Question

what happen when you heat corn kernels

Answer 1

The answer to that has to do with several factors, including the shape and composition of the covering on the kernels.

Hope it will help you...

Answer 2

When the corn kernel is heated the small droplet of water which is enclosed by a hard shell called hull inside the popcorn kernel turns into steam and develops pressure inside the kernel.

When the pressure inside the hull becomes uncontrollable the kernel burst out and fluffy popcorn is formed.