Answer:
I am of several different kinds, but the one you pick doesn't do its job. What am I?
Glittering points that downward thrust. Sparkling spears that never rust. What am I?
I can fall off a building and live but in water I will die.
What five-letter word has six left when two letters are removed?
I direct you from outer space.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright