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46 Cards in this Set

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