Whether an object sinks or floats depends on the objects buyoncy. If an object has a higher buoyancy then water it will generally sink, and less it will float.
The density of tennis balls is approx. 0,38 g/cm3 an can float on water.
Well rocks don't float because they are a solid with no air.
Pumice rocks have been known to float across oceans.
No rocks float, irrespective of color with the exception of pumice, a solidified lava froth.
Five things that would float are: foam balls, plastic spoons, pencils, threads, and paper. Five things that wouldn't float are: rocks, coins, paper clips, wooden rulers, and metal hair clips. Every object that I named is a solid.
No
the density
The game football meaning soocer comes from a long time ago from kicking heads into nets to hard rocks now rubber soccer balls
swimming rocks James mercer 8-2
it has holes in it and has kelfrigis
asteroids
one. Pumice.