Edited sentence: As the water pushes up, it converts the sand into a suspension, a process known as liquefaction, and slightly raises the sand particles on the surface.As the wave recedes, the pressure on the water beneath the sand decreases, allowing the water to flow through the sand back to the surface.When a wave passes over a sediment, the weight of the water forces some water below the sand.Within creation science, the term wave loading is also used to describe the liquefaction which occurs during the passage of a wave over sediments, or the temporary conversion of the sediment into a suspension