Answer:
Which weighs more? A pound of iron or a pound of feathers?
What kind of cup doesn't hold water?
Casper was a friendly one and Demi Moore made a clay pot with one.
Without coolant, you'll have some trouble with this.
Break it and it gets better, immediately set and harder to break again.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?