Describing the fall of objects into water [closed]

"Rippling."
Perhaps "cannonballing" such as when someone jumps in a pool with knees drawn to chest;
"belly-flop" or "belly smacker" when someone lands flat on their belly and face jumping into water;
"churning" self explanatory;
"eddying" which is more the counter current movement of water beyond fixed objects such as rocks;
"geyser" as I suppose water can do when a large object is dropped;
"spray";
"plop" as with small objects entering water;
"splatter" though usually one thinks of thicker fluids than water;
"pelt" as one could throw multiple small objects into the water;
"skip" as with a flat rock skimming the surface more than once when thrown nearly parallel with the water surface;
"pour" - I suppose you could pour sand, salt, or a collection of pebbles etc. into water;
"dissolve" in addition to the sink or float options you mentioned;
"buoyant"; "suspended" if describing an object hovering just below the surface;
"founder" - to fill with water and sink, usually a ship, but could happen to a dropped concave object I suppose;
"calving" when speaking of a chunk of glacier falling into the water;
"tumbling" for sizable falling object(s);
"crumbling"; "sliding"; "toppling"; "rolling"; "avalanche";
"plunk" which I would consider a sharper sound than a plop, "plunk" could also be used as a verb to throw something into the water.