## Physics - Density and Pressure

### Gap-Filling Quiz

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body      density      directions      Flotation      force      kilogram      mass      pascal      pressure      temperature      upthrust      weight
The density of a substance is its per unit volume. The unit of density is the per metre cubed.
Pressure is per unit area. The unit of pressure is the (1 pascal = 1 N/m2).
Pressure in a liquid depends on and depth. At a given depth, pressure acts equally in all .
Archimedes' Principle states that when a is partly or wholly immersed in a fluid, it experiences an equal to the weight of the fluid displaced. The Law of states that a floating body displaces its own of fluid.
Boyle's Law states that at a constant , the volume of a fixed mass of gas is inversely proportional to its .