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Why does a helium balloon rise?
Because helium is lighter than air. An object in a fluid is buoyed up by a force equal to the weight of the displaced fluid. That's the reason that soap, logs, people, and boats float in water, and bags of hydrogen, hot air, or helium float in ordinary air.
Why do boats float and ships sink?
Provided the boats and the ships displace their weight in water without the water coming inboard, they will float and not sink. A boat made of wood is likely to float even when full of water because wood tends to float. It is all to do with displacement and freeboard.
Why a needle does not float whereas a heavy ship floats-?
A needle doesn't float because there is very little air in a needle. Metal is much more dense than wood, which is what most boats are made of. When a boat is made of metal, there are air stores inside of the boat that keep it afloat.
What makes balloons float when they are full of air but not float when they are deflated?
When balloons float they have helium in it. Helium is not air, but a gas. It's lighter than air, which makes it float.
Why do things float in the air?
things float in air because of density
Air propulsion Motor Boats?
it is a boat that can float in water
Do boats have to float?
If boats didn't float, they wouldn't be boats, they'd be anchors.
Why do boats float but humans don't?
Actually, humans do float. It's just that some of your clothes weigh you down.For the reason on why boats float, it is because the water is denser than the boat filled with air. If you fill a boat with water, then it will sink.
What materials make boats float?
you know rubberized materials that inflict pleasure
How do you explain to kindegarteners how boats float?
you could tell them that the air in the boat makes it "fly" on the water.
Why do steal boats float?
Its called bouyancy...any object that is sealed off against water is bouyant...because air is light that water and as long as that air is trapped inside and not let to escape it will float
What are advantages for boats?
They float.
What does boats have to do with science?
Science is what can explain how boats float and work.
What makes boats float on water?
Bouyancy is what makes a boat float
Why are boats hollow?
So that they float.
Do planes fly?
yes they doscientists have revealed it. Have you tried it it's just like sailing.------------------------------------------------------------------------------------Do boats float?no boats don't float, they sail.
Why do fiberglass boats float?
Becuase they float off of smelly cheesey farts
