Power/On

Question: People pick me, and watch me until they give me power. Then they don't stare in my eyes. What am I?

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?

Question: What asks but never answers?

Question: I have 6 faces and 21 eyes, but can't see a thing. What am I?

Question: Tear one off and scratch my head. What once was red is black instead. What am I?