Solid :

Solids have a definite volume.

Solids do not tend to flow.

Solids are rigid.

Generally solids have a definite shape with very few exceptions like sponge, rubber band etc.

Solids are generally incompressible with very few exceptions like sponge, rubber band etc.

Liquid :

Liquids also have a definite volume.

Liquids tend to flow.

Liquids are not rigid.

Liquids do not have a definite shape. They take the shape of the container.

Liquids are almost incompressible.

Gases :

Gases do not have a definite volume. Their volume varies with the container in which they are stored or kept.

Gases also tend to flow.

Gases are not rigid.

Gases do not have a definite shape.

Gases are compressible.