Answer:
The more you add the less it weighs. What is it?
It's red liquid but not liquid and it's not red. What is it?
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
I am always in front of you, but you will never see me. What am I?
I'm an animal. I love marching. I always wear a tuxedo. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?