Object: a popcorn popper, some cooking oil, and some popcorn kernels

Good morning, boys and girls. Have you ever made a pot of popcorn? It's so good, isn't it? Let's see, I brought some popcorn-making stuff to church today. Here's my popcorn popper. First, I pour some oil in my popcorn popper. Then I pour in these popcorn kernels. Now I close the popper and I wait for the corn to start popping. (Pause and pretend to listen) I don't hear anything. Do you hear the popcorn in there? I wonder why…