Space Exploration|Complete Questions with A+
Graded Answers
rocket
a device that expels gas in one direction to move in the opposite direction
K. Tsiolkovsky
Russian physicist who created the theory of how rockets could work in the early 1900s
Robert Goddard
American physicist who was the first to build and test rockets from 1915 to 1941.
Werner Von Braun
German rocket scientist who developed the V2 rocket for the German army, surrendered to Allies at
the end of WWII, and influenced the development of rocket technology in America
Newton's Third Law
for every force or action, there is an equal and opposite force or reaction
thrust
the reaction force that propels a rocket forward
velocity
Speed in a given direction
orbital velocity
the velocity a rocket must achieve to establish an orbit around a body in space
escape velocity
The velocity an object must reach to fly beyond a planet's or moon's gravitational pull.
multistage rocket
a rocket made in parts so that the parts can come off the rocket as they are no longer needed
Saturn V
multistage rocket that was used in the 1960s to send astronauts to the moon
space race
A competition of space exploration between the United States and Soviet Union.
Sputnik 1
the first artificial satellite to orbit the earth
Graded Answers
rocket
a device that expels gas in one direction to move in the opposite direction
K. Tsiolkovsky
Russian physicist who created the theory of how rockets could work in the early 1900s
Robert Goddard
American physicist who was the first to build and test rockets from 1915 to 1941.
Werner Von Braun
German rocket scientist who developed the V2 rocket for the German army, surrendered to Allies at
the end of WWII, and influenced the development of rocket technology in America
Newton's Third Law
for every force or action, there is an equal and opposite force or reaction
thrust
the reaction force that propels a rocket forward
velocity
Speed in a given direction
orbital velocity
the velocity a rocket must achieve to establish an orbit around a body in space
escape velocity
The velocity an object must reach to fly beyond a planet's or moon's gravitational pull.
multistage rocket
a rocket made in parts so that the parts can come off the rocket as they are no longer needed
Saturn V
multistage rocket that was used in the 1960s to send astronauts to the moon
space race
A competition of space exploration between the United States and Soviet Union.
Sputnik 1
the first artificial satellite to orbit the earth
