Answer:
I am used when you jump off a bridge for fun.
I am a mini solar powered computer
I am long and slim works in light. Has but one eye and an awful bite.
What body part is pronounced as one letter, but written with three, only two different letters are used?
I fill a room but take no space. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?