What is it?
The moon
This means to move slowly on water, in the air or in space
Float (v)
What is it?
The Earth
What is it?
Space station
What is it?
The Mars
Things fall to the ground on Earth because of this
gravity
Who is this?
An astronaut
You do this to shut a door with a key
lock
This is a special clothing to wear in space
The spacesuit
What is it?
Jupiter