Answer:
I help engines spin and pants stay up. What am I?
What goes up and down stairs without moving?
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
Break me and I am better, immediately set and harder to be broken again. What am I?
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
What is the middle of water but is not an island?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic