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Science flash cards.
Terms in this set (25)
Isaac Newtons third law of motion.
For every action there is an equal and opposite reaction.
The forward movement of a rocket.
The rearward blast of exploding gasses.
How did Greeks and romans use reaction engions
To move toys
How did the Chinese use reaction engions
Weapons of war
Konstantin Tsiolkovsky Main contributions to rocketry
Worked out mathematical forms for space flight, and propose idea for multistage rockets.
Velocity a rocket much achieve to fly beyond a planets gravitational pull.
What is earths escape velocity
The velocity a rocket must achieve to establish an orbit around a planet.
2 problems with solid fuel
Burn too rapidly, explosively, and don't provide continues thrust.
Who experimented musing liquid fuels
What were liquid fuels originally
Gasoline and liquid oxygen.
What are liquid fuels currently
Liquid Hydrogen and liquid oxygen
What was the space race
A rivalry between America and the Soviet Union over the exploration of space.
What is a satellite
An object that revolves around another object in space.
What is an artifishal satellite
A man made satellite
First artifishal satellite in space. 1957
First American satellite in space. 1958
Who was the first man in space
Youri Gagarin 1961
Who was the first US astronaut in space
Allen Shepard 1961
First US astronaut to orbit earth
John Glen 1962
Number of astronauts in each Mercury flight
Mercury program goal
Orbit maned space craft around earth
Carried First astronaut in space
John Glen's space craft
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