Question

A substances particles are in constant,random motion. the energy of this motion is.

Answer 1

Answer: kinetic energy and is present in all states of matter.

Explanation: Study island

Answer 2

This energy would be connected to the movement of the particles (not any other of their characteristics). We call this energy "kinetic" energy; generally the word "kinetic" means movement .

If you want to differentiate it from the energy coming from the movement of objects, you can say: molecular kinetic energy