Buoyancy refers to the upward force exerted on an object submerged or floating in a fluid (liquid or gas). It depends on the density of the fluid and the volume of the object.
States that an object immersed in a fluid experiences an upward buoyant force equal to the weight of the displaced fluid.
The mass per unit volume of a substance.
Fluids: Substances that can flow and take on any shape, such as liquids and gases.