The "amount of matter" sounds like a description of the property called "mass". It might also refer to the amount of moles.
The amount of space that matter occupies is its volume.
The amount of space that matter in an object occupies is its volume.
Volume is a measure of how much space a sample of matter occupies. the SI unit of volume is m3 .
The amount of space that matter occupies is its volume.
The amount of space that matter in an object occupies is its volume.
The amount of space that matter in an object occupies is known as its volume. This volume is a measure of how much physical space an object takes up and is typically measured in cubic units such as cubic centimeters or cubic meters.
Matter has mass. Matter occupies space.
volume
VOLUME!
VOLUME!
mass
Matter does.