Answer:

1.I can Walk.

I'm floating.

2.My drink rest at the bottom of my glass.

Hovering near the top of my glass.

3.A glass that I drop fall to the floor.

It would float.

4.I can breath.

I won't be able to breathe. There is no source of air. ( Without gravity, the air in the atmosphere has no reason to hang around, and it would immediately leap into space)

5.I have weight.

I will become weightless.