get up under the a desk and hold your hands over your head
No, a tornado is a kind of violent windstorm.
A supercell is the kind of thunderstorm most likely to produce a tornado.
You don't prepare supplied during a tornado; there isn't enough time. If a tornado is approaching your location, take cover immediately.
There is no specific type or rating for a tornado of a given size, though a mile wide tornado is likely to be very strong. The general term for a very large tornado (though not necessarily a mile wide), is "wedge."
it becomes a tornado
You cannot "defeat" a tornado of any kind. All you can do is take cover to ensure your safety. The best place to be is in a basement or cellar.
yes to call there parents after school and that kind of safety stuff
The Occupational Safety and Health Act does not address class size in any kind of school.
No, a tornado is a kind of violent windstorm.
A tornado is a kind of vortex. Air in a tornado rotates rapidly. Additionally, a tornado may contain multiple smaller vortices.
the tornado kind
A tornado is itself a kind of vortex, and can have smaller vortices inside of it.
A tornado is a kind of vortex so yes, in some ways.
A tornado emergency is a special kind of tornado warning that is issued when a large tornado is threatening a populated area. A tornado emergency indicates a more dangerous situation than an ordinary tornado warning.
No, it can not happen. You will always need a cloud to form a tornado. The kind of cloud that a tornado uses is a cumulonimbus cloud.
waterspouts
A tornado is a violent microscale circulation with a low pressure center and forms from a thunderstorm.