WorksheetsHeat flow and Temperature
Total questions: 20
Worksheet time: 15mins
Which of the following is good conductor of heat.
Air
Glass
Plastic
Gold
Heat transfers from hotter parts of a substance to its colder part by the actual movement of the hot paticles is called..?
conduction
radiation
convection
none of these
Tge SI unit of specific heat capacity is .....
kj/kg
J/kgK
J/g
cal/g
Which of the following flows from a body at higher temperature to a body t lower temperature.
Current
Heat
Light
Energy
Which of the following is an insulator of heat.
Rubber
Brass
Iron
Copper
Land and sea breezes occur due to ....
conduction
convection
radiation
none of these
Which of the following does not require a medium.
Radiation
Convection
Conduction
None of these
The specific heat capacity of water is ....
4184 J/kg⁰c
5184 J/kg⁰c
2192 J/kg⁰c
none of these
The teperature at which a substance changes its state from solid to liquid is known as its ...
freezing point
melting point
boiling poin
none of these
Melting point of iron is...
327⁰c
1535⁰c
114⁰c
1063⁰c
Heat is a form of (a) which causes hotness in a body.
The unit of heat capacity is (a) /⁰c
I calorie = (a) joules.
(a) is an opaque and shining liquid.
Melting point of ice is (a) ⁰c
The most commonly used liquid in thermometers is (a)
The heat radiated by sun is called (a)
Water freezes at (a) ⁰c.
Automatic fire alarm is based on a (a) strip.
When heat energy is supplied to a substance , its dimensions (a) .
