Riddles

If you throw a white rock into the red sea, what does it become?

What freezes after it is heated up?

What can you hold in your left hand but not in your right hand?

Born in the past, but only lives in the present. Sometimes false, always personal.

What is always in front of you but can’t be seen?

What can you break, even if you never pick it up or touch it?

What can’t talk but will reply when spoken to?

I follow you all the time and copy your every move, but you can’t touch me or catch me. What am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What invention lets you look right through a wall?