A common experiment in chemistry classes is comparing the mass and volume of different objects. The question that needs to be answered is, "How are mass and volume related?" Below are several student hypotheses about mass and volume. Based on what you know about hypotheses, select the BEST hypothesis statement.

Comparing mass and volume results in density.
, Not Selected

The volume of a substance will change disproportionally to its mass.
, Not Selected

Mass and volume are not related because I take up less space than a room full of air, yet I weigh more than the air in the room.
, Not Selected
Incorrect

As mass and volume change, so will density.