GED Academy Links

Matter exists in different phases at different temperatures and pressures. From your own experience, you know that watter can exist as a gas (steam), a liquid (water), and a solid (ice) at different temperatures. Learn more about the phases of matter:

http://itl.chem.ufl.edu/2045_s00/lectures/lec_f.html

http://www.harcourtschool.com/activity/states_of_matter/

http://www.chem4kids.com/files/matter_states.html