The heliom inside the ballon is why a ballon able to rise.
When a balloon is filled with helium, it becomes buoyant because helium is lighter than the surrounding air. This causes the balloon to rise and float. The helium gas inside the balloon also increases the pressure, which helps the balloon maintain its shape and stay inflated.
Nearly any gas can pump up a balloon because it has mass. However, helium is used because it is lighter than air, makes balloons rise, and is fairly safe. Sure, you could put hydrogen in a balloon and it would rise, but it would be highly explosive.
When the balloon is filled with water, it creates pressure on the water inside the straw, causing the water level in the straw to rise. When the balloon is squeezed, the pressure is increased, causing the water level in the straw to rise even further due to the increased force.
Heating the air makes less air take up the same space, so the air inside the balloon is lighter than the surrounding air. The pilot turns off the burner to help the balloon to maintain the current altitude or to descend.
Helium is lighter than air, so when it is trapped inside a balloon, it creates a lifting force known as buoyancy that causes the balloon to rise. This is because the buoyancy force exerted by the helium is greater than the weight of the balloon and the air it displaces.
A balloon has some mass and volume. Therefore it will rise in the atmosphere until that mass/volume is equal to that of the local atmosphere.
A hot air balloon is able to lift itself because the air inside the balloon is heated, making it less dense than the surrounding cool air. This causes the balloon to become buoyant and rise. By controlling the temperature of the air inside the balloon, the pilot can control the altitude of the balloon.
Hot air balloons rise because when the air inside the balloon is heated, it becomes less dense than the surrounding cooler air. This difference in density creates lift, causing the hot air balloon to float upward.
Helium. It is lighter than air and provides buoyancy, causing the balloon to rise.
To make a balloon rise, you need to fill it with a gas that is lighter than the surrounding air, such as helium. Helium is less dense than air, so the balloon is able to float upwards due to the lifting force created by the difference in densities.
with out the hot air the balloon would not rise
To make a balloon rise in the air, one way is to fill it with a lighter-than-air gas, such as helium or hydrogen. The gas inside the balloon is less dense than the surrounding air, enabling it to float and rise. The amount of gas and the size of the balloon will determine how high it can rise.
There are many chemicals found in a hot air balloon to make it rise. The main elements/chemicals are Helium and Hydrogen.
Helium. The helium gas in the balloon is lighter than the air outside the balloon.
A balloon filled with a gas will rise or sink depending on the density of the gas inside compared to the surrounding air. If the gas inside is less dense than the surrounding air, the balloon will rise. If the gas inside is more dense, the balloon will sink.
A hot-air balloon rises because the air inside the balloon is heated, causing it to expand and become less dense than the cooler air outside. According to Archimedes' principle, the buoyant force acting on the balloon is greater than the weight of the balloon, allowing it to ascend. As the air inside the balloon cools or the weight increases, the balloon descends.
Heating the air in the balloon makes it less dense than the surrounding air, causing the balloon to become buoyant and rise. As the air inside the balloon cools, it becomes denser and the balloon descends. This process allows the pilot to control the altitude of the balloon.