Answer:
I give people a huge fright, but at the end I'm sweet. I normally celebrate at night, when there's less heat. What am I?
I can be driven but have no wheels. I can be sliced but still remains whole
I am lighter than air, but a hundred people cannot lift me. Careful, I am fragile. What am I?
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
I make everyone blind. You can't see me but I will always come back for you. What am I?
Give it food and it will live, give it water and it will die.