Changing Materials! - Alston Publishing · PDF fileName: Class: Date: Changing Materials! t 2...
Transcript of Changing Materials! - Alston Publishing · PDF fileName: Class: Date: Changing Materials! t 2...
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 1How Can Materials Change?Which of the following change to form new materials? Tick (✓) the circles.
Paper
Paper
Water
Raw egg
Origami bird
Ash
Ice
Hard-boiled egg
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 233
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 2How Can Forces Change Materials?Match the pictures to the actions.
Actions
Stretch
Twist
Bend
Squash
234 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 2How Can Forces Change Materials?Match the pictures to the actions.
Actions
Stretch
Twist
Bend
Squash
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 3How Can Heat Change Materials?The pictures in each row show what happens before and after a material is heated.
For each row, write ‘1’ in the box for the material before it is heated. Write ‘2’ in the box for the material after it is heated.
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 235
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 4How Can Cooling Change Materials?Match the materials to what they will become after they are cooled.
Melted chocolate
Water
Kiwi juice
Pudding mixture
Materials After cooling
236 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 4How Can Cooling Change Materials?Match the materials to what they will become after they are cooled.
Melted chocolate
Water
Kiwi juice
Pudding mixture
Materials After cooling
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 5How Can Water Change Materials?Place each of the words in the table under the correct heading in the chart below.
The first one has been done for you.
Chalk Instant coffee powder Milk powder Sand
Flour Marble Salt Sugar
Materials
Can dissolve in water Cannot dissolve in water
Instant coffee powder
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 237
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 6What Are Some New Materials We Can Get From Natural Materials?Which of these are new materials that we get from natural materials? Tick (✓) the circles.
Wooden box
Plastic watering can
Oil
Glass marbles
Ice cubes
Newspapers
238 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Name: Class: Date:
Changing Materials!
Consolidation Worksheet 6What Are Some New Materials We Can Get From Natural Materials?Which of these are new materials that we get from natural materials? Tick (✓) the circles.
Wooden box
Plastic watering can
Oil
Glass marbles
Ice cubes
Newspapers
Name: Class: Date:
Fun and Games
Changing Materials!
The words listed below are hidden in the letter grid. Find them!
Word Search!
BEND CHANGE COOL HEAT MELT RECYCLE SQUASH STRETCH TWIST
B V X E S Q U A S H
M C R E C Y C L E I
E O H U V M A E T C
L P L A C I S P R O
T N Y E N E T H W O
I U D P S G R A O L
T W I S T B E U B I
J E K L U P T Y E Z
O H E A T X C O N A
Q F A G I L H N D W
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 239
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Nam
e:
C
lass
:
Dat
e:
Ch
angi
ng
Mat
eria
ls!
Co
nso
lid
atio
n W
ork
shee
t 1H
ow
Ca
n M
ate
ria
ls C
ha
ng
e?W
hich
of t
he fo
llow
ing
chan
ge to
form
new
mat
eria
ls?
Tick
(✓
) th
e ci
rcle
s.
Pape
r
Pape
r
Wat
er
Raw
egg
Orig
ami b
ird
Ash
Ice
Hard
-boi
led
egg
✓ ✓
Nam
e:
C
lass
:
Dat
e:
Ch
angi
ng
Mat
eria
ls!
Co
nso
lid
atio
n W
ork
shee
t 2H
ow
Ca
n F
orc
es C
ha
ng
e M
ate
ria
ls?
Mat
ch th
e pi
ctur
es to
the
actio
ns.
Act
ions
Stre
tch
Twist
Bend
Squa
sh
240 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Ch
ap
ter 4
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Nam
e:
C
lass
:
Dat
e:
Ch
angi
ng
Mat
eria
ls!
Co
nso
lid
atio
n W
ork
shee
t 3H
ow
Ca
n H
eat
Cha
ng
e M
ate
ria
ls?
The
pict
ures
in e
ach
row
sho
w w
hat h
appe
ns b
efor
e an
d af
ter
a m
ater
ial i
s he
ated
.
For
each
row
, writ
e ‘1’
in th
e bo
x fo
r th
e m
ater
ial b
efor
e it
is he
ated
. Writ
e ‘2
’ in
the
box
for
the
mat
eria
l afte
r it
is he
ated
.
1 2 1 1
2 1 2 2
Nam
e:
C
lass
:
Dat
e:
Ch
angi
ng
Mat
eria
ls!
Co
nso
lid
atio
n W
ork
shee
t 4H
ow
Ca
n C
oolin
g C
ha
ng
e M
ate
ria
ls?
Mat
ch th
e m
ater
ials
to w
hat t
hey
will
beco
me
afte
r th
ey
are
cool
ed.
Mel
ted
choc
olat
e
Wat
er
Kiw
i jui
ce
Pudd
ing
mixt
ure
Mat
eria
lsA
fter
coo
ling
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 241
Cha
ngin
g M
ater
ials
!
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Nam
e:
C
lass
:
Dat
e:
Ch
angi
ng
Mat
eria
ls!
Co
nso
lid
atio
n W
ork
shee
t 5H
ow
Ca
n W
ate
r Cha
ng
e M
ate
ria
ls?
Plac
e ea
ch o
f the
wor
ds in
the
tabl
e un
der
the
corr
ect h
eadi
ng
in th
e ch
art b
elow
.
The
first
one
has
bee
n do
ne fo
r yo
u.
C
halk
In
stan
t cof
fee
pow
der
Milk
pow
der
Sand
Flo
ur
M
arbl
e
Sal
t
S
ugar
Mat
eria
ls
Can
diss
olve
in w
ater
Can
not d
issol
ve
in w
ater
Inst
ant c
offe
e po
wde
r
Milk
pow
der
Salt
Suga
r
Sand
Flour
Mar
ble
Cha
lk
Nam
e:
C
lass
:
Dat
e:
Ch
angi
ng
Mat
eria
ls!
Co
nso
lid
atio
n W
ork
shee
t 6W
ha
t A
re S
om
e N
ew M
ate
ria
ls W
e Ca
n G
et F
rom
Na
tura
l M
ate
ria
ls?
Whi
ch o
f the
se a
re n
ew m
ater
ials
that
we
get f
rom
nat
ural
m
ater
ials?
Tic
k (✓
) th
e ci
rcle
s.
Woo
den
box
Plas
tic w
ater
ing
can
Oil
Gla
ss m
arbl
es
Ice
cube
s
New
spap
ers
✓
✓
✓
242 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Ch
ap
ter 4
Ans
wer
s to
Add
ition
al Te
ache
r’s R
esou
rces
Nam
e:
C
lass
:
Dat
e:
Fu
n a
nd
G
ames
Ch
angi
ng
Mat
eria
ls!
The
wor
ds li
sted
bel
ow a
re h
idde
n in
the
lette
r gr
id. F
ind
them
!
Wo
rd S
earc
h!
BE
ND
C
HAN
GE
CO
OL
HEA
T M
ELT
RE
CYC
LE
SQUA
SH
STRE
TCH
TWIS
T
BV
XE
SQ
UA
SH
MC
RE
CY
CL
EI
EO
HU
VM
AE
TC
LP
LA
CI
SP
RO
TN
YE
NE
TH
WO
IU
DP
SG
RA
OL
TW
IS
TB
EU
BI
JE
KL
UP
TY
EZ
OH
EA
TX
CO
NA
QF
AG
IL
HN
DW
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 243
Cha
ngin
g M
ater
ials
!
Glossary
GlossaryChapter 4: Changing Materials!
Dissolve When a substance disappears when stirred in water
Liquid A substance that is fluid and has no definite shape
Melt To become a liquid by heating
Recycle To reuse a substance by making it into something else
Solid A substance that has a definite volume and shape
Marble A kind of stone that is often polished and used in buildings and statues
Squash To press forcibly against or cram into a small space
Steam Water changed into its gas form due to heat
Twist To combine two or more strands by winding them together/to change the shape by turning the ends in opposite directions
244 © 2012 Alston Publishing House Pte Ltd
Ch
ap
ter 4