I have no idea that could i make animation with photoshop. But i think there are a lot of software or site in internet for making animation. I know one site. If u need without photoshop, i can suggest you follow that, that can make by image.
It's much easier for everyone if you just have a look for yourself when it comes to basic things like this. Teaching you all about animation is not really something you can explain in one forum post.
Just google "photoshop animation"