What are people driving hot air balloons called? - Answers
Jun 29, 2024 · In the United States, a pilot of a hot air balloon must have a pilot certificate from the FAA and it must carry the rating of "Lighter-than-air free balloon", and unless the pilot is also ...
What solid liquid and gas is in a hot air balloon? - Answers
May 28, 2024 · In a hot air balloon, the solid component is the balloon fabric, the liquid component is the fuel used for heating the air (typically propane), and the gas component is the hot air that provides ...
Which is heavier hot air or cold? - Answers
Jun 18, 2024 · Cold air is heavier than hot air because cold air molecules are packed more densely and therefore weigh more. When air is heated, it becomes less dense and rises, creating areas of low pressure.
What is the difference between hot air and cold air particles?
May 23, 2024 · Hot air particles have more energy and move faster compared to cold air particles, resulting in hot air being less dense and rising while cold air is more dense and sinks.
What layer of the atmosphere does hot air balloons fly?
Jun 25, 2024 · Hot air balloons typically fly in the troposphere, which is the lowest layer of Earth's atmosphere. This layer extends from the Earth's surface up to an average altitude of about 8-15 kilometers.
Why do hot air balloons have sandbags? - Answers
Sep 16, 2023 · A hot air balloon needs to be slightly negatively bouyant. If a particular design can lift 1000lbs, an ideal flight weight might be 900 lbs so that, in the event of a burner failure, the balloon ...
How did Dorothy get home? - Answers
Aug 29, 2023 · Dorothy Gale and her pet dog Toto tried to get back home by way of a hot air balloon ride with the Wizard of Oz. The balloon took off without them. And so they sought help from Glinda the Good ...
What happens when you rapidly cool hot metal? - Answers
Dec 28, 2024 · When hot metal is rapidly cooled, a process known as quenching, the metal undergoes a phase transformation, typically from austenite to martensite. This rapid cooling prevents the atoms in the ...
What direction does the wind usually blow in? - Answers
Jun 17, 2024 · wind does not "usually" blow in one direction it blows in all directions (direction depends on where you are) and wind has a random direction and speed do to the fact that wind is created through ...
Why does a puddle of water disappear on a hot sunny day?
Aug 10, 2023 · The water is either absorbed by the soil or it evaporates (Because of the suns heat) and converts back to watervapor. This watervapor condenses around dust particles in the air and form clouds ...