Answer:
I run cold and hot, I look blue but am red. What am I?
Raise your right appendage high above your head. Turn your head to the right and you will smell this.
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
Watches students at the prom to make sure there's no funny business.
Nothing specific, but more than a few. This many clustered, together will do.
It is something you will never see again.