Question

rubber band and changes its shape it is solid

Answer 1

Rigidity is the resistance offered by a “solid” to any external force trying to change it's shape. A rubber band is very less rigid but since it doesn't 'flow away' it is a solid and not a liquid. ... Steel changes its shape when stretched too. So does anything that can be stretched.

Answer 2

it changes its shape when stretched but comes to it original shape one released..
Moreover the volume of rubber remains the same ..
so it is solid in state