Answer:
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
I am made of wood but can't be sawed? What am I?
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
Every night I'm told what to do, and each morning I do what I'm told. But I still don't escape your scold. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk