What am I?

I am a desire to munch. What am I?

related riddles

I push, but do not shove. I float, but don’t normally sink. I have sisters, but no brothers. What am I?

I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath. What am I?

I fly in the air without engines and I am controlled by man on the ground. What am I?