Are all physical properties constants?

Which option provides a correct answer and example for the question?

Physical properties are not always constants. For example, the density of two different sizes of the same metal would not be the same.

Physical properties are always constants. For example, all physical properties remain the same regardless of state of matter.

Physical properties are not always constants. For example, the melting point of two different sizes of the same metal would not be the same.

Physical properties are not always constants. For example, the mass of two different sizes of the same metal would not have the same mass.