What Am I Riddles

Question:

Take me for a spin and I'll make you cool,
but use me when it's cool and you're a fool.

What am I?

Question: If you look at my face there won't be 13 any place.

Question: There is a couple that is always together. They go anywhere they want to go. They can't be separated. No one can touch them. They are the size of a ping pong ball. What is it?

Question: It smells like blue paint,
pours like green paint,
and it looks like a red truck.

What is it?

Question: I stand in one place yet I fill a whole room.
I can be filled with molten rock and come in every hue.

What am I?