In general, an object floats if it is less dense (has less density) than the water (or other liquid).
Cork does float in water because it's less dense than water.
Yes, a cork will often float on the surface of water, depending on the cork's density. But a marble will sink in water because of its weight. It will not float on the surface.
it float at the same level in water.
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Things that are less dense than the water they displace will float (like cork) Things that are more dense than the water (like a nail) sink.
Because cork is less dense than water.
A cork has a low density. It is lower then water. That causes it to float.
because cork is less dense than water
a cork
Cork is a light weight wood product that will float in water.
Oil is denser than cork, so the cork would float.
Cork does float in water because it's less dense than water.
it floats
Cork is lighter than most types of wood and would therefore float higher (or better) in the water.
Depends on the medium, and whether the ball is solid or not. A solid ball would float on mercury, sink in water. If it were hollow enough (or filled with, say, cork) it would float in water.
Yes, a cork will often float on the surface of water, depending on the cork's density. But a marble will sink in water because of its weight. It will not float on the surface.
Only if the beaker is very full and the surface is rounded. Otherwise, the cork will float to the edge of the container (which is typically the highest part of the water).