Answer:
In your fire you hear me scream creaking and whining yet I am dead before you lay me in your hearth.
I am pinched by grandmas
I am made of wood but can't be sawed? What am I?
What force and strength cannot get through I with my unique teeth can do.
I am the thing that is used to make your weight. What am I?
Bury deep, Pile on stones, My mind will always Dig up them bones