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water rocketz Word Scramble

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Ch.18 LTI-MA 509

Question	Answer
apogee	the highest altitude the rocket reaches
ballast	something that adds weight in order to improve stability or performance
center of pressure	the center of all drag on the rocket
center of gravity	the point on the rocket where all mass appears to be concentrated
constraint	limit
design	to create or construct
drag	the force that slows the motion of the object
dr.robert goddard	known as the father of modern rocketry
hypothesis	an educated guess
laminar airflow	smooth airflow around the rocket
liftoff	when the thrust is greater than the rocket
propellant	contains both fuel and an oxidizer
rocket	a self propelled device that has its own fuel
thrust	the force used to move an object
total impulse	the thrust duration of engine burn
turbulent airflow	uneven airflow around rocket skin increasing drag
velocity	the rate of change position along a straight line
wernher von braun	in charge of developing ww2 v2 rocket