Kids Riddles

Question: I build bridges of silver and crowns of gold.Who am I?

Question: What demands an answer, but asks no question?

Question: I had a bright start,
but I couldn't take the pressure.
I consume everything,
yet I don't eat anything.
What am I?

Question: You have a glass of water that looks about half full. How can you tell, only using the glass of water itself, if the glass is half full or not?

The glass is a right cylinder.

Question:

Look at my apple, keep me near.

Listen closely, I'll put worms in your ear.

What am I?