Answer:
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
By Moon or by Sun, I shall be found. Yet, if there's no light around, I am undone. What am I?
You do not want me when you donβt have me but when you have me you don't want to lose me.
What has a face and two hands but no arms or legs?
What made Cyclops quit teaching?