Supersonic Jets and Mach
The Soviet Union's supersonic plane
What is TU-144
The thing that sound travels in?
What is waves
The American Supersonic plane
What is Boeing 2707
When does a sonic boom happen
What is when you break the sound barrier
The British & French supersonic plane
What is Concorde
What does the jet make?
What are sound waves?
Sound Barrier in Mach
What is Mach 1
The system in the brain that translates the waves
What is Auditory System.
The fastest plane in the history of the world
What is SR-71 Blackbird
The thing that causes a sonic boom
What is a change in air pressure?