What are balloons made of now? What about the first balloon?
Now- Rubber, Earlier - Pig and Animal Bladder
What is an Air Ship?
Rigid aluminum frames covered with fabric inside with several gas-filled bags. There were passengers and Cargo
Why are balloons made of Rubber? Properties?
Stretchy, Airtight, Water Proof
What are all the things made from Rubber?
Tyres, Raincoat, Shoes,Rubberband
Which is the Gas lighter than Air?
Helium
Why did the Airship in the Video catch Fire?
Because it was filled with Hydrogen bags
What is a Hot Air Balloon?
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What is filled in the Hot Air Balloon for it to rise?
Hot Air
How is Rubber got?
From Latex of Rubber trees