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What else can I help you with?
What causes a balloon to rise and explode?
A balloon rises when it is filled with a gas lighter than air, such as helium. If the balloon keeps rising, it will eventually reach a point where the air pressure decreases, causing the balloon to expand and potentially burst due to the pressure difference between the inside and outside of the balloon.
Why does a hot air balloon rise when it is heated and sink wen it is cooled?
If it is cooled its gets extremely cold from the helium,and when the heat is in the balloon it keeps it warm when its in the helium
Give 5 examples of upthrust?
1) A boat on water - upthrust going up keeping it a float also known as buoyancy. 2)Swimmer- upthrust (or buoyancy again) keeps the swimmer on top of the water. 3) A helium filled balloon - helium is lighter than air so it displaces it, pushing up into the air. 4)A hot air balloon - same principals of a helium balloon. can only think of 4 sorry. 5) jumping out of a plane. 6)it is what makes a parachute lift one up when falling.
What are the three main parts to a balloon?
The three main parts to a ballon is the ballon itself, the gas inside it (air or helium), and the knot that keeps the gas inside.
What can you say about the gas inside a balloon?
The gas inside of a balloon is less dense than the air outside of it if the balloon floats. If the balloon does not float the density of the gas inside of it is equal to or more dense than that around it.
Why do a down-filled jacket keeps you so warm?
it is filled with all that radiation and keeps the warmth in it
Why hot air balloons rises up in the sky?
Hot air has density less than the air surrounding the balloon. When the average density of the balloon filled with hot air is less than the density of the air outside upthrust is more than the weight of the balloon. therefore it keeps on rising up till the upthrust becomes equal to the weight of the balloon.
Does air resistance keep a hot air balloon in the air?
No, hot air balloons are kept up in the air by buoyancy, the same thing that keeps helium balloons up in the air, or that keeps ships afloat. The hot air in the balloon is less dense than the surrounding air, so the balloon weighs less than the air it displaces, at least while the balloon is rising.
What happens if the air balloon burner was turned off?
The balloon will crash. The burner keeps it up.
Why is it when a water balloon is popped it keeps it shape?
because it treches the balloon out and it thats how its takesthe shape
Why hydrogen is used in air balloon?
It keeps it up
How many seconds does it take to pop a balloon?
Usually a matter of hours. But the question phrasing is important. If you fill a balloon with 'air' (O2, N2) then it will deflate much slower than a helium balloon will. Balloons deflate because the molecules escape through microscopic holes in the rubber and since helium is smaller than O2 or N2, it escapes much easier and faster. So a helium balloon will deflate in maybe 10 hours while an air-filled balloon could be around for days. Importantly, this all depends on what type of balloon is used. You will often see a shiny metal-like material used in helium balloons. This material is specially made to have incredibly small pores, so it keeps helium in much longer. So in summary, a balloon's lifespan depends entirely on what you fill it with and what type of balloon you use. Bigger balloons generally last longer due to a lower surface area-to-volume ratio. Keeping balloons cool will likely help their lifespan somewhat but will also cause them to appear deflated. A standard rubber balloon filled with exhaled breath will usually last about 4/5 days but it is entirely circumstantial.
