helium balloon because helium is less dense than air
because the breth in lots of air and air floats because the breth in lots of air and air floats
A balloon.
helicopter
Because the air contained inside the matress is lighter than the water, it floats. same reason why Helium, which is lighter than the rest of the air around it, floats as well when it is in a balloon.
because a soda can is full of air. Air is lighter than water, and is therefore boyant and the can floats.
Beautiful music floats
The float has air in it.
It floats in the air because of the helium inside. Helium's density is less than that of oxygen, same reason fat floats in water.
Yes, that's why oil floats on air...
the air floats over the equator stupid
Hot air balloons, sail planes, kites.
Referred to as a Hovercraft.