click below
click below
Normal Size Small Size show me how
Rocket Science
Key Vocabulary and Concepts
Question | Answer |
---|---|
thrust | the force that pushes a rocket forward. |
velocity | speed in a given direction. |
satellite | object that circles another object in space. They relay phone calls and TV broadcasts, and monitor weather. |
space station | large artificial satellite on which people can live and work for long periods of time. |
space shuttle | made up of twin booster rockets, a winged orbiter which carries the crew, and an external fuel tank. Most of its parts are reusable. |
Who invented rockets? | The Chinese developed the first rockets around 1200 ad (during battles). |
How does a rocket work? | a rocket moves foward when gases shooting out the back of the rocket push it in the opposite direction. |
what are the three types of rocket fuel? | solid, liquid, and ions. |
force | push or pull that can make an object move or turn around. The bigger the force, the more movement it can make. |
Gravity | the force that makes things fall to the ground on Earth and holds the planets in their orbits (paths) around the Sun. |