MEDIUM RIDDLES

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

A farmer has twenty sheep, ten pigs and ten cows.  If we call the pigs cows, how many cows will he have?

I go up when rain comes down. What am I?

George, Helen, and Steve are drinking coffee. Bert, Karen, and Dave are drinking soda. Using logic, is Elizabeth drinking coffee or soda?

Why did they let the Turkey join the thanksgiving band?

What has cities, but no houses; forests, but no trees; and water, but no fish?

When may a man's coat pocket be empty, and yet have something in it?

Can you write down eight eights so that they add up to one thousand?

I'm at the end of time and space and the beginning of the end and at the end of life. What am I?

You can see me in water, but I never get wet.

What am I?