How long does it take to make popcorn with full popcorn machine

How long does it take to make popcorn with full popcorn machine?Your popcorn machine will take about 5-7 minutes to heat up the kettle to be ready to pop.  Simply add the contents of a portion pack and you'll have popcorn in about 4-5 minutes.

What causes the popcorn kernels to burst?

There is a small amount of water in each kernel of corn. When moisture is heated and turned into steam, the pressure of steam expansion causes each core to expand and explode. A popcorn kernel turned over, revealing the tender flesh inside.