Answer:
I jump when I walk and sit when I stand. What am I?
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
If a man carried my burden, he would break his back. I am not big but leave silver in my tracks. What am I?
I stand in one place yet I fill a whole room. I can be filled with molten rock and come in every hue.
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
What gets broken without being hold?