CBSE Class 7 Science Heat MCQs

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HEAT 

1.   Name the device used for measuring Temperature.  ( )

a.  Thermometer  b.   Ammeter c.  Anemometer  d.  Ammeter

2.  The unit of measurement of Temperature is ( )

a.  Meter  b.  Kilogram  c.  Degree Celsius  d.   Second

3.   The normal temperature of Human body is ( ) 

a.  40 ˚C  b.  37 ˚C c.  42 ˚C  d.   35 ˚

4.  The maximum and minimum temperatures of a day are measured with a ( )

a.  Celsius Thermometer  b.   Fahrenheit Thermometer

c.  Maximum-minimum thermometer d.   kelvin Thermometer

5.   The liquid metal used in a Thermometer is ( )

a.  Mercury b.  Silver c.  Gold  d.  Copper 

6.  What is the use of kink in a Thermometer? ( )

a.  It prevents mercury level from falling on its own

b.  It raises the mercury level

c.  It makes the Thermometer look beautiful

d.   It acts as a joint to the glass tube that is used for mercury and the scale

7.  The process by which heat flows from the hotter end to colder end of an object is called (  ) 

a.  Conduction  b.  Convection c.  Radiation d.  Vaporisation

8.  The process by which transfer of heat takes place by the actual movement of particles from one part of the body to another part is called ( )

a.  Conduction  b.  Convection c.  Radiation  d.   vaporization 

9.  The transfer of heat which does not require any medium is called ( )

a.  Conduction  b.   Convection  c.   Radiation  d.  Vaporization

10. The process by which heat comes from sun to the earth is ( ) 

a.  Conduction  b.   Convection  c.   Radiation  d.   Vaporization

11.  In case of____________ the cool air moves from the land towards the sea  ( )

a.  Land breeze    b.  sea breeze  c.  Ice breeze    d.  sand breeze