Answer:
I'm where yesterday follows today and tomorrow is in the middle. What am I?
What gets broken without being held?
I save lives on the ground and in the air. What am I?
I speak without a mouth and hear without ears. I have no body but I come alive with wind. What am I?
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
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