what is matter ?

Hello friends ,

Today's question which i am going to discuss is

WHAT IS MATTER ?

.

What is matter-Anything or any substance which occupies space and has mass and having definite volume is known as matter .the entire world is made up of matter .and matter is also composed of tiny particles called atoms and atoms are composed  of electron ,proton.  ,neutron and many more.atom is the building block of matter .electron ,proton and neutron are the basic constituents of atoms.the smallest possible charge in the universe is the charge on electron.matter are broadly classified into solid ,liquid and gases on the basis of situation observed on the earth.solid have definite shape as well as definite volume.their atoms which is present inside the matter are tightly packed by the force of attraction .solid can conduct electricity or cannot conduct electricity depending on the no. Of free electrons present inside the atom.atom which is very very small enables us for the existence .so we study atom and its constituent particles in details because we are composed of atoms just like the building is composed of blocks.all the three states I.e solid ,liquid and gas are inter convertible into each other depending on the temperature .note that temperature is the important factor which decides state of matter .for example water at 0०C is solid where after 0 degree Celsius it is liquid and after 100 degree Celsius it is a gas which is in the form of vapour.Matter should not be confused with mass, as the two are not quite the same in 

modern Physics For example, mass is a conserved quantity 

which means that its value is unchanging through time, within

 closed systems. However, matter is not conserved in such systems, although this is not obvious in ordinary conditions on Earth, where matter is approximately conserved. Still, special relativity hows that matter may disappear by 

conversion into energy, even inside closed systems, and it 

can also be created from energy, within such systems

. However, because mass (like energy) can neither be

 created nor destroyed, the quantity of mass and the quantity

 of energy remain the same during a transformation of matter 

(which represents a certain amount of energy) into non-

material (i.e., non-matter) energy. This is also true in the reverse transformation of energy into matter.

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