Short medium what am I riddles for teens

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

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...

I eat, I live. I breathe, I live. I drink, I die. What am I?

Born of water, I drown in water. A blood-thirsty beast you can barely see. What am I?

A mirror for the famous, but informative to all. I'll show you the world, but it may be a bit small. What am I?

I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?

This is as light as a feather, yet no man can hold it for long. What am I?

I’m the end of the colourful rainbow. What am I?

I don't have wings, but I can fly. I don't have eyes, but I will cry! What am I?

To you, rude would I never be, Though I flag my tongue for all to see. What am I?