What has to be broken before you can use it?

I don't get anymore wetter, no matter how much rain falls on me.

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

O_er_t_o_

Complete the missing letters of the given word.