Page 1
Heat and Temperature
Name: Class: Date:
Consolidation Worksheet 1What Is Heat? / What Is Temperature?1. Identify and put a tick (ü) in the boxes next to the pictures below
that shows heat is useful.
a. b.
c. d.
e. f.
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 185
Page 2
2. The diagram below shows four glasses of water.
Glasses P and Q have the same amount of water. Glasses R and S have the same amount of water.
The water in Glasses P and R are at the same temperature. The water in Glasses Q and S are at the same temperature.
Fill in the blanks below with the correct answers.
a. The water in Glass has the most heat.
b. The water in Glass has the least heat.
30 ºC
30 ºC
P
R
60 ºC
60 ºC
Q
S
186 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Page 3
Heat and Temperature
Name: Class: Date:
Consolidation Worksheet 2How Does Heat Travel?a. Ari touched a metal spoon. The metal spoon felt cold. In the picture below, draw an arrow to show the direction of heat flow.
b. Tom placed a metal spoon in a mug of hot coffee. The metal spoon felt hot.
In the picture below, draw an arrow to show the direction of heat flow.
c. Complete the statement below. If two objects are near each other and one object is hotter than
the other, then heat will flow from the object to the
object.
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 187
Page 4
Heat and Temperature
Name: Class: Date:
Consolidation Worksheet 3What Happens When an Object Gains or Loses Heat?It is common to see electrical cables sagging on very hot days as shown below. Fill in the blanks with the appropriate words to explain why this happens.
On a very hot day, the metal wires in the cable heat
quickly. This causes the metal wires to . The wires thus
in length and width, causing them to sag.
188 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Page 5
Heat and Temperature
Name: Class: Date:
Consolidation Worksheet 4What Are Good and Poor Conductors of Heat?Study the classification chart below and fill in the blanks with the correct words. Use the words in the box below to help you. Each word can be used only once.
CopperGas
GoodPoor
LiquidSilver
PlasticWood
Materials
conductors of heat
conductors of heat
such as
• Iron
• Steel
•
• • Styrofoam
•
•
Solid
Water Oxygen
such as such as such as
may be
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 189
Page 6
1
2 3
4
5 6
7
8
9 10
11
12
Heat and Temperature
Name: Class: Date:
Fun and Games
N
H
G
T
Crossword Puzzle!
Complete the crossword puzzle using the clues given below.
Down:
1. Our sense of cannot measure temperature accurately.
3. Wood is a conductor of heat.
4. Heat is a form of .
6. is a measure of how hot or cold an object is.
10. Metals can when heated.
190 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Page 7
Across:
2. Heat is used to our food.
5. When two objects of different temperatures are in contact, heat will
travel from the object to the other object.
7. The instrument used to measure temperature accurately is a .
8. Temperature is measured in the unit Celsius (°C).
9. A , when used with a temperature sensor, can be used to measure
and record temperatures.
11. The Sun is an important of heat.
12. A hotter object will have a temperature.
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 191
Page 8
Heat and Temperature
Name: Class: Date:
Exam PracticeProcess skills: Observing, Comparing, Analysing
Rita’s mother prepared iced tea by pouring hot tea into a glass containing ice cubes.
a. How will the temperature of the hot tea change after it is poured over the ice cubes? [1 mark]
b. Fill in the blanks with the words ‘gained’ or ‘lost’. [2 marks] When the hot tea is poured over the ice cubes, heat is
by the ice cubes and by the hot tea.
c. What change will the ice cubes undergo when the hot tea is poured over them? [1 mark]
192 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Page 9
Heat and Temperature
Name: Class: Date:
Exam PracticeProcess skills: Observing, Comparing, Analysing
Rita’s mother prepared iced tea by pouring hot tea into a glass containing ice cubes.
a. How will the temperature of the hot tea change after it is poured over the ice cubes? [1 mark]
b. Fill in the blanks with the words ‘gained’ or ‘lost’. [2 marks] When the hot tea is poured over the ice cubes, heat is
by the ice cubes and by the hot tea.
c. What change will the ice cubes undergo when the hot tea is poured over them? [1 mark]
d. In which of the cups below should Rita’s mother keep the iced tea to keep it cold for as long as possible? Circle the correct answer.
[1 mark]
Polystyrene cup
Steel cup
Ceramic cup
Glass cup
Hint:The iced tea will stay cold if heat from
the surroundings is not conducted to it quickly. Which of the materials will
conduct heat the slowest?
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 193
Page 10
Ans
wer
s to
Add
ition
al T
each
er’s
Res
ourc
esA
nsw
ers
to A
dditi
onal
Tea
cher
’s R
esou
rces
2.
The
diag
ram
bel
ow s
how
s fo
ur g
lass
es o
f wat
er.
G
lass
es P
and
Q h
ave
the
sam
e am
ount
of w
ater
. Gla
sses
R a
nd S
ha
ve th
e sa
me
amou
nt o
f wat
er.
Th
e w
ater
in G
lass
es P
and
R a
re a
t the
sam
e te
mpe
ratu
re. T
he
wat
er in
Gla
sses
Q a
nd S
are
at t
he s
ame
tem
pera
ture
.
Fil
l in
the
blan
ks b
elow
with
the
corr
ect a
nsw
ers.
a.
The
wat
er in
Gla
ss
has
the
mos
t hea
t.
b. T
he w
ater
in G
lass
h
as th
e le
ast h
eat.
30 º
C
30 º
C
P R
60 º
C
60 º
C
Q S
S P
Hea
t an
d T
emp
erat
ure
Nam
e:
C
lass
:
Dat
e:
Co
nso
lid
atio
n W
ork
shee
t 1W
ha
t Is
Hea
t? /
Wha
t Is
Tem
per
atu
re?
1. Id
entif
y an
d pu
t a ti
ck (ü
) in
the
boxe
s ne
xt to
the
pict
ures
bel
ow
that
sho
ws
heat
is u
sefu
l.
a.
b.
c.
d.
e.
f.
✓ ✓✓
194 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Ch
ap
ter 3
Page 11
Ans
wer
s to
Add
ition
al T
each
er’s
Res
ourc
esA
nsw
ers
to A
dditi
onal
Tea
cher
’s R
esou
rces
Hea
t an
d T
emp
erat
ure
Nam
e:
C
lass
:
Dat
e:
Co
nso
lid
atio
n W
ork
shee
t 3W
ha
t H
ap
pen
s W
hen
an O
bje
ct G
ain
s or
Lose
s H
eat?
It is
com
mon
to s
ee e
lect
rical
cab
les
sagg
ing
on v
ery
hot d
ays
as
show
n be
low
. Fill
in th
e bl
anks
with
the
appr
opria
te w
ords
to e
xpla
in w
hy
this
happ
ens.
On
a ve
ry h
ot d
ay, t
he m
etal
wire
s in
the
cabl
e h
eat
quic
kly. T
his
caus
es th
e m
etal
wire
s to
. T
he w
ires
thus
in le
ngth
and
wid
th, c
ausin
g th
em to
sag
.
gain
expa
nd
incr
ease
Hea
t an
d T
emp
erat
ure
Nam
e:
C
lass
:
Dat
e:
Co
nso
lid
atio
n W
ork
shee
t 2H
ow
Does
Hea
t Tr
ave
l?a.
A
ri to
uche
d a
met
al s
poon
. The
met
al s
poon
felt
cold
.
In th
e pi
ctur
e be
low
, dra
w a
n ar
row
to s
how
the
dire
ctio
n of
hea
t flo
w.
b.
Tom
pla
ced
a m
etal
spo
on in
a m
ug o
f hot
cof
fee.
The
met
al s
poon
fe
lt ho
t.
In
the
pict
ure
belo
w, d
raw
an
arro
w to
sho
w th
e di
rect
ion
of h
eat f
low
.
c.
Com
plet
e th
e st
atem
ent b
elow
.
If tw
o ob
ject
s ar
e ne
ar e
ach
othe
r an
d on
e ob
ject
is h
otte
r th
an
the
othe
r, th
en h
eat w
ill flo
w fr
om th
e o
bjec
t to
the
obj
ect.
hotte
r
Arr
ow s
houl
d be
dr
awn
from
the
hand
/fin
gers
to th
e sp
oon.
Arr
ow s
houl
d be
dra
wn
from
th
e sp
oon
to th
e ha
nd/f
inge
rs.
cold
er
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 195
Hea
t a
nd
Tem
per
atu
re
Page 12
Ans
wer
s to
Add
ition
al T
each
er’s
Res
ourc
esA
nsw
ers
to A
dditi
onal
Tea
cher
’s R
esou
rces
1
23
4
56
7
8 910
11
12
Hea
t an
d T
emp
erat
ure
Nam
e:
C
lass
:
Dat
e:
Fu
n a
nd
G
ames
N
H
G
T
Cro
ssw
ord
Pu
zzle
!
Com
plet
e th
e cr
ossw
ord
puzz
le u
sing
the
clue
s gi
ven
belo
w.
Dow
n:
1. O
ur s
ense
of
can
not m
easu
re te
mpe
ratu
re a
ccur
atel
y.
3.
Woo
d is
a c
ondu
ctor
of h
eat.
4.
Heat
is a
form
of
.
6.
is a
mea
sure
of h
ow h
ot o
r co
ld a
n ob
ject
is.
10.
Met
als
can
whe
n he
ated
.T
CO
OK
P
UO
CO
E
HO
TT
ER
EE
TE
RM
OM
ET
ER
PG
DE
GR
EE
Y
R
DA
TA
LO
GE
R
X
SO
UR
CE
P
RA
HI
GH
ER
N D
Hea
t an
d T
emp
erat
ure
Nam
e:
C
lass
:
Dat
e:
Co
nso
lid
atio
n W
ork
shee
t 4W
ha
t A
re G
ood
and
Poor
Cond
uct
ors
of
Hea
t?St
udy
the
clas
sific
atio
n ch
art b
elow
and
fill
in th
e bl
anks
with
the
corr
ect
wor
ds. U
se th
e w
ords
in th
e bo
x be
low
to h
elp
you.
Eac
h w
ord
can
be
used
onl
y on
ce.
Cop
per
Gas
Goo
dPo
orLi
quid
Silv
erPl
astic
Woo
d
Mat
eria
ls
co
nduc
tors
of h
eat
co
nduc
tors
of h
eat
such
as
• I
ron
• S
teel
•
•
• S
tyro
foam
•
•
Solid
Wat
erO
xyge
n
such
as
such
as
such
as
may
be
Poor
Goo
d
Gas
Liqui
d
Woo
d
Silv
er
Cop
per
Plas
tic
196 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Ch
ap
ter 3
Page 13
Ans
wer
s to
Add
ition
al T
each
er’s
Res
ourc
esA
nsw
ers
to A
dditi
onal
Tea
cher
’s R
esou
rces
Acr
oss:
2.
Heat
is u
sed
to
our
food
.
5.
Whe
n tw
o ob
ject
s of
diff
eren
t tem
pera
ture
s ar
e in
con
tact
, hea
t will
trav
el fr
om th
e o
bjec
t to
the
othe
r ob
ject
.
7.
The
inst
rum
ent u
sed
to m
easu
re te
mpe
ratu
re a
ccur
atel
y is
a .
8.
Tem
pera
ture
is m
easu
red
in th
e un
it C
elsiu
s (°
C).
9.
A
, whe
n us
ed w
ith a
tem
pera
ture
sen
sor,
can
be u
sed
to m
easu
re
and
reco
rd te
mpe
ratu
res.
11.
The
Sun
is an
impo
rtan
t o
f hea
t.
12.
A h
otte
r ob
ject
will
have
a
tem
pera
ture
.
Hea
t an
d T
emp
erat
ure
Nam
e:
C
lass
:
Dat
e:
Ex
am P
ract
ice
Pro
cess
sk
ills
: Obs
ervi
ng, C
ompa
ring,
Ana
lysin
g
Rita
’s m
othe
r pr
epar
ed ic
ed te
a by
pou
ring
hot t
ea in
to a
gla
ss
cont
aini
ng ic
e cu
bes.
a.
How
will
the
tem
pera
ture
of t
he h
ot te
a ch
ange
afte
r it
is po
ured
ov
er th
e ic
e cu
bes?
[1
mar
k] b.
Fil
l in
the
blan
ks w
ith th
e w
ords
‘gai
ned’
or
‘lost
’.
[2 m
arks
]
Whe
n th
e ho
t tea
is p
oure
d ov
er th
e ic
e cu
bes,
heat
is
by
the
ice
cube
s an
d b
y th
e ho
t tea
.
c.
Wha
t cha
nge
will
the
ice
cube
s un
derg
o w
hen
the
hot t
ea is
pou
red
over
them
? [1
mar
k]
The
tem
pera
ture
of t
he h
ot te
a w
ill de
crea
se.
The
ice
cube
s w
ill m
elt.
/ Th
e ic
e cu
bes
will
turn
into
wat
er. /
The
ice
cube
s w
ill ch
ange
into
the
liqui
d st
ate.
gain
edlo
st
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 197
Hea
t a
nd
Tem
per
atu
re
Page 14
Ans
wer
s to
Add
ition
al T
each
er’s
Res
ourc
es
d.
In w
hich
of t
he c
ups
belo
w s
houl
d Ri
ta’s
mot
her
keep
the
iced
tea
to
keep
it c
old
for
as lo
ng a
s po
ssib
le?
Circ
le th
e co
rrec
t ans
wer
.
[1 m
ark]
Poly
styr
ene
cup
Stee
l cup
Cer
amic
cup
Gla
ss c
up
Hin
t:T
he ic
ed t
ea w
ill st
ay c
old
if h
eat
from
th
e su
rrou
ndin
gs is
not
con
duct
ed t
o it
quic
kly. W
hich
of
the
mat
eria
ls w
ill co
nduc
t he
at t
he s
low
est?
198 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources
Ch
ap
ter 3
Page 15
GlossaryChapter 3: Heat and Temperature
Contract Decrease in size or volume
Degree Celsius A unit of measure for temperature
Expand Increase in size or volume
Good conductor A material that allows heat or electricity to pass through quickly
Heat A form of energy that is transferred due to difference in temperature
Poor conductor A material that does not allow heat or electricity to pass through quickly
Source Where something comes from
Temperature A measure of how hot or cold a substance or place is
Thermometer An instrument used to measure temperature accurately
© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 199
Hea
t a
nd
Tem
per
atu
re