Best short riddles for teens

You have to look at me to say what I show you. I offer two different purposes but I am spelled the same and I am pronounced the same.

What came first, the chicken or the egg?

What did the paper clip say to the magnet?

Give me food, and I will live. Give me water, and I will die. What am I?

Why was Karl Marx buried at Highgate Cemetery in London?

I have just one, but with eight to spare, I am usually friendly, but I sometimes act like I don't care. What am I?

I build bridges of silver and crowns of gold. Who am I?

Every night I'm told what to do, and each morning I do what i'm told. But I still don't escape your scold.

If you had one match and entered a room in which there were a kerosene lamp, an oil burner, and a wood burning stove, which would you light first?

I live in the ocean. I have eight legs, two big claws and a tail. My body has a hard shell. I eat anything I can find. I am a...