News Stories on Mixing and Matter
Periodic Table’s Design Gets an Elemental Challenge (USA Today)
Teachers hope an ecologist’s new design for the periodic table will inspire young scientists, but some educators are questioning its usefulness.
http://www.usatoday.com/printedition/life/20050726/d_elements26.art.htm
Teachers Get Lessons on Hazardous Materials (Des Moines
Register)
Educators attending a safety workshop learn the real danger in performing chemical demonstrations is improper storage and disposal of hazardous materials.
http://www.dmregister.com/apps/pbcs.dll/article?AID=/20040831/NEWS02/408310339/1004
(Editor’s Note: Although middle and high school teachers were interviewed for this article, its content could be useful to elementary educators.)
New Catalyst Produces Hydrogen From Water (Scientific American)
Scientists discover a catalyst that can produce ready quantities of hydrogen without the need for extreme cold temperatures or high pressures.
http://www.sciam.com/article.cfm?chanID=sa003&articleID=000EE96B-C0B8-1314-80B883414B7F0000