conduction convection radiation
the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
The example shows that the handle is getting hot from the heat traveling up the bucket to the handle
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
The example shows that the fire is heating up the water
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
The example shows that the fire is causing radiation into the air
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