Rocket Scientists
Tsiolkovsky.....
He was the first to describe how rockets _____.
Proposed designs for rockets, but never actually ____ one!
work, built
Fuel is burned to make _____. Gas pushes outward but can only escape out the opening in the ____.
hot gas, back
For a rocket to leave the ground, thrust has to be greater than_____.
gravity
As rockets burn its fuel, the ______ empty. These chambers still have to be pushed into space.
chambers
Goddard.....
American____.
Built the rockets that Tsiolkovsky _____.
physicist, designed
The movement of gas out of the opening propels the rocket ____.
forward
Escape Velocity: 11km/s or greater
Velocity needs to break through the _____.
atmosphere
1903
Von Braun
V2 rocket during____
Came to the US from _____ after the war and worked for the space program. (NASA)
WWII, Germany
Newtons third law of motion: For every action there is an equal and opposite reaction. Action= rocket pushes hot gas out of the ____. Reaction: the hot gas push the rocket forward. The reaction is called____.
engines, thrust
Orbital Velocity: 8km/s or greater, if less will go back to ____.
earth
What advantage does it provide?
The total weight of the rocket is reduced as the rocket ___.
rises
Thrust depends on ____, and speed of gas. Greater thrust= greater velocity
Velocity is?
mass, the speed in a given direction
As one stage is used up, the next stage ignites and ____ the rocket _____.
carrys, forward