Last updated on August 30th, 2023 at 12:59 am
Class 7 Science Chapter 4 Heat Extra Questions
Class 7 Science Chapter 4 Heat Extra Questions | Class 7 Science Extra Question Answer | for all the students of CBSE / ICSE /State Board…
Define The Following Terms:-
Temperature:-
A reliable measure of the hotness of an object is its temperature. Temperature is measured by a device called a thermometer.
Clinical Thermometer:-
A clinical thermometer consists of a long, narrow, uniform glass tube. It has a bulb at one end. This bulb contains mercury. Outside the bulb, a small shining thread of mercury can be seen. A clinical thermometer reads temperatures from 35°C to 42°C. The thermometer that measures our body temperature is called a clinical thermometer.
Conduction:-
The process by which heat is transferred from the hotter end to the colder end of an object is known as conduction.
What are the 3 ways in which heat is transferred?
Heat can be transferred from a hot object to a cold object in three different ways :
