Energy is something that can do work or change
First, heat energy cooks things and warms things up. Fniction is when you rub two things to gether and it creates heat.You can rub you hands together to create friction to warm then up when they are cold
It can bouncse off of things like a wall. it is a line It can go in to windows but you can not see that line,it is call a ray.
you are human and you can jump run and move there are so many things to do whith your body. now you know about motion energy i thike you are happy about energy.