Nope!
No it is not. You can own termite in the US.
It is ilegal
yes
Thermite itself is not illegal, but it is highly regulated because of its potential for misuse. Special permits or licenses may be required to possess, use, or transport thermite. It is important to check and comply with local laws and regulations before obtaining or using thermite.
No, but it's extremely dangerous and you probably shouldn't mess around with it.
The thermite doesn't exactly make its own oxygen, it's already there in the iron oxide (Fe2O3), and simply get's "transferred" in the reaction: Fe2O3 + 2Al --> 2Fe + Al2O3
Thermite is not specifically illegal to own in the UK, but it is regulated under the Explosives Act 1875. In practice, it can be difficult to obtain without a legitimate reason or license, as it is considered a high-powered incendiary material. It is important to follow all legal requirements and safety protocols when handling thermite.
Thermite has its own oxygen source so it can burn without an outer source of oxygen, including underwater and in the vacuum of space. However, I do doubt that thermite can burn in space, since space is quite cold. It would just depend in how far away from the Sun you are when you light the thermite.
no
Thermite welding is all about using thermite for welding steel or iron. Thermite is actually a mixture of iron oxide and powdered aluminum.
no
No