Identify 2 physical properties and 2 chemical properties of a bag of popcorn before poppinig and after?

Question

Please help me.

Answer 1

physical before:
hard coat around popcorn kernel
color is tan/brown
hard core with embryonic seed

chemical before:
corn statch with high concentration of water

physical after:
lighter, fluffy texture
coating has ruptured

chemical after:
low moisture content
oil has caused fluffy corn starch to change color