I'm sinking but my heart is floating.
The opposite of floating would be sinking.
you cannot make a floating and sinking bowling ball, it is highly impossible.
Mass affects the density of a object which therefore affects the floating and sinking of it
Breathe while floating. Hold it while sunk.
Fish do not normally "float around" they swim. If your fish is floating/sinking then it is probably dead.
it keeps them from floating or sinking
the opposite meaning of a word. The antonynm of floating is sinking.