Answer:
You haven't indicated a tense, so there are a few possibilities.
Explanation:
Yo saco una foto de mis padres.
Yo saqué una foto de mis padres.
Yo sacaré una foto de mis padres.
Solid, liquid, gas ^^
For example, if you have an ice cube you have a solid piece of matter, but if you heat it up it melts and then it's liquid, and after getting hot enough it evaporates and even though you can't see it it's still there, but as a gas.
By the way, what's this have to do with Spanish?