Density: A Fundamental Property
* Density is a fundamental property of a substance, meaning it's inherent to that substance and doesn't change just because you change its amount or shape.
* Density is defined as mass per unit volume:
* Density = Mass / Volume
Changing the Amount
* Adding more of the substance: If you add more of the same substance, you increase both the mass and the volume proportionally. Since density is mass divided by volume, the density remains the same.
* Removing some of the substance: If you remove some of the substance, you decrease both the mass and the volume proportionally. Again, the density remains the same.
Changing the Shape
* Changing the shape does not affect density. Think of a lump of clay. You can mold it into a ball, a cube, or a long cylinder, but its density (the amount of clay packed into a given space) stays the same.
In Summary
The density of a substance remains constant regardless of changes in its amount or shape. To change the density of a substance, you would need to change its composition (what the substance is made of).