| A | B |
| Rocket | A device that expels gas in one direction to move in the opposite direction. |
| Thrust | The reaction force that propels a rocket forward. |
| Velocity | Speed in a given direction. |
| Satellite | An object that revolves around another object in space. |
| Space Shuttle | A spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose. |
| Rover | A small robotic space probe that can move about the surface of a planet or moon. |
| Space Station | A large artificial satellite on which people can live and work for long periods |
| BONUS WORD: Space Probe | An unmanned spacecraft |