Answer:
I am seen in the water. If seen in the sky I am in the rainbow a jay's feather and lapis lazuli.
If you lose me you may cause people around you to lose me too.
I help engines spin and pants stay up. What am I?
When I get closer my tail grows longer but when I go away my tail leads the way.
Lighter than what I am made of. More of me is hidden than seen. What am I?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.