The states of matter

Matter having 3 states
Matter having 3 states

The states of matter is anything that occupies space or volume and has mass.

A matter is made up of very small particles.

There are three states of matter. They are


2. Liquid

3. Gas

1. Solids

Solid Brick: state of matter

The substances which have fixed shape, size and definite volume are called solids.

Generally, solids are hard and rigid because their molecules are closely packed.

Solids can not flow. They have the least intermolecular space.

Solids can not be compressed.

Marble, coin, glass, pencil, cup, table, chair and book etc are examples of solid.

2. Liquids

Rain Drop of Water: State of matter

The substances which have a definite volume but do not have a definite shape are called liquids.

Liquids take the shape of the container into which they are poured.

Liquids are not rigid.

Liquids can flow from a higher level to lower level.

The molecules of a liquid substance are loosely packed and they possess more intermolecular space.

Liquids can not be compressed.

Milk, water, kerosene, petrol, diesel and oil, etc are examples of liquids.

3. Gases

Gas Filling: Station
Gas Filling: Station

The substances which neither have a fixed shape nor have a fixed volume are called Gases.

Gases occupy the space of the container.

Gases can move easily in all directions because their molecules are loosely packed.

They can be compressed easily.

Oxygen, carbon dioxide, nitrogen and methane, etc are examples of gases.

Physical properties of a matter

The matter has its own physical properties like definite mass, volume, colour, odour and taste.

We are going to study about mass and volume.

a. All matters have a definite mass

The quantity of matter contained in a body is called mass.

Matters are made of many atoms or molecules.

The total sum of the atoms or molecules present in a body is the mass of that body.

The mass differs from matter to matter.

b. The matter has a fixed volume

The total space occupies by an object is called volume.

Also know properties of Water


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