Relationship between Temperature and Heat (Differences of Temperature …
Relationship between Temperature and Heat
Heat is a form of energy. It flows from a hotter regoin to a colder region.
Temperature is a measure of the degree of hotness or coldness of an object, temperature is measured by using a thermometer.
Differences of Temperature
Measured in degree Celcius ( ℃) or Kelvin (K)
Temperature depends on the degree of movement of the particles in a matter.
The degree of hotness or coldness of a object
Differences of Heat
The amount of heat depends on the type of material, quantity of material and temperature.
Measured in joule (J)
A form of energy
Heat Flow and Thermal Equilibrium
from a hot object to a cold object.
happens in three ways, conduction, convection and radiation.
process of heat transfer from hoter regions to colder regions through a solid medium.
The particles that receives heat energy will vibrate ad collide with one another more frequently and transfer the heat to the whole medium.
Heat can propagate through an empty space or vacuum.
The types of surface, temperature and total surface area of an object will influence the rate of heat flow.
The process of precessing heat without any medium.
Heat is transferred by the movement of fluid (liquid and gas) from the hotter regions to colder regions.
The part of the fluid that receives heat will expand, become less dense and rise.
The colder and more dense fluid move downwards
The circulating stream that rises and falls continuosly is known as convection current.
Two object which are in thermal contact can exchange heat energy between them.
when there is no net transfer of heat energy between the objects, the objects are said to be thermal equilibrium