Fun Riddles

Question: I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter.

What am I?

Question: I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes. What am I?

Question: At night they come without being fetched, and by day they are lost without being stolen.

What are they?

Question: Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not.

What is it?

Question: I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me; lower light I never see.

What am I?