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A ballast is heavy weights or sand bags to stabilize a ship or air balloon while an anchor is weight that holds the ship or air balloon to float away
I think it drops the ballast (sand filled bags) which are attached to the basket
Filling a balloon with air is called inflating it.
The amount of ballast a tour hot air ballon would need is about six bags of sand. You will need engough support to hold the big group of passengers.
A hot air balloon pilot is called an aeronaut.
Modern hot air balloons do not have sand bags because the air input is easily controlled for lift. Hot air balloons used to have sandbags to weigh them down until lift off and sand was gradually dumped to gain height in the air.
Dump it in water. Pepper floats, sand sinks. This works but you can also try using a balloon. Fill the balloon with air then rub it on your hair. Then move it around slowly over the mixture the pepper will cling to the balloon and the sand will not.
An envelope is the bag in which the hot air is trapped ito to give the balloon lift.
Because the fire or heating device heats the air in the top section ( the actual balloon ) and hot air rises... so the hot air trapped in the balloon makes the balloon rise :)
By using heavy weight sacks of sand
Hot air makes the balloon go higher. That's why it's called a hot air balloon
A hot air balloon does not have any mean of steering and does not have permanent flotation. An airship has a permanent means of flotation (lighter than air gas bags) and a means of propulsion.