Answer:
I help engines spin and pants stay up. What am I?
I live off of a busy street. If you want, you can stay for an hour or two. But if you don't pay rent, I'll tell on you. What am I?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
I have memories, but none of my own. Whatever's on my inside is what is shown. If I'm ever different, it's because you changed me. I feel like a decoration, here for you to arrange me. What am I?
Turns me on my backs and open up my stomach. You will be the wisest of men though at start a lummox.
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?