Riddles

Here are riddles. The answers are on a different page. Enjoy. :)

1. What does HIJKLMNO stand for?
2. There is a ball stuck in a vase and your hand is to small to get it. Without touching the vase, how do you get the ball out?
3. Look at the picture below. How can you make a square while only moving 1 stick? 

4. What gets wetter the more it dries? 
5. An owner of a house was killed on a beautiful Sunday morning. There were 4 different suspects. The maid, the children, the chef, or the mother. The maid said she was doing the dishes. The children said they were playing with fire. The chef said he was getting the mail. The mother said she was watching television. Who killed him?