Question

Temperature is used to measure the movement of particles such as atoms and molecules. As temperature increases, what is true of the particles in a substance?

Answer 1

This is thermodynamics. When you increase the temperature of an object, the particles gain on kinethic energy ergo the move faster. When you decrease it, they slow down.

Answer 2

Explanation:

When there is increase in temperature then vibration between the atoms or molecules increases.  

This leads to decrease in force of attraction between the molecules. As a result, there will be increase in motion of molecules.

Thus, we can conclude that as temperature increases kinetic energy of molecules increases which leads to greater movement of particles.