The main difference between heat and temperature is that temperature is solely dependent on the

Temperature is a measure of the motion of molecules. Temperature is dependent on the motion of molecules in a substance. Heat is a form of energy that is caused by the internal motion of molecules of matter.
Heated molecules will move faster than cooler molecules. This means that molecules that are fast moving have a higher temperature than substances whose molecules are moving slowly.

Abay where the river empties into the sea