Compléter Flotation. Fill in.Version en ligne Flotation. Fill in. par Miguel Angel Preciado Lopez 1 density float downward sink greater lower upward a . Buoyancy is an force which pushes the object towards the surface of liquid . b . Gravity is a force which pushes down on an object . c . If an object has greater density than the liquid it is in , it will . d . If an object is less dense that the liquid it is in , it will . e . For an object to float , its density must be than the density of the liquid it is in . f . Cork , with a lower than water , will float . g . Steel , with a density eight time than the density of water , will sink .