Answer:
I help engines spin and pants stay up. What am I?
By myself, I'm practically nothing. Worthless as a leader, but when I follow a group, their strength increases tenfold. What am I?
What room do ghosts avoid?
I am black within and red without With four corners round about.
I am a word. I become longer when the third letter is removed.
What never gets any wetter no matter how hard it rains?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic