Transfer of Heat
The process by which heat is transferred in liquid and gases
What is Convection?
The degree of hotness or coldness of an object
What is temperature?
Materials which do not allow heat to pass through them
What are insulators?
The process of heat flow from hot body to cold body by means of heat rays
What is Radiation?
The most common unit for measuring temperature
What is degree celsius?
Materials which allow heat to pass through them easily
What are conductors?
The process by which heat is transferred from hotter end to colder end without the actual movement of object
What is Conduction?
The thermometer used to measure the temperature of human body
What is clinical thermometer?
Temperature of boiling water cannot be measured by
Clinical thermometer
Woollen garments protect us from cold weather?
How does insulation and air entrapment work in keeping us warm?
What is the smallest reading for laboratory thermometers?
1 degree celsius
The process by which heat is transferred when a cold steel spoon is dipped in a cup of hot milk
Conduction
In coastal areas, cold air flows in the day from the sea to land
What is sea breeze?
This helps to prevent back flow of mercury in thin glass tube of clinical thermometer
What is a Kink?
Tea is served in china cup and plates because
It is a bad conductor of heat