it is a solid
The matter that can change shape and volume is gas.
A solid has a definite shape and volume.
gas
gas
A Solid because it has the same volume and shape unless you change its state of matter, it wont have the same volume or shape.
Gush shins
liquid
A liquid.
The matter with a shape and volume that don't change is in a solid state. Solids have a fixed shape and volume because their particles are closely packed together and vibrate in place.
Solid.
Physical Change
Liquids. By assuming that temperature and pressure are constant so that volume does not change.