Thursday, June 6, 2013

Science Definition of Matter

Introduction to science definition of matter:
If we hold a glass sheet in our hand and look at it, the sheet appears to be a continuous one. In case it falls due to accident or by our negligence, what will happen? It will immediately break in to very small or tiny pieces. What does it show? The fine pieces of glass indicate that the sheet is made up of particles. In fact, every matter is made up of certain particles which differ in shape, size and nature from other type of matter.

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Important characteristics of nature of matter


The important characteristics of the particulate nature of matter may be summed up as follows:

Every matter is made up of particles.
The particles constituting a matter are very small in size.
The particles have empty or vacant spaces in them known as inter particle spaces.
Particles are not stationary and are in a state of motion.
Attractive forces are present in the particles of a substance. These are called inter particle forces.
The particle motion increases with the rise in temperature.

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Explanation to science definition of matter

Hence, Anything or everything which occupies space and has mass, is known as matter. According to ancient Greeks and Indian Philosophers, matter is made from five constituents namely air, earth, water, fire and sky. Matter has two ways of classification. These are physical and chemical classification. Matter is made up of particles which are characterized by shape, size and mass. Inter particle spaces are present in all types of matter. Their size and number can vary from one matter to the other. Matter is always seen as an aggregate of small or tiny particles which cannot be seen individually by naked eye.  Particles present in a matter are in a state of motion. It is least in the solid state and maximum in the gaseous state. Inter particle attraction depends on the physical state of the matter. Particle motion generally increases with the rise in temperature. Thus,Matter has many definitions, but the most common is that it is any substance which has mass and occupies space. All physical objects are composed of matter, in the form of atoms, which are in turn composed of protons, neutrons, and electrons.

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