Student WS - Density Laboratory Gizmo 11:27 AM Ch 5 Page 1 An object floats when the weight of the liquid it displaces is equal to the weight of the object. Object sink when they are heavier than the equivalent volume of liquid. In other words, objects sink when they are denser than liquid. Ch 5 Page 2 Ch 5 Page 3 Mass need volume to determine an object will float or sink. Volume need volume to determine an object float or sink. Volume is greater than mass Mass will be greater than volume. Ch 5 Page 4 Ch 5 Page 5 will be in less in a crown added bronze or coppers. Crown B sink the fastest. Ch 5 Page 6