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46 Cards in this Set
- Front
- Back
A Greek named __________ developed the first rocket engine. It was propelled by __________.
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Hero
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The __________ were the first people to develop gunpowder.
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Chinese
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In England, ________ ________ increased the range of rockets.
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Roger Bacon
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In France, _______ __________ achieved more accuracy by launching rockets through tubes.
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Jean Froissart
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In the 17th century, ____ _____ ______ laid the scientific foundations for modern rocketry when he developed his laws of _________.
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Sir Isaac Newton
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In the 18th century, _______ _______ ________ designed rockets for military use.
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Colonel William Congreve
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Goddards first successful flight was fueled by _______ _______ and ________.
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liquid oxygen and gasoline
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The United States first artificial satellite was called __________ ____.
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Explorer I
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A Russian, ______ _________, was the first man to orbit Earth.
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Yuri Gagarin
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_______ _________ was the first American in space.
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Alan Shepard
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______ ________ was the first American to orbit the Earth.
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John Glenn
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On July 20, 1969, Apollo 11 astronaut ______ _________ became the first man to walk on the Moon.
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Neil Armstrong
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The United States first space station was called __________.
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Skylab
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The space transportation system used for transporting to space and returning to Earth is called the _______ ________.
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Space Shuttle
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A _______ ________ is the rocket system that lifts the spacecraft.
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launch vehicle
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The _______ ___ was the launch vehicle for the Apollo 11 mission.
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Saturn V
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____________ is the rate of change in velocity with respect to time.
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Acceleration
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Newtons _______ Law of Motion states that a body at rest remains at rest and a body in motion tends to stay in motion at a constant velocity unless acted on by an outside force.
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First
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_______ is the tendency of an object at rest to stay at rest and an object in motion to stay in motion.
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Inertia
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______ is defined as the amount of push used to get the rocket traveling upwards.
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Thrust
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Newtons Second Law of Motion can be explained by a mathematical formula. The formula has three parts - ___ = ___ ___.
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f = ma
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The __________ provides the shape of the rocket.
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airframe
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The airframe of a rocket must be lightweight, yet structurally ________.
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strong
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The __________ is defined as whatever the rocket is carrying.
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payload
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The astronauts and their data are also part of the __________.
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payload
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The __________ is the brain of a rocket.
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guidance
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The __________ system is responsible for getting the rocket to its destination.
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guidance
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A computer is programmed to guide the rocket on a desired _____________.
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trajectory
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The __________ system steers the rocket and keeps it stable.
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control
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The __________ system consists of everything directly associated with propelling the rocket.
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propulsion
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The ________ propellant is what is commonly used today.
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liquid
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The ________ system takes information from the guidance system, and keeps the rocket in the proper position and makes any needed corrections.
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control
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The ________ system is small compared to the rest of the rocket. It is a self contained electronic unit with a computer.
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guidance
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Modern rockets consist of four major systems: _______, _______, ______ and__________.
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airframe,guidance,control,propulsion
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Newtons ______ Law of Motion states that to every action, there is an equal and opposite reaction.
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Third
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On October 4, 1957, the _____ ______ launched the first artificial satellite. It was called _______ ____.
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Soviet Union, Sputnik I
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The ________ is the skin of the rocket and serves as the wall of the propellant tanks.
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airframe
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When John Glenn orbited the Earth he was launched by the powerful _______rocket.
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Atlas
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____ ______ _______ conducted many practical rocket experiments and became known as the Father of Modern Rocketry.
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Dr. Robert Goddard
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The V-2 rocket was built under the directorship of _______ ____ ______.
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Wernher von Braun
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The liquid propellant is usually kerosene or liquid_______; the oxidizer is usually liquid_______.
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hydrogen, oxygen
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There are two rocket propellants, ________ or ________.
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liquid, solid
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In the 1200s, the Chinese and Mongols used rockets as ______ of flying fire.
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arrows
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In a solid propellant, the fuel is usually a mixture of hydrogen compounds and _______. The oxidizer is made up of _______ compounds.
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carbon,oxygen
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Liquid propellants are carried in compartments separate from the combustion chamber, one for the ______ and one for the _________.
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fuel, oxidizer
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Newtons Second Law of Motion states that the rate of change in the momentum of a body is ___________ to the force acting upon the body and is in the direction of the force.
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proportional
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