Jurman+Leveston-+How+does+a+Solid+change+to+a+Gas.+How+does+a+Gas+change+to+a+Solid

= How does a gas change to a solid = =Sublimation=

===Sublimation is basically when a solid melts and and the liquid evaporates and changes into a gas, for example when dry ice sublimates, it turns into carbon dioxide. A better example is when ice melts and changes into water and the water vaporizes. The reverse process of sublimation is deposition which is how a gas changes into a solid.===

=How does a solid change into a gas= =Deposition= ===Basically Deposition is when a gas freezes and turns into a liquid an example is when water vapor is exposed to sub-freezing air and it freezes into water. Deposition explains how snow forms inside clouds.===

=Phase Transitioning=

A solid changing to a gas or a gas changing to a solid is something called a phase transition. A phase transition occurs when a element is under the effects of temperature or pressure.
=Cited Sources=

"Sublimation." //Sublimation(phase transitioning)- Wikipedia, the free encyclopedia//. N.p., n.d. Web. 15 Feb. 2010. .

"Phase Transitioning." Phase transitioning-Wikipedia, the free encyclopedia. N.p., n.d. Web. 15 Feb. 2010. 

"Deposition(physics)." Deposition(physics)- Wikipedia, the free encyclopedia. N.p., n.d. Web. 15 Feb. 2010. 

"Phase Change." Phase Change- Wikipedia, the free encyclopedia. N.p., n.d. Web. 15 Feb. 2010. 