Physical changes can be observed in various forms.

I need to schedule my oil changes for next week.

There were multiple changes of innings during the cricket match.

The changes of tack in the company's strategy have led to increased profits.

Chemical changes occur when substances undergo a transformation in their chemical composition.

The cool changes in the weather are refreshing.

There have been many changes of mind regarding the new project.

The balls changes color.

He changes the game with his innovative ideas.

He often chops and changes his hairstyle.