Why, the water above it was heavy, and pressed down upon it, and crowded it out through the hole.Then it seems to me, after all, said Rollo, accent chair lamp that it is the heat which makes it rise.If you have a tumbler half full of water, and press a ball down into it, you could not crowd the water into any smaller space than it occupied at first but, as fast as the ball went down, the water would come up around the sides of the ball.It is accent chair lamp the heat.Would a little down do? said Rollo's mother.Well, replied Jonas, you were accent chair lamp both wrong.For it is a force tending to expand the air, that is, to swell it out into its original dimensions.Is water compressible? Is air compressible? What is the shape of a cylinder? What is a piston? How accent chair lamp might air be compressed by means of a cylinder and piston? What was the general principle which Rollo's father stated, in conclusion? CHAPTER VI.Yes, said his father.Mrs accent chair lamp.Nathan's father and mother laughed on hearing this, though Nathan did not know what they were laughing at.