Answer:
I am a mother from a family of eight. I spin around all day despite my weight. Had a ninth sibling before founding out it was fake. What am I?
I am a cave full of bones and the house of a worm.
I am a mountain at night meadow at day
I am a lunch money thief
Born in the ocean and white as snow. When I fall back to water, I disappear without a trace. What am I?
It weighs next to nothing but no one can hold it for long. What is it?