20 Subject Examples

The word "matter”Has more than one meaning. Its most classic and ancient value refers to everything that has mass and occupies a place in space, that is, to the primary reality from which the things that surround us in the physical world are made, and, for the most part, perceptible by the senses or by some measuring instrument. For example: nylon, rubber, salt, air.

However, it should be borne in mind that "matter" is also called anything that opposes the concept of "spirit”. Likewise, this word is synonymous with "question", "reason" or "matter", that is, the point that something is about.

And in a last sense, this word is equivalent to “course”, That is, to the formal course in an academic context.

Characteristics of physical matter

Physical matter is made up of elementary particles called atoms. In addition, matter has properties, which can be general or specific.

The chemistry it is the scientific discipline that studies the nature, composition and transformation of matter. Under non-extreme temperature conditions, matter can present itself in three different physical states: solid, liquid, and gas.

In general terms, matter obeys the Lavoisier's law o Law of the Conservation of Matter, which stipulates that “in an isolated system in which chemical reactions, matter is neither created nor destroyed, it only transforms; that is to say, the mass of the reactants is equal to the mass of the products formed ”. Today it is known that this law is not entirely accurate.

Most of the matter around us is inanimate or inert, because it does not reproduce or grow. But also everything that is alive constitutes matter, composed of atoms Y molecules.

Examples of matter