How is temperature related to physical change of a substance?

without temperature changes there wouldn't be any physical changes and vice versa

A physical change in a substance doesn't change what the substance is. It can possibly melt or freeze an object. I mean heat makes things expand while cooling makes them retract In chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

Explanation:

This is NOT what I wrote  austinmfn100 wrote this so give credit to that person not me was just wanting to help you guys.

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

the answer is 303.15 or 303