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HEAT

Total questions: 98

Worksheet time: 53mins

Name
Class
Date
1.

Which one of the following is a reliable measure of heat?

a)

Hotness

b)

Coldness

c)

Temperature

d)

None of these

2.

Which one of the following is a reliable measure of heat?

a)

Hotness

b)

Coldness

c)

Temperature

d)

None of these

3.

Which one of the following is a reliable measure of heat?

a)

Hotness

b)

Coldness

c)

Temperature

d)

None of these

4.

Name the device which is used to measure the hotness or coldness of an object.

a)

Picometer

b)

Barometer

c)

Manometer

d)

Thermometer

5.

If we add a lump of ice to a tumbler containing water, ___________.

a)

heat flows from water to ice

b)

heat flows from ice to water

c)

heat flows from water to ice if water is more in quantity.

d)

heat flows from ice to water if ice is more in quantity.

6.

The temperature at which pure ice melts is ___________.

a)

0°C

b)

100°C

c)

-100°C

d)

98.6°F

7.

A thermometer contains __________.

a)

water

b)

mercury

c)

silver

d)

copper

8.

What is the normal body temperature of a healthy person?

a)

37°C

b)

37°F

c)

37°K

d)

98.4 K

9.

Heat always flows ___________.

a)

from a colder object to a hotter object

b)

from a hotter object to a colder object

c)

in both directions

d)

from a stationary object to a moving object

10.

Paheli and Boojho measured their body temperature. Paheli found hers to be 98.6°F and Boojho recorded 37°C. Which of the following statements is true?

a)

Paheli has a higher body temperature than Boojho.

b)

Paheli has a lower body temperature than Boojho.

c)

Both have normal body temperature.

d)

Both are suffering from fever.

11.

The unit of measurement of temperature is ___________.

a)

metre

b)

kilogram

c)

degree celsius

d)

second

12.

The liquid metal used in a thermometer __________.

a)

is able to expand uniformly for all temperatures

b)

is transparent and easy to see

c)

is opaque and difficult to read

d)

is able to expand uniformly for certain temperatures

13.

The upper standard point on the Fahrenheit scale is ___________.

a)

100 °

b)

120 °

c)

212 °

d)

180 °

14.

One degree Celsius rise in temperature is equal to ___________.

a)

1 degree rise on the Kelvin scale

b)

1 degree rise on the Fahrenheit scale

c)

both (a) and (b)

d)

1 degree fall on the Kelvin scale

15.

The increase in length of a solid when heated is called ___________.

a)

thermal expansion

b)

linear expansion

c)

superficial expansion

d)

cubical expansion

16.

SI Scale of temperature is ___________.

a)

Celsius scale

b)

Kelvin scale

c)

Fahrenheit scale

d)

Reaumur scale

17.

Small gaps are left between railway lines because ___________.

a)

rails of very long dimensions will shatter

b)

expansion of rails occurs during summer

c)

contraction of rails occurs during winter

d)

both (b) and (c)

18.

The increase in area of a solid when heated is called ___________.

a)

thermal expansion

b)

linear expansion

c)

superficial expansion

d)

cubical expansion

19.

A bimetallic strip made from brass and invar bends when heated. When it's bent, the object has ___________.

a)

brass on the outside and invar on the inside

b)

invar on the outside and brass on the inside

c)

brass and invar of the same length

d)

brass on the outside for a while and then invar will take its place

20.

The type of energy which causes in us the sensation of hotness or coldness is called ___________.

a)

chemical energy

b)

magnetic energy

c)

light energy

d)

heat energy

21.

Which of the following expands only in volume when heated?

a)

Solid

b)

Liquid

c)

Gas

d)

Both (b) and (c)

22.

Which will not undergo sublimation?

a)

Ammonium chloride

b)

Camphor

c)

Sodium chloride

d)

Iodine

23.

Name the Main Source of Heat

a)

SUN,ELECTRICITY FIRE

b)

SUN,ELECTRICITY,BULB

c)

LAMP,UNLIGHTED CANDLE,BRICK

d)

ASBESTOS,WOOD,PLASTICS

24.

SUBSTANCES THAT (a)   FIRE ARE KNOWN AS

25.

WHICH OF THE FOLLOWING IS NOT A EFFECT OF HEAT

a)

CHANGE IN TEMPRATURE

b)

CHANGE IN SIZE

c)

CHANGE IN STATE

d)

CHANGE IN COLOUR

26.

SI UNIT OF TEMPRATURE

a)

KELVIN

b)

NEWTON

c)

CELCIUS

d)

FAHERNITE

27.

FUSION IS ALSO KNOWN AS

a)

SOLIDIFICATION

b)

MELTING

c)

BOILING

d)

EVAPORATION

28.

NAME 3 TRANSFER OF HEAT

(a)  

29.

CONDUCTION TAKES PLACE IN (a)  

30.

HANDLES OF COOKING ARE MADE OF (a)   CONDUCTOR OF HEAT

31.

THE TRANSFER OF HEAT FROM HOT BODY TO COLD BODY DIRECTLY WITHOUT HEATING THE SPACE IN BETWEEN IS KNOWN AS

a)

CONDUCTION

b)

CONVECTION

c)

RADIATION

d)

NONE OF THESE

32.

THERMOS FLASK WAS INVENTED BY (a)  

33.

TEMPERATURE IS MEASURED BY A DIVICE CALLED ___________.

a)

THERMOMETRE

b)

THERMOMETER

c)

THRMOMETER

34.

S.I UNIT OF TEMPERATURE IS Fahrenheit

a)

TRUE

b)

FALSE

35.

THE DEGREE OF HOTNESS OR COLDNESS OF A BODY IS CALLED

a)

TEMPERATURE

b)

KELVIN

c)

THERMOMETER

36.

DEGREE CELSIUS IS _______________ UNIT OF TEMPERATURE

a)

KELVIN

b)

C.G.S

c)

S.I

37.

_________________ THERMOMETERS RANGE IS 350C TO 420.

a)

LABORATORY

b)

MAXIMUM AND MINIMUM

c)

CLINICAL

d)

ALL

38.

CLINICAL THERMOMETER IS USED TO MEASURE THE TEMPERATURE OF ______________.

a)

HUMAN BODY

b)

TREES

c)

CHEMICALS

d)

NONE

39.

NORMAL TEMPERATURE OF HUMAN BODY IS ?

a)

370K

b)

370F

c)

370C

40.

LABORATORY THERMOMETER -____________

a)

LABORATORY PURPOSES

b)

FOR HUMAN BODY

41.

LABORATORY THERMOMETER range ?

a)

-1100C TO 100C

b)

- 100C TO 1100C

c)

00C TO 1100C

42.

THE HEAT FLOWS FROM A BODY AT _______ TEMPERATURE TO _________ TEMPERATURE?

a)

HIGHER , LOWER

b)

HIGHER , HIGHER

c)

LOWER , HIGHER

d)

LOWER , LOWER

43.

S.I UNIT of heat IS (a)   .

44.

HEAT IS A ____________ QUANTITY

a)

SCALER

b)

VECTOR

45.

THE MATERIALS THAT ALLOW HEAT TO PASS THROUGH THEM EASILY ARE CALLED ____________.

a)

INSULATORS

b)

CONDUSTORS

46.

(a)   ENERGY IS CALLED AS THERMAL ENERGY

47.

HEAT IS THE FORM OF

a)

FORCE

b)

ENERGY

c)

MATTER

d)

MOTION

48.

HEAT IS TRANSFERRED BY CONDUCTION IN

a)

SOLIDS

b)

LIQUIDS

c)

GASES

d)

ALL OF THEM

49.

TRANSFER OF HEAT DUE TO THE CONVECTION OCCUR IN

a)

SOLIDS

b)

LIQUIDS

c)

GASES

d)

B AND C

50.

HEAT FROM THE SUN REACHES THE EARTH BY

a)

CONVECTION

b)

CONDUCTION

c)

RADITION

51.

________ IS USED AS A THERMOMETER FLUID

a)

HYDROGEN

b)

HELIUM

c)

MERCURY

d)

OXYGEN

52.

CONVECTION IS POSSIBLE IN ________

a)

SOLIDS

b)

LIQUIDS

c)

GASES

d)

LIQUIDS & GASES

53.
what is the meaning of convection?
a)
cold rises heat falls
b)
heat
c)
cold
d)
hot rises cold falls
54.
what is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise 
c)
cold fall
d)
when heat transfers from objects that are touching
55.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
56.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
57.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
58.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
59.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
60.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
61.

Which material will heat travel through the fastest?

a)

Plastic

b)

Wood

c)

Metal

62.

In heat transfer, heat always flows from the _?_ substance to the _?_ substance.

a)

hotter to colder

b)

colder to hotter

c)

hotter to hotter

d)

colder to colder

63.

Name the device used for measuring temperature

a)

Anemometer

b)

Barometer

c)

Thermometer

d)

Ammeter

64.

Unit of measurement of temperature is

a)

Meter

b)

Degree celcius

c)

Kilogram

d)

Second

65.

The normal temperature of human body is

a)

40 °C

b)

37°C

c)

43°C

d)

35°C

66.

The liquid metal used in a thermometer is

a)

Silver

b)

Mercury

c)

Gold

d)

Copper

67.

The transfer of heat which does not require any medium is called

a)

Conduction

b)

Radiation

c)

Convection

d)

Vaporisation

68.

In case of ________the cool air moves from the land toward sea

a)

Land breez

b)

Sea breez

c)

Ice breez

d)

Sand breez

69.

The temperature range of clinical thermometer is from______to ______.

a)

35°C to 42°C

b)

37°C to 45°C

c)

39°C to 42°C

d)

44°C to 52°C

70.

Which of the following is a correct pair of insulators

a)

Wood, plastic

b)

Silver, plastic

c)

Iron, silver

d)

Paper ,. Silver

71.

Temperature of boiling water cannot be measured by a ________thermometer

a)

Clinical thermometer

b)

Laboratory thermometer

c)

Normal thermometer

72.

Dark coloured clothes are prefered during

a)

Night

b)

Day

c)

Winter

d)

Summer

73.

Temperature is measured by device called

(a)  

74.

Air is poor conductor of heat

a)

Yes

b)

No

75.

Is 38 Celsius is normal temperature of human body

a)

True

b)

False

76.

------------ is the mode of heat transfer in liquid and gases

a)

Radiation

b)

Convection

c)

Conduction

77.

Which thermometer is used to measure temperature of object

a)

Digital thermometer

b)

Mercury thermometer

c)

Laboratory thermometer

78.

Where does the initial source of energy come from that creates wind

a)

Sun

b)

Moon

c)

Mars

d)

Mercury

e)

Venus

79.

Fahrenheit scale ranges from

a)

94 degree to 108 degree

b)

94 degree to 106 degree

c)

94 degree to 102 degree

d)

94 degree to 105 degree

e)

92 degree to 108 degree

80.

Which of the following thermometer is to check whether

a)

Temperature thermometer

b)

Maximum - Minimum thermometer

c)

laboratory thermometer

d)

Digital thermometer

e)

Mercury thermometer

81.

What is normal temperature in digital thermometer

a)

98.7 degree

b)

99.9 degree

c)

98.6 degree

d)

100.1 degree

e)

97.6 degree

82.

Which mode of heat transfer is this

a)

Convection

b)

Conduction

c)

Radiation

83.

Water is ---------------- conductor of heat

a)

Bad

b)

Good

c)

Temperature

d)

Radiation

e)

Degree

84.

The reading of the laboratory thermometer , in the figure shown here , is -

a)

19

b)

18

c)

17

d)

19.5

e)

18.5

85.

Insulators of heat is

a)

Rubber

b)

Wood

c)

Plastic

d)

Graphite

e)

Metal

86.

When we hold our hand close to the side of a flame , they get warmed up mainly due to

a)

Conduction as well as convection

b)

Conduction

c)

Convection

d)

Radiation

e)

Heat

87.

If you dropped a hot rock in a bucket of cold water the rock will

a)

Stay the same temperature

b)

become cooler

c)

become hooter

d)

Melt

88.

What is a reliable measure of the hotness of an object _________

a)

Thermometer

b)

Insulator

c)

Convection

d)

Temperature

89.

The normal temperature of the human body is _____

a)

0°c

b)

-110°c

c)

37°c

d)

None of the above.

90.

The process by which heat is transferred from the hotter end to the colder end of an object ( solids )

a)

Convection

b)

Insulator

c)

Transpiration

d)

Conduction

91.

The _________ air from the land moves towards the sea to complete the cycle.

a)

Cold air

b)

Hot air

c)

Warm air

d)

Oxygen

92.

Air prevents __________________ from our body to the ________________________.

a)

animals, birds

b)

the flow of heat, to the cold surroundings

c)

the flow of water, to the land

d)

the flow of blood, to the blood bank

93.

The maximum and minimum temperatures of the previous day, reported in weather reports, are measured by thermometer called the (a)   thermometer.

94.

Convert the given temperature to celsius.

150°F.

Do the calculations in your rough notes there is time ( 60 sec ) provided for this question.

a)

65.5°C

b)

66463657898°C

c)

65.8°C

d)

70°C

95.

Convert the given temperature to Fahrenheit.

32°C.

Do the calculations in your rough notes there is time ( 60 sec ) provided for this question

a)

302 FCFC

b)

65.5 °F

c)

89.6°F

d)

234890663 ° FCFC

96.

(a)   is the best conductor of heat and electricity.

97.

A clinical Thermometer should be _____________ before and after use , preferably with an _________________ solution.

a)

muddy, unsaturated

b)

slimy, lime and water

c)

tasty, noodles and masala

d)

washed, antiseptic

98.

How is the game?

a)

Tricky

b)

Hard

c)

Funny

d)

Boring

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