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10 Cards in this Set
- Front
- Back
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What group of people first used rockets for defense?
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The Chinese
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What was the propellant used for most early rockets?
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Black powder
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Sate Newton's third law of motion.
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When an object pushes against another object, the second object pushes back with the same force.
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Because most early rockets were difficult to aim, they were not used extensively as weapons. What were they used for?
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Fireworks
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Who designed the rocket that was referred to in the phrase "the rockets' red glare" in the National Anthem?
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Sir William Congreve
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What improvement did the Hale rocket have over earlier rockets?
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Three fins
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Who is known as the father of the modern rocket?
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Robert Goddard
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What 2 improvements did Goddard add to the rocket?
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The liquid-fuel rocket; the gyroscopic control system
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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?
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The V-2
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What was the name of the first U.S. satellite?
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Explorer I
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