Rockets
Religious Festivals
Who took a more scientific approach to the development of sophisticated rockets and was able to increase the range of the projectiles?
William Congreve
In the beginning, many of his rockets were unsuccessful; however, on the 16th of March, 1926, Robert H. Goddard launched a rocket that was truly a breakthrough in aerospace technology. His rocket was so different and important because it used ________ and was _________.
liquid fuel, controlled
The formula f = m • a (or f = ma) defines which one of Newton’s three Laws of Motion?
Second
Which of the following is considered one of the rules to determine if a rocket will be stable or not?
The center of pressure should always be behind (closer to the tail) the center of gravity
In the Battle of Kai-Keng, the Chinese repelled what invaders with a rocket barrage?
Mongols
Who wrote the book, “From The Earth To The Moon,” which inspired many young scientists to pursue a lifelong interest in space travel?
Jules Verne
Charles A. Lindbergh, the famous aviator who flew solo from New York to Paris in 1927, was a witness to which great rocket scientist’s experiments?
Robert H. Goddard
Multiplying the distance one stands from an object by the tangent of the angle created by the base of the formed right triangle, provided one adds__________.
One's height.
In the “Swing test” the six to ten-foot string is attached to the model rocket at the center of ________.
graviity
The point where all of the mass of a rocket is perfectly balanced is called the _________.
Center of Gravity or CG
In 1903, Tsiolkovsky published an article titled “The Exploration of the World Space with Jet Propulsion Instruments.” This publication is considered to be the first true, scientifically-based proposal for _______.
Space Exploration
This rocket scientist was the team leader in the development of Germany’s V-2 ballistic missile in World War II. After the war, he and several other scientists came to America and helped create our space program. Who was this great aerospace pioneer?
Werner von Braun
“The rate of change in velocity with respect to time” is a definition for?
Acceleration
In the “Swing Test,” if a model rocket is very stable, it will point ______ into the wind created by its forward motion.
forward
The axis that runs through the center of a rocket from nose to tail is called the __________.
Longitudinal Axis
He was a Russian-born schoolteacher who spent most of his adult life developing theories about rocketry and space travel. He is recognized as the “Father of Space Travel.” Who is this great pioneer?
Konstatin Tsiolkovsky
If your model rocket weighs more than ______ ounces at lift-off, or has more than 4.4 ounces of propellant, you will check and comply with Federal Aviation Administration regulations before flying.
53
The engine (or motor) provides the action, and the forward motion of a rocket is the opposite reaction. This is operational proof of which of Newton’s Three Laws of Motion?
Third
Which of the following procedures would move the balance point forward in a model rocket?
Add weight to the nose.
Movement around the Vertical Axis is known as _________
Pitch
This German-born scientist published a book called “The Rocket Into Planetary Space” in 1923. In this book he discussed propulsion, the dangers of working with solid propellants, and the possible hazards to humans in space flight. What was this scientist-author’s name?
Hermann Oberth
By definition, the highest point in the flight of a model rocket is known as the _________.
Apogee
Concerning “Recovery System” in the Model Rocketry Safety Code, which of the following is most correct?
a. I can use any recovery system—there is no restriction. c. I am required to always use a parachute d. I am required to use a parachute that provide at least 20 pounds of drag.
"B"
In the Official Model Rocketry Safety Code, which of the following is most correct regarding model rocket motors?
a. “I can use any model rocket motor as long it is made of the proper chemicals.”
b.“I will use only certified, commercially-made rocket motors.”
c. “I will not tamper with these motors or use them for any purpose except those recommended by the manufacturer.”
d. Both“b” and “c” are true and are part of the Official Model Rocketry Safety Code.
"D"