1- How do you think hot-air balloon work?
The heat always go up, and thats the reason why te balloon get inflated and elevates.
2- Would you ever ride in a hot-air balloon? Why or why not?
En esta pregunta tienes que decir si te gustaría subirte a un globo aerostático o no y dar las razones.
Match images with text
TEXT 1: image 4
TEXT 2: image 2
TEXT 3: Image 3
TEXT 4: image 1
1- Do you think hot-air balloon are an important invention
Crees que los globos aerostáticos son un gran invento?
Esta pregunta debes de contestarla bajo tu propio criterio, da tu opinión
2- Do you think people still use hot air-balloons?
¿Crees que la gente aún utiliza los globos?
Esta pregunta debes de contestarla bajo tu propio criterio, da tu opinión
3- What are the possible uses of the hot-air balloon?
It can help the people to observ a panoramic image of the place, but no for transport.
Process
The balloon is filled with air by a fan. Then, the burners are turned on, and the air in the envelope is heated up, The balloon is released. After that, A vent is opned, the hot air released and cool air goes into the balloon, this make the balloon been heavier and descends.
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