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WorksheetsHeat
Total questions: 40
Worksheet time: 31mins
Heat is a form of
Temperature
Energy
Thermometer
Hotness
The degree of hotness is
Temperature
Pressure
Force
None of these
Clinical thermometer has a temperature range of
35oC to 42oC
100oC to 200oC
-10oC to 110oC
37oC
A kink in the thermometer
prevents flow of mercury back to the bulb
is there for design
Helps in taking reading properly
The liquids that are generally used in thermometer is
Red Alcohol
Mercury
Hydrochloric acid
Orange Juice
Which thermometer has a kink?
Laboratory thermometer
Clinical thermometer
The average temperature of a human body is
37oC
100oC
42oC
35oC
Heat flows from
Hot body to Cold body
Cold body to Hot Body
Heat does not flow
The three types of heat transfer are
Conduction
Convection
Irrigation
Radiation
The type of heat transfer taking place in solids is
Conduction
Convection
Radiation
For conduction the two bodies
Must be in contact
Must be away
Must be gases
Insulators are materials that
do not allow heat to pass through them
allow heat to pass through them
Select Good conductors of heat among these
Copper
Steel
Rubber
Wood
Iron
Choose Insulators of heat among the following
Aluminum
Plastic
Cloth
Silver
Rubber
In liquids heat transfer takes place by the process of
Conduction
Convection
Radiation
Irrigation
In gases heat transfer takes place by the process of
Conduction
Convection
Radiation
Irrigation
In convection the molecules
Vibrate in their own position
Move from one place to the other
No molecules are required
Hot air
rises upwards
moves downwards
moves sideways
Land Breeze blows during
Day time
Night
Noon
Radiation is a type of heat transfer that ................ any medium
requires
does not require
both
Heat transfer in iron box is by
conduction
convection
radiation
electricity
In hair dryer, the heat transfer is due to
conduction
convection
radiation
We receive sunlight from sun by the process of
Conduction
convection
radiation
......... coloured clothes absorb more heat
light
dark
The spoon half dipped in a tea cup gets heated completely because of
conduction
radiation
convection
We feel warm if we stand next to the fire because of
conduction
convection
radiation
Heat transfer in Air Conditioning is due to
conduction
convection
radiation
Cooling inside a refrigerator takes place by
conduction
convection
radiation
Cell phone gets heated up after using for long time because of
conduction
convection
radiation
Cold water molecules
move downwards
rise upwards
move sideways
Ceramic or China dish is
a conductor
an insulator
If two bodies at equal temperatures are brought in contact the heat transfer is
conduction
radiation
no heat transfer takes place
convection
If heat flows from body B to body A, which body is at lower temperature
body A
body B
Both are at equal temperature
none of these
The liquid used in thermometer should be
transparent
opaque
The substance used in thermometer should have
low melting point
high melting point
none of these
The range of laboratory thermometer is
-10oC to 110oC
0oC to 100oC
-100oC to 100oC
35oC to 42oC
When we sit on the desk for a long time, it becomes warm because of
convection
radiation
cloth
conduction
heating in microwave is due to
conduction
radiation
convection
Water boils because of the heat transfer through
Conduction
Convection
Radiation
When someone has a fever we feel warm when we touch them. This heat transfer is due to
Conduction
Convection
Radiation
Temperature
