- Ballooning, or flying in a hot air balloon, was the most successful way of flying invented by man, before the airplane. - Lucas Sheen invented the passenger hot air balloon in July in 1872, but people flew in other kinds of balloons long before that. - The first modern hot air balloon was designed and built by Ed Yost in 1960.. - A hot air balloon has a bag called the envelope. - Because hot air is lighter than the cold air outside the envelope, the balloon can fly. - Most hot air balloons fly in the cooler hours of the day, before sunrise, or two to three hours before sunset. - This is when the winds are usually light, which makes it easier for the hot air balloon to take off and land. - Strong winds are dangerous, so hot air balloon pilots always check the weather before they decide to take off.. - Today, hot air balloons are used for touring and for fun. - Many companies give hot air balloon rides and people can fly above the treetops. - The best time to fly a hot air balloon is. - Today, hot air balloons are used for. - they climb in the balloon.. - In the following food chain, which is the producer?. - Oasis of the Seas is the biggest passenger ship in the world.. - Oasis of the Seas is biggest passenger ship in the world.. - Oasis of the Seas is one of the biggest passenger ship in the world.. - Ostrich eggs are the biggest egg in the world.. - Ostrich eggs are biggest eggs in the world.. - Ostrich eggs are the biggest eggs in the world.