A block of balsa wood is floating in water. (Balsa wood has a very small density.) A stone is tied to the top of the block. The weight of the stone is chosen so that exactly half the wooden block is below the surface of the water. When the block is turned over so that the stone is underneath and submerged, will the amount of the wooden block below the surface of the water be ________.
1) less than half
2) still equal to half
3) more than half