Answer:
I am in the middle of water but am not an island.
I am always in front of you, but you will never see me. What am I?
I am whole but incomplete. I have no eyes yet I see. You can see and see right through me. My largest part is one fourth of what I once was.
I have numbers on my face but can't find 13 any place. 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?
Give it food and it will live, give it water and it will die.