Heat Flashcards
What is Conduction?
The process of heat transfer through direct contact between particles of a substance. e.g touching a hot frying pan
How does conduction occur within a material?
Rapidly moving particles collide with adjacent particles, transferring a portion of their kinetic and thermal energy, until a point of thermal equilibrium is reached.
What is Convection?
The process of heat transfer through the movement of fluids (liquids or gases).
How does convection occur in a fluid?
Heated fluid becomes less dense, rises, and carries heat, while cooler fluid becomes denser, sinks, forming a cyclical motion, completing the convection cycle. (also known as convection current)
What is specific heat capacity?
The amount of heat energy required to raise the temperature of a unit mass of a substance by one degree Celsius.
How is specific heat capacity measured?
It is measured in units of joules per gram per degree Celsius (J/g°C).
