MEDIUM RIDDLES

Which one of Santa's reindeer is the fastest?

What did one math book say to the other math book?

I'm found in socks, scarves and mittens. I'm found in the paws of playful kittens. What am I?

Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?

I'm so fast you can't see me, though everyone else can see straight through me. I don't stop until the day you die. What am I?

Why do skeletons go on vacations alone?

I pass before the sun, yet make no shadow. What am I?

I can't be bought, but I can be stolen with a glance. I'm worthless to one, but priceless to two. What am I?

This old one runs forever, but never moves at all. He has not lungs nor throat, but still a mighty roaring call. What is it?

What do you call it when your parachute doesn't open?