Answer:
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
The higher I climb, the hotter I engage. I cannot escape my crystal cage. What am I?
I am a seed with three letters in my name. Take away the last two and I still sound the same. What am I?
You throw me out when you use me and take me in when you are done.
Lovely and round I shine with pale light grown in the darkness a lady's delight.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.