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heat

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.
what is the meaning of convection?
a)
cold rises heat falls
b)
heat
c)
cold
d)
hot rises cold falls
2.
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
3.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
4.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
5.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
6.
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
7.
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.
8.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
9.

Which material will heat travel through the fastest?

a)

Plastic

b)

Wood

c)

Metal

10.

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

11.

Name the device used for measuring temperature

a)

Anemometer

b)

Barometer

c)

Thermometer

d)

Ammeter

12.

Unit of measurement of temperature is

a)

Meter

b)

Degree celcius

c)

Kilogram

d)

Second

13.

The normal temperature of human body is

a)

40 °C

b)

37°C

c)

43°C

d)

35°C

14.

The liquid metal used in a thermometer is

a)

Silver

b)

Mercury

c)

Gold

d)

Copper

15.

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

a)

Conduction

b)

Radiation

c)

Convection

d)

Vaporisation

16.

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

a)

Land breez

b)

Sea breez

c)

Ice breez

d)

Sand breez

17.

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

18.

Which of the following is a correct pair of insulators

a)

Wood, plastic

b)

Silver, plastic

c)

Iron, silver

d)

Paper ,. Silver

19.

Temperature of boiling water cannot be measured by a ________thermometer

a)

Clinical thermometer

b)

Laboratory thermometer

c)

Normal thermometer

20.

Dark coloured clothes are prefered during

a)

Night

b)

Day

c)

Winter

d)

Summer

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