Best riddles with simple answers

I have keys but no locks. I have a space but no room. You can enter, but can't go outside. What am I?

Who makes it, has no need of it. Who buyes it, has no use for it Who uses it can neither.

I am there when you are quiet. I am broken when you speak. Who am I?

I have lot of memories, but I own nothing. What am I?

What has four legs, but can't walk?

This is a piece of jewelry Most often worn by girls It's sometimes gold or silver And sometimes made of pearls What is it?

I hiss. I can be poisonous. I am long. I have a forked tongue. What am I?

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

What is the first thing a storm cloud puts on after a shower?

Where can you find rivers with no water, cities with no buildings and forests with no trees?