Free Printable heat and its transfer

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heat and its transfer

Total questions: 21

Worksheet time: 11mins

Name

Class

Date

What helps in increasing the temperature of the body

Heat

Sun

Temperature

Cold water

What is the is the insulating material in a pressure cooker?

Metal

Bakelite

What currents help to keep the Earth warm?

Artificial Convection currents

Land breeze

Natural Convection currents

Sea breeze

Identify this picture

Land breeze

Sea breeze

Heat transferred through radiation is called as

Radiant heat

U.V Rays

Light

Radient heats

If my temperature is 36⁰C, what is it in fahrenheight?

76.8⁰F

96.8⁰F

96.0⁰F

102.6⁰F

What reduces flow of heat in a thermosflask?

Glass

Vacuum

Silvered surfaces

Metal

What is the mouth of the thermosflask made up of?

Cork

Iron

Plastic

Copper

What is the range of a clinical thermometer?

(a)

10.

What is the boiling point of mercury?

356.73⁰C

38.87⁰C

-356.73⁰C

11.

What is the upper fixed point in a laboratory thermometer?

0⁰C

101⁰C

100⁰C

-100⁰C

12.

What kind of heat transfer happens when the sun is heating your body?

Conduction

Radiation

Convection

Density

13.

What heat transfer happens when you burn your hand by touching a fire?

Radiation

Conduction

Convectio

I don't know!!!!!!!!!!!

14.

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

conduction

convection

radiation

Insolation

15.

What is the boiling point of ethanol?

780C

920C

390C

16.

Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit because the volume of warm air __________ and __________ warming the whole house through __________.

expands, rises, convection

expands, sinks, conduction

contracts, rises, conversion

contracts, sinks, contraption

17.

Molecules in cold things move more _________
than in hot things.

quickly

slowly

happily

merrily

18.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

Hotter to colder

Colder to hotter

Hotter to hotter

Colder to colder

19.

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

Convection

Conduction

Radiation

insulation.

20.

Which statement is true?

The quicker a molecule moves, the colder it is.

The slower a molecule moves, the warmer it is.

The quicker a molecule moves, the warmer it is

The movement on molecule don�t affect its temperature

21.

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heat and its transfer

Total questions: 21

Worksheet time: 11mins

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