Describe how thermal energy and temperature are sim-
ilar. how are they different?

Kinetic energy is the main cause on which both temperature and thermal energy are dependent.  

Explanation:

Both the temperature and the thermal energy are physical quantities. Both temperature and thermal energy are having thermodynamic state function. Both of them are measurable in nature that is quantitative . Both of them do not have any direction that is they are scalar quantities.

Temperature is not dependent on the quantity of a substance but in case of thermal energy it is dependent on the quantity of a substance. Temperature is based on the average kinetic energy of given particles but in case of thermal energy it is based on the total kinetic energy of given particles.

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