Name the device which is used to measure the hotness or coldness of an object. - Thermometer
Which one is filled in the bulb of a thermometer? - Mercury
What is the normal temperature of a healthy person? - 37°C
Heat always flows - from a hotter object to a colder object
A marble tile would feel cold as compared to a wooden tile on a winter morning, because the marble tile: - is a better conductor of heat than the wooden tile
Conduction is the method of transfer of heat in - solids
Which of the following is a good conductor of heat? - All of these
What is the range of the temperature reading of a clinical thermometer? - 35°C – 42°C
What is the range of the temperature reading of a laboratory thermometer? - -10°C – 110°C
The process of transferring of heat without any contact between the source of heat and the heated object is called - radiation
The materials which allow the heat to pass through them easily are called - conductors
Which of the following is an insulator? - wood
The air flow from the sea to land is called - sea breeze
Which colour absorbs more heat? - black
What is the SI unit of temperature? - Kelvin
Liquids and gases transfer the heat by - convection
Heat in liquid travels from the: - bottom to top
During the night - Land cools more quickly than the sea
Which of the following thermometers has a kink? - Clinical thermometer
In coastal areas, cold air flows in the day from sea to land. It is called ………………. - Sea breeze