Floating is when something stays on top of the surface of the water, like a boat. Sinking is when something drops beneath the surface of the water and falls to the bottom, like a stone.

Premature finishing occurs when the second floating starts too soon. Premature finishing typically involves finishing or mixing bleed water into the top surface of the concrete or prematurely ...

One thing they all have in common: They require sunlight. Phytoplankton float at or near the surface of the ocean, where they can use the sunlight and their chlorophyll to create energy.