Answer:
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
I begin your sentences. What am I?
Some try to hide some try to cheat. But time will show we always will meet. Try as you might to guess my name. I promise you'll know when you I do claim.
I go up and down at the same time. Up towards to sky and down towards the ground
I am full of holes but still hold water. What am I?
What made Cyclops quit teaching?