of thread onto the circle.4.Tape the thread to the balloon. And you have your own hot air balloon.Good...:1.Cut out five hot air balloon shapes. Fold them in half (对折).2.Glue one paper to another.3.Cut ……

your parent to put hot water into the cup.3.Put the bottle in the cup.What happens?The bottle blows up (吹起) the balloon!WHY?The hot water warms (加热) the air of the bottle. The hot air rushes into (冲进 ……

为什么热气球会飞？Hot air rises5. A heater (加热器) fills the balloon with hot air. So the balloon rises, too. ……

定制属于你的个性热气球。WHY is the train flying? In fact, it’s a hot air balloon (热气球)! A British company (公司) made it. It can make great hot air balloons in all shapes (形状), from Coca-Cola bottles to space ……

air balloon. You will need to wait for a sunny day with no wind. Shake open a large, dark, plastic... bigger and become lighter than the air around it. Finally your sun-warmed garbage bag will fly ……

a hot air balloon. You will need to wait for a sunny day with no wind. Shake open a large, dark, plastic... bigger and become lighter than the air around it. Finally your sun-warmed garbage bag will fly ……

热气球的盛会。HOW did people fly before there were airplanes (飞机)? Hot air balloons (热气球)! The big balloon... Hot Air Balloon Festival began in Leon, Mexico. Hot air balloon lovers from all over the world came ……

in. Make them look like one.How to play1.Say to your friends: “This is a balloon.” Then you cut the balloon in half.2.Hold the top of the broken (坏的) balloon. Then blow air (吹气). You will blow it up ……

飞上天的“球鞋”热气球Look, there is a big shoe in the sky! The “shoe” is a hot-air balloon. A British company produced it. How big is the “shoe”? Look at the tiny basket at the bottom of the balloon, and you ……

VCGVCG巨型热气球将开启全球巡游之旅。巨型热气球将开启全球巡游之旅。Amazing! There is a 42-meter-tall hot-air balloon (热气球) in the sky. Looking like a Mickey Mouse, this hot-air balloon is called Companion. On May 16, the balloon ……

吉尼斯世界记录
最高的音乐会On 31 May 2006, a British (英国的) music group performed (演出) in a hot air balloon (热气球) at 1,848m high. ……

飞舞吧，热气球！How big this hot air balloon is! This balloon is in the Bristol International Balloon Fiesta (布里斯托国际热气球节). It is the largest balloon event in Europe (欧洲). This year, the event is 40 years old ……

: “Hey, your stomach is empty!”How do hot air balloons (气球) fly?There is a heater (加热器) under the balloon. It fills the balloon with hot air. Hot air rises (上升). So the balloon rises, too.Answer ……

in the sky! The picture was taken at an international hot air balloon festival in France in July. Over 1,000 hot air balloon pilots (飞行员) from 67 countries took part in the festival.21STThis picture ……

NORTHAM, Australia: US millionaire Steve Fossett launched his hot-air balloon from the Australian... turned out to watch the liftoff.As the outback quickly heats up during the day thermals create strong ……