Answer:
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
When I live I cry, If you don't kill me I'll die.
What flies without wings?
Tall in the morning, short at noon, gone at night. But I'll be back soon.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright