Rocket Scientists
How Rockets Work
Rockets in orbit
Multistage Rockets
100

Tsiolkovsky.....

He was the first to describe how rockets _____.

Proposed designs for rockets, but never actually ____ one! 

work, built

100

Fuel is burned to make _____. Gas pushes outward but can only escape out the opening in the ____. 

hot gas, back

100

For a rocket to leave the ground, thrust has to be greater than_____. 

gravity

100

As rockets burn its fuel, the ______ empty. These chambers still have to be pushed into space. 

chambers

200

Goddard.....

American____.

Built the rockets that Tsiolkovsky _____.

physicist, designed

200

The movement of gas out of the opening propels the rocket ____.

forward

200

Escape Velocity: 11km/s or greater

Velocity needs to break through the _____.


atmosphere

200
What if they could be released when they were empty? Would this effect the amount of weight that has to be pushed along? Tsiolkovosky proposed this idea on ____.

1903

300

Von Braun

V2 rocket during____

Came to the US from _____ after the war and worked for the space program. (NASA)

WWII, Germany

300

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

300

Orbital Velocity: 8km/s or greater, if less will go back to ____.

earth

300

What advantage does it provide? 

The total weight of the rocket is reduced as the rocket ___.

rises

400

Thrust depends on ____, and speed of gas. Greater thrust= greater velocity

Velocity is?

mass, the speed in a given direction 

400

As one stage is used up, the next stage ignites and ____ the rocket _____.

carrys, forward