Kids Riddles

Question: I am a nice word composed of five letters, but the Romans would call me a numbers.

What am I?

Question: Every time you lose something, you always find it in the very last place you would look.

Why is this?

Question: Why would a hair stylist rather cut the hair of two brunettes than one red head?

Question: I can go up a chimney down but not down a chimney up?

What am I?

Question: The shorter I am, the bigger I am.

What am I?