Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
What group of people first used rockets for defense?
|
The Chinese
|
|
What was the propellant used for most early rockets?
|
Black powder
|
|
Sate Newton's third law of motion.
|
When an object pushes against another object, the second object pushes back with the same force.
|
|
Because most early rockets were difficult to aim, they were not used extensively as weapons. What were they used for?
|
Fireworks
|
|
Who designed the rocket that was referred to in the phrase "the rockets' red glare" in the National Anthem?
|
Sir William Congreve
|
|
What improvement did the Hale rocket have over earlier rockets?
|
Three fins
|
|
Who is known as the father of the modern rocket?
|
Robert Goddard
|
|
What 2 improvements did Goddard add to the rocket?
|
The liquid-fuel rocket; the gyroscopic control system
|
|
What is the name of the large rocket developed by Wernher von Braun that was used so successfully by the Germans during World War II?
|
The V-2
|
|
What was the name of the first U.S. satellite?
|
Explorer I
|