A leftover piece of material is commonly referred to as a scrap.
A material scrap is typically referred to as a waste material, leftover material, or remnant.
Residue or remnants.
A small piece or part of something like a piece of glass is called a shard.
PANEL
The density of the small piece of matter and the large piece of matter is the same because density is a characteristic property of a material and is independent of the amount or size of the material. Density is calculated by dividing the mass of an object by its volume, so as long as the material is the same, the density will remain constant.
Leftover material is called scrap.
A material scrap is typically referred to as a waste material, leftover material, or remnant.
If a large piece of material (an asteroid, comet or planetary fragment or leftover) is trapped in orbit, it becomes a moon.
Small leftover pieces of cigarette are called cigarette butts.
Leftover material can be referred to as scraps, remnants, or remnants.
offcuts
It is called the Bayeux Tapestry.
Scrap
Waste
A material covering a hole is called a patch. It can be used to repair damage or prevent something from escaping.
Residue or remnants.
extra, waste, scrap