You can figure it out because a solid is the state
of matter that has a definite shape and takes
up a definite amount of space.
A Solid could be a block table desk anything that you cant put your hand threw.....
steel is the example of solid in solid
An example of a solid, is a rock.
An example of a solid and gas solution: hydrogen dissolved in palladium.
Yes a mountain is an example of a solid.
Any alloy - for example: solder.
rock
Glass is an example of an amorphous solid material
An example of a solid to a liquid is ice melting into water.
An non-example of a crystalline solid would be the complete opposite of it, an amorhous solid.
salts
chair
This is an odd example. Anything that is NOT solid earth is a non-example. So, a bird is not solid earth.