Answer:
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
I start with T end with T and within me is T.
I go around and in the house but never touches the house
What is always in front of you but can't be seen?
I am the beginning of the end and the end of time and space. I am essential to creation and I surround every place.
Give it food and it will live, give it water and it will die.