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We know that woollen clothes are made from ________ fibres.
The cotton clothes are made from _______ fibres.
The measure of the hotness of any object is called _______.
Which among these is used to measure the temperature?
Which thermometer is used to measure body temperature?
The measurement scale used in a thermometer is known as _____ scale.
The celsius scale is indicated by _______.
Which among these substances are present inside the bulb of a thermometer?
Before using a thermometer the mercury level should be below _____ °c.
We should use a thermometer after washing it with an ______ solution.
The normal temperature of the human body is ______ °c.
The range of a clinical thermometer is from ____ °c to _____ °c.
Which thermometer is used to measure the temperature of objects except for the human bodies?
The range of a laboratory thermometer is from _____ °c to _____ °c.
While measuring, the laboratory thermometer should always be kept ______.
How many methods are there for heat transfer?
The process by which heat is transferred from the hotter end to the colder end of an object is called ______.
In solids, heat is transferred through the process of ______.
The materials which allow heat to pass through them easily are called ______.
The materials which do not allow heat to pass through them easily are known as ______.
Which among these is a good conductor of heat?
Which among these is an insulator?
The mode of heat transfer liquids and gases is called ______.
What do we call the air flowing from the sea towards the land in coastal areas?
The wind flowing from the land towards the sea at night is known as ______.
The process of heat transfer without any medium is called _____.
The hotness of an object is determined by its ______.
The land breeze blows during _____ time.
The sea breeze blows during the _____ time.
Who devised the Celsius scale?
Anders Celsius was a ______ astronomer.
The celsius scale was devised in the year ______.