GUESSING GAME

I used to change from a liquid to a vapor or gas state. What I am?

I used to separate a dry mixture which contains substances of different sizes by passing it through a sieve, what I am?

I separate pebbles from rice, what I am?

I separate the lighten components from the heavier ones because of wind or air blow, what I am?

I separate solid substances from a liquid through the use of a filter paper or any cloths that can be used as a filtering medium, what I am?