plants.

l1 l

l1 l

.

(b) The male

parts

of the

flower

produce

ex cells.

( i)

What

name s

given

o the

male

parts

of

a

flower?

(ii)

What s the

name of the

grains

produced

by

the

male

parts

of the

flower hat contain

he

malesex cel ls?

(i i i )

Which

worddescribes

he

oining

f a

malesex

cell

witha female

ex cel l?

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7 Marcel

ndArmansiton a seesaw.

ffi$

c l

Cz

cH

c:

Cs-

cil

c=

cI

cg

c,

c>

cE

c l

c l

c l

cl

eJ

e"l

e-l

eJ

e,l

.cl

9.

9'

cJ

s)

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ci

et

EI

9:l

GJ

qr

cJ

9l

e1

c,l

cl

c l

c.l

aJ

c1

c' l

c

c1

C' l

cil

(a)

Marcel

lp ivot

The seesaw

alances.

(i)

Calculate

he

moment

ausedby

Marcel.

Answer

(i i)

Calculate

hemoment aused yArman.

Answer

Armanmoves

loser o the

oivot.

Describe hat

happens.

Nm

t1l

Nm

t1l

(b)

l2l

o, l

o l

Gl

el

e.l

ei

oj

o-,

e

el

OI

cl

0-l

9":

c

sll

oJ

c.l

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QI

c:

c

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llll

llllll

(c)

Marcel nd

Armanchange

places.

ffi

Arman

Tick

(z;the

boxesnext o

the two correctstatements.

The

seesaw alances.

The seesaw

oes

not balance nd moves n a clockwise irection.

The seesaw oes

not

balance

nd

moves n an anti-clockwiseirection.

Marceland Armanhave he

same

orce.

Marcel as

a

larger orce

hanArman.

Marcel asa smaller orce hanArman.

tr

T

T

T

tr

tr

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0

I

(a)

Sancha inds nformation

boutenergy

sources

rom

he Internet

ffig

c;

C=

cg

c=

(u>

CF

c=

CH

rE -

: 3

t t F

L Z

c8

c '

gI,

c t

cf

o,I

et

C;l.

C;f

91.

g.i:

4.,,I

e.l,

cl

qJ;

o-:

c,I

9{

CJ

c'I

qf

c,l

9t

ct

c l

ct .

c lc f

c l

c l

c l

crl

c l

c l

9 l

ci

c l

c l

CI

QI

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e.l

ci

c.

ct

q l

c,l

sl

CI

e:i

Q:

Q.f

ej

sj

ci

c

CI

cl

c l

c l

^ l

Here s her nformation.

energy

source

percentage

f electricity

generated

singsource

coal

24

gas

and oi l

26

nuclear

30

renewable

20

What s he bestway or Sanchao

present

er

nformation?

Circle

our

answer.

frequency

diagram

l ine

graph

pie

chart

table

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'

5463220511

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f

(b)

Friedrik

measures

he current

hrough

omeelectrical

omponents.

component

Here rehis esults.

What s the bestway for Friedrik

o

present

his

results?

Circle

our

answer.

bar chart

l ine

graph

pie

chart table

l1 l

ffi{

component

current

n

amps

resistor

1

lamp 4

wtre

10

electromaonet

o

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'

s463220512

I ffffii

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lffilllllili

lflliltliit

ll

lil

I Chemical

ymbols

are used

o represent tomsof

elements

Chemical ymbols re used

n

chemical

ormulae.

Look

at the listof formulae.

Co

NaNOr

Si

SOz

An element as

he chemical ymbol

Si.

What s the name

of thiselement?

(b)

Choose rom he ist he ormula

f another lement.

(c)

NaNO3s the ormula or

a compound.

(i)

Explain ow

you

can el l t s a compoundrom

ts

ormula.

12

cl

Cz

cg

cg

Q a

c-

c4

CH

cg

C;

c>

c8

Ir

a\

s.l,

9t

e .

q,r

cf

c

9t.

cl ,

C.l.

CIlj

oI

C;I

0

cl,

c1"

C1,

ct

Q,l

G_l

G+

ct

c:l

ci

ctGt

S-1

cl

o-l

GI

cl

c l

c l

c l

c, l

c'1

oj

9i{

Ait

et

EI

gi

et

cl

c.*

Att

c.t

cl

c,l

ct

oll

cl

cl

cl

c l

c l

c l

c l

Oz

co

t1l

t1l

t1l

( i i )

Choose

rom

he ist he ormula or

one othercompound.

(d)

A compound as

he

ormula

CaCOs.

State he number

of different lements n

CaCO3.

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lr

lnifififrfrlflilllnntl

ntlllt

lntl

10

Look

at

the diagram

f

a human

body.

13

(a)

Write he

namesof

parts

X

and

Y in the

spaces.

Choose

words rom he

list.

large ptestine

smal l n test ine

tffi

l iver

stomach

lung

heart

(b)

The digestive ystem

contains hemicals hat break

down

ood.

What

are

hesechemicals al led?

l2l

t1l

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4

11

Nadiahas our

ods,

A, B,

C and

D.

Each

rod s

made

of a

differentmaterial.

She ries o electrically

harge

each

rod.

Nadia

brings od A

and rod

B

close

ogether.

c l l

Cz

cp

cg

Ce

CE

a z

cH

cg

c5

c>

c8

gI

C,

cA

c:l.l

C[I

c.t,l

ci;l,

9 l l

c l

c l l

c t l

cil

elr

0J,

o11

cl l

c l l

cl l

CI,t

9t l

c l

qlr

C,ll

C'ir

c;fi

e.ll

c l t

c t l

0t,l

pll

g,ll

o-ll

c,ll

c r l

cr,i

c ,,

qfr

sll

e{t

e.ll

cf'l

cil

p t

e,lJ

e,t,

qJl

er

g:.1

cil

eil

O't,i

c r

c l l

ctr

cl l

s.ll

c.ll

il

l1 l

rod A-

They

attract achother.

Nadia rings ther ombinationsf

rods

loseogether.

Hereareher

esults.

rods

force

AandB

attract

BandC

no force

AandC no force

BandD

repel

AandD

attract

(a) Describe owNadia an ry o electricall yharge peach od.

rod B

(b)

Nadia nows od

D

hasa negativeharge.

(i)

What s

heelectric harge n

rodA?

(ii)

What

s

heelectric harge n rodB?

(iii) What s heelectric harge n rodC?

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Checkpoint SAINS Paper 1

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