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Space Exploration

QuestionAnswer
rocket a device that expels gas in one direction to move in an opposite direction
orbital velocity the velocity a rocket must achieve to establish an orbit around the earth
escape velocity the velocity a rocket must reach to fly beyond a planets gravitational pull
thrust the reaction force that propels a rocket forward
velocity the speed in a given direction
combustion chamber an enclosure in which combustion, especially of a fuel or propellant, is initiated and controlled
NASA National Aeronautics and Space Administration created by the US government in 1958, responsible for the US space program and aerospace research. It is a civilian organization that does both civilian and military aerospace research.
parachute piece of material that helps the rocket slowly descend back to the earth for safe recovery to take place
acceleration change in velocity
drag resistance or friction force experienced by any object moving through air
fuel the chemical a rocket burns
gravity the force that pulls down on any object near the surface of the earth
kinectic energy energy of motion
mass quantity or amount of matter an object has
payload cargo of rocket
potential energy stored energy which can be fully recovered and converted into kinectic energy
propellant the substance used in a rocket engine to provide thrust; source of motive energy in a rocket engine
recovery phase the period of time following the deployment of the recovery system which allows the rocket to drift safely back to earth
thrust phase the period of time during which the propellant is burning and the rocket motor is producing thrust
nose cone the cone shaped front end of a rocket
Newton's third law of motion for every action there is an equal and opposite reaction
aerodynamics the study of how air flows around a rocket
combustor where air is mixed with fuel and then ignited producing hot expanding gases
lift a force that pushes an object upward
propulsion the study of how to design an engine that will provide the thrust that is needed for a rocket to take off and fly through the air
Popular Earth Science sets

 

 



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