Good Riddles

Question: What is a stick but not a stick?

Question: i am boiling hot and freezing col at the same time what am i?

Question: You want me more, you want me less. This is just how I put your control drama's to test. Wont matter if you watch me, i'll only seem to stall. It's seems just when I'm up is when you'll miss me at all.

Question: One stroke is not enough to deal damage but combined with many strokes, I am able to deal mass damage. What am I?

Question: What word begins with letter H, but add it with W and it becomes another word yet pronounced just the same?