What Am I Riddles

Question: I have no eyes, ears, tongue, or nose.
Yet I see, hear, taste, and smell everything.

What am I?

Question: I'm a measurement of time.
But you'll find me on a map, not a clock.

What am I?

Question: I join you in battle, fist clenched tight.
We pound three times with all our might.
If my rival decides he will sign for peace;
I'll crush him, and the fight will cease.
But if he lays his hand down flat;
I'll suffer defeat, that is that.

What am I?

Question: My food and drink were left behind
by ancients from another time.
I grind my feet upon the earth
with strength come from a metal hearth.
My mind is trapped when I run free
when still, it wanders far from me.

What am I?

Question: These are the three lives of mine:
So gentle I soothe the skin,
So light I caress the sky,
So hard I crack rocks.

What am I?