Kids Riddles

Question: What kind of room has no doors or windows?

Question: A natural state, I'm sought by all.
Go without me, and you shall fall.
You do me when you spend,
and use me when you eat to no end.

What am I?

Question: I only point in one direction,
but I guide people around the world.

What am I?

Question: Paul is 20 years old in 1980, but only 15 years old in 1985.How is this possible?

Question: I open to close but I close to open.
I'm surrounded by water but I'm never soaking.

What am I?