A ________________ is a machine that uses escaping gases to move.
A __________________ is a reusable vehicle that takes off like a rocket but lands like an airplane.
National Aeronatics Space Administration
The speed and direction a rocket needs to completely break away from a planet's gravitational pull
In the _________________ chamber of a rocket fuel is under intense pressure
What two things does a rocket need to work?
Rockets work because of Newton's _____________ law
Yuri Gagarin was the first man in space and he was a cosmonaut from _________________.
What force accelerates a rocket
International Space Station or ___________________ is an orbiting platform where astronauts work on science experiments.
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