A group of people working together.
Crew
A special form of jet-propulsion device.
Rocket
A machine that changes energy into mechanical motion.
Engine
A material used to produce heat or power by burning.
Fuel
An invisible force that pulls objects toward each other.
Gravity
To release.
Launch
To come down.
Land
A regular, repeating path that one object in space takes around another one.
Orbit
The _____ are people who work in a rocket.
Crew
The space station launched the _____ at noon.
rocket
Vehicles like cars or trains need a _____ to move.
engine
A rocket need millions of litres of _____ to launch into space.
fuel
When there isn't any _____, things don't fall on the ground.
gravity
The rocket need to be very powerful to _____ into space.
launch
In 1969, astronauts _____ on the moon for the first time.
landed
The space station _____ the Earth every 90 minutes.
orbits
