"Solid" is just a technical term from atoms being sufficiently close packed that they're overall structure is maintained.
Liquid
solid
A solid.
A pencil is a solid object.
a feather is a solid
Pebbles are solid.
steel is the example of solid in solid
Solid
What is the state at room temperature for Niobium?It's a solid!
Bricks are gaseous.
It is a solid. :)
solid particols