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