Assuming you mean a water solution of coffee, anything that floats in water (has a density of less than 1gcm-3) will float; this includes ice, dry wood, a balloon fiiled with air, etc.
Some bad coffee beans do but good coffee beans shouldn't
A magnet will attract the iron leaving the coffee behind. It is also possible to separate them by flotation on water; add some detergent to the water to break the surface tension so the iron powder can sink while the coffee powder floats.
There is no specific collective noun for a group of floats, in which case, general collective nouns are used according to the situation, such as an armload of floats, a bin of floats, a case of floats; or, you could be creative; a flight of floats, a flotilla of floats, a flurry of floats.
Floats
Yes. It floats on water
Very Fancy Floats.
You get floats in the summer catalog.
No, it floats because of buoyancy.
Floats - drink - was created in 2008.
it floats because it floats, and that is the answer. thank you thank you!
they used boats and floats, ICECREAM FLOATS
The duration of Hope Floats is 1.9 hours.
The Obama parade typically included around 40 floats.