Answer:
Send poorly behaved children to me and let them sit here.
I go up when the rain comes down. What am I?
With three eyes and as black as night I frequently knock down ten men with a single strike!
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.