Volume is the amount of space occupied by an object; it's an object's size, and it's measured in three dimensions: the x, the y, and the z.
Eureka! Volume and Density
The volume of an object can be measured with a graduated cylinder.
Mass is a measure of matter. Everything has mass; all solids, liquids and gases have mass because they are made up of molecules.
We measure the mass of an object with a triple beam balance.
2. Mass Video
Where's the buoyant part?
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