Matter in Our Surroundings
Matter
Matter is anything that has mass and occupies space. Examples of matter are iron, wood, oil, kerosene, petrol, rock, minerals, water, air, coal, etc. Matters are classified on the basis of physical and chemical properties. On the basis of physical properties, matter is classified as solid, liquid and gas. On the basis of chemical properties, matter is classified as elements, compounds and mixtures. Matter is made up of particles.
Characteristics of Particles of Matter
The various characteristics of particles of matter are:
- They are extremely small in size.
- They have spaces between them.
- They are constantly moving.
- They attract each other. The force of attraction between particles of same substance is known as cohesion. Particles of different matter exert different amount of force of attraction.
Classification of Matter on the Basis
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