Pieces, possibly shards, possibly fragments.
waste
When something is broken the object itself obviously changes, but what it is made of remains the same.
-Organic remains and Inorganic remains
Ruins
Something Beautiful Remains was created in 1996.
Rubble is the remains of something that has been destroyed or broken up. This word is never inflected for plural. It's customary to indicate its plural form with the measure word "piles of," as in "piles of rubble." (Grammarians call words that are invariably singular in form "singulare tantum")
There is something called a decomposer. It breaks down the remains or wastes of something.
Something that can be broken that begins with K:keykeyboardkitekneeknifeknuckles
The term outlaws has a couple of meanings. As a noun it refers to someone who has broken the law and remains at large as a fugitive. As a verb it means to ban, or make something illegal.
If something happens to the umbrella that you have outside, you can call and get a replacement. The company that you bought the umbrella from should have the information you need to call the brand and get a replacement sent to your home. Sometimes you can get parts at stores to fix the umbrella if it is something small that has broken.
No, it is a physical change as the identity of the substance remains the same. Broken glass is still glass.
The Antarctic Treaty has not been broken, it may have been violated, but it remains in full force and effect.