Energy Transfer

Energy Transfer- is any process in which a system interacts with its surroundings in a way that the energy of the system increases or decreases while the surroundings decreases or increases by the same amount.

Convection- is transport of heat and moisture by the movement of a fluid.

Ex. Heat coming from a heater.

Conduction- is the transfer of heat energy through a substance or from one substance to another by direct contact of atoms or molecules.

Ex. A game of pool where on moving ball strikes another causing the second one to move.

Radiation- is when heat transfers from one point to another.

Ex. When you feel heat from the sun light, irons, and toasters.