Want this question answered?
the union and theconfederacy
Seduction, telegraph, cipher, hot air balloon
Aeroplanes fought in the air in world war one. It was also called an 'aerial dogfight' .
hot air balloon
Professor Thaddeus Lower sent messages about locations in a hot air balloon. Balloons were used by the Union army from 1861 to 1863 in the Civil war.
Kapua, are you asking this
If there is warm air in the balloon, cooler air makes the balloon rise and if there is cold air in the balloon warmer air makes the balloon fall.
Yes
it's because of the ratio of the weight of the air in the balloon to the air outside the balloon
When the burner on a hot air balloon is turned on the air inside the balloon is heated making it less dense. This will cause the balloon to be more buoyant and climb.
the temperature affects the balloon filled with air because if it is too cold it can freeze it, and cause the balloon to pop
its effect increases as balloon moves upward
depends on mass and if you include the air. same mass and not including the air they both weigh the same, air just expands the balloon and lowers the effect of gravity.
Frank Luke - the Arizona Balloon Buster
the color of a balloon is a dark color. but when you put it in the heat, the air in the balloon expands and the color of the balloon gets lighter and pops.
A balloon floats in the air when the molecules inside the balloon are less dense. The gas inside a helium balloon is in essence "lighter" than the air around it, causing a buoyancy effect which makes the balloon float. This can also be seen in hot air balloons when the air molecules are heated by the propane torch and excited, thus creating a less dense environment inside of the balloon compared to outside of the balloon.
A balloon floats in the air when the molecules inside the balloon are less dense. The gas inside a helium balloon is in essence "lighter" than the air around it, causing a buoyancy effect which makes the balloon float. This can also be seen in hot air balloons when the air molecules are heated by the propane torch and excited, thus creating a less dense environment inside of the balloon compared to outside of the balloon.