Answer:
What word has kst in the middle, in the beginning, and at the end?
I fly when I'm on and float coming off.
I'm a kind of cup that doesn't hold water, but makes a lot of noise repeatedly. What am I?
I am seen in the water. If seen in the sky I am in the rainbow a jay's feather and lapis lazuli.
What has one eye but cannot see?
Give it food and it will live, give it water and it will die.