What is thermal energy?
Thermal energy is a form of energy that is transmitted as heat.
What is the difference between temeperature and heat?
Temperature is the amount of thermal energy in an object adn heat is the transfer of thermal energy.
What is heat?
Heat is the transfer of thermal energy.
What is temperature?
Temperature is the amount of thermal energy in an object.
Conduction ocurrs when...
the heat is transferred when two objects are in contact.
Convections ocurrs when...
heats travel through a gas or through a liquid (motion of molecules from the bottom to the top)
Radiation ocurrs when
heat is transferred through empty space by electromagnetics waves.
Heat can cuases changes such as:
changes in state, expansion and chemical changes.
What happens when a gas cools down?
It changes into a liquid. (Condensation)
What happens when a liquid is heated?
It changes into a gas.(Evaporation)
What happens when a solid is heated?
It changes into a liquid. (Melting)
The process when a liquid is heated and it changes into a gas is called
Evaporation
The process when a liquid cools down and it changes into a solid is called
Solidification
The process when a gas cools down and it changes into a liquid is called
Condensation
The process when a solid is heated and it changes into a liquid is called
Melting
