Answer:
What goes up and down but never moves?
The eight of us go forth not back to protect our king from a foes attack.
What kind of room doesn't have physical walls?
What has a head yet it never weeps, has a bed but never sleeps, can run but can not walks, and has a bank but not a cent to its name?
I'm a god. I'm a planet. I measure heat.
What is always coming but never arrives?