Answer:
The day is their night and the night is their day, when I shout and they shout back I run away.
Brings the sky a lot closer.
This type of corn swells up and bursts into a crisp puff when heated.
What hatches without food?
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.