How can I remember the difference between convection and conduction easily?

While conduction is the transfer of heat energy by direct contact, convection is the movement of heat by actual motion of matter; radiation is the transfer of energy with the help of electromagnetic wave. Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas.e

Explanation:

power out to power in less than 100%

nah.   i'm just sleepy.