Question

Which statements apply to density? Check all that apply.

Answer 1

The density of an object is constant.  

Density is a derived unit of measure

The density of an object determines whether it will sink or float.

Answer 2

The only statement on the options that says true about density is:
> The density of an object determines whether it will sink or float.

Why?
Density is a physical property of an object.
Density is not derived as a unit of measure. It is derived from 2 fundamental units: kg and m.
The Density of an object is not constant.
Density is calculated by dividing the mass by the volume of an object.