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Bouyancy. A Boat/ship is hollowed out to be use to passengers, were as rocks are solid and have a lot less buoyancy.

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12y ago

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How can a boat float and don't sink?

because the boat is made out of stuff that can float


What will sink float or suspend?

A boat


Which property causes a ball to sink and a boat to float?

Density is the property that causes a ball to sink and a boat to float. If an object is denser than the liquid it is placed in, it will sink, while if the object is less dense than the liquid, it will float.


How does the shape of the boat effect it to sink or float?

The science is called "displacement". If the shape of the boat allows the amount of the boat in the water to be less weight than the water it displaces it will float. If the amount of the boat in the water weighs more than the water it displaces it will sink.


Do all rocks sink?

It depends on the type of rock. A rock like sandstone would not sink if it is a small peice. Small rocks can float. That's when its called silt.


Does the density of a rock cause it to sink or float in water?

Density describes mass per unit volume. Pretty much all rocks will sink unless there is air in it


Does granite rock sink or float?

Granite rock is denser than water, so it will sink when placed in water.


If you use a smalll amount of plasticine to make a large boat shape it will float but if you use a small paice then it will sink Why is this?

ducks go quack.........lol


What makes boat a sink?

Different things. For example, the Titanic sank because it hit an iceberg. Other ships sink because the weight on it is too heavy. It also depends on how sturdy the ship or boat is. If it is a handmade small boat, jump on it- and it will sink. if it is medium or big, someting like a rock or an iceberg can sink it.


What type of rock cannot float on water?

Virtually all types of rock will sink in water. The only rock that can float on water is pumice.


Does Anorthite sink or float in water?

It will float. Its a rock. It actually depends on how much water you have, if you you tried float it in the ocean, it would obviously sink. But if you tried to float it on a gladd or bowl or water, it would float,


Why cana boat float and not a rock?

A boat can float because the mass of the water it displaces is greater than the mass of the boat itself, creating an upward buoyant force. A rock, on the other hand, is denser than water and therefore displaces less water than its own mass, resulting in a downward force greater than the buoyant force, causing it to sink.