Energy travels from hot to cold most of the time, but sometimes it goes from cold to hot.
This is the word we use to describe the movement of energy from a hot object to a cold object
This describes all the energy in every particle of a substance. It is a sum/total.
This describes the average amount of energy in a substance.
This temperature scale is the one sciencetists like to use the most, and we have never gotten to "0" on this temperature scale