A small piece of soot is called a "smut."
Small matter, this can be answered depending on how you look at it, originally atoms were named because they were believed to be the smallest particle of matter and cannot be split anymore but scientists now know that subatomic particles exist such as quarks. They and others are building blocks of matter. http://www.nyu.edu/pages/mathmol/textbook/atoms.html A particle is a very small piece of matter. Particles are part of atoms. Atoms are the smallest unit of all substances.
It's called "calving"
A small piece of rock beginning with "so" could be "soil", which is a mixture of minerals, organic matter, water, and air that supports plant growth.
The small piece of aluminum will have greater density than the large piece of aluminum. Density is mass divided by volume, so for the same material, a smaller piece will have more mass per unit volume compared to a larger piece.
A small piece of soot is called a "smut."
atom
A small piece or part of something like a piece of glass is called a shard.
A small piece of cloth is usually called a patch. A small piece of cloth could also be called a rag or a washcloth.
Small matter, this can be answered depending on how you look at it, originally atoms were named because they were believed to be the smallest particle of matter and cannot be split anymore but scientists now know that subatomic particles exist such as quarks. They and others are building blocks of matter. http://www.nyu.edu/pages/mathmol/textbook/atoms.html A particle is a very small piece of matter. Particles are part of atoms. Atoms are the smallest unit of all substances.
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.
A small piece of cloth is usually called a patch. A small piece of cloth could also be called a rag or a washcloth.
Sinfonietta
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The small piece of cartilage at the base of the sternum is called the xiphoid process
A small piece of land in the sea is called an island.
A small piece or part of something is called a portion of whatever the thing is.