-- PM, Princeton, NJ Heat is thermal energy that's flowing from one object to another because of a temperature difference between those two objects.
(PM; is; thermal energy that's flowing from one object to another; because of a temperature difference between those two objects) (thermal energy; 's flowing; from one object)
PM thermal energy
is 's flowing
thermal energy that's flowing from one object to another because of a temperature difference between those two objects
from one object