the way to make a penny float is the same way as making an egg float.All you have to do is add salt alot until you see the penny float and that's about it
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One way to make a penny float is by using the surface tension of water. Carefully place the penny on the surface of water in a bowl or cup, making sure it is placed flat. The surface tension of the water will allow the penny to stay afloat.
if u made the piece ofmetal hollow it can float unless its density is larger than the water densityANSWER:If you make it displace more water than what makes it sink, it will float, as in a ships hull. If you make pontoons out of it, it will float. If you make an enclosed shape that contains enough air, it will float. There should be less density in the item than the water.
To make an egg float in water, you can increase the density of the water by dissolving salt in it. When you add enough salt, the buoyancy of the water increases and the egg will float.
Helium can make objects and people appear to float because it is less dense than air. When helium-filled balloons are released, they rise due to the buoyant force acting on them. However, helium itself does not have the ability to make humans float on its own.
Yes.
because th salt makes things float and George bush was the worst president