This 7:18 video features NASA scientists who study the history of winter to learn about phase changes and the unique properties of water. It discusses why ice floats and why this is important to life on Earth, as well as what pressure and temperature have to do with making snowballs. It shows a phase diagram as well as a demonstration that relates pressure to phase changes.
Earth and Space Science
MULTIMEDIA MODULE
Ninth grade, Tenth grade, Eleventh grade, Twelfth grade