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Heat and Temperature Name: Class: Date: Consolidation Worksheet 1 What 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
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What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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Page 1: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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: What Is Heat? / What Is Temperature? - Alston Publishing · PDF fileHeat and Temperature Name: Class: Date: t 1 What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü)

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