Answer:
David's father has three sons: Snap Crackle and ?
When you stop and look, you can always see me. If you try to touch, you cannot feel me. I cannot move, but as you near me, I will move away from you. What am I?
I am a table you can eat. What am I?
I always have to work with something in my eye. What am I?
Six letters it contains. Take away the last and only twelve remains. What is the word?
Give it food and it will live, give it water and it will die.