The NASA JPL Education Office is sponsoring a 30-minute program streamed live online on Friday, Mar. 18 at 10 a.m. Pacific, 1pm Eastern at http://www.ustream.tv/nasajpl2 . The program will also be archived on the same web page. Greg Lyzenga, a JPL geophysicist and a Professor of Physics at Harvey Mudd College in Claremont, California will answer questions submitted by children. Teachers may submit student questions to firstname.lastname@example.org by 3pm Pacific on March 16 and should include the class name and the student’s first name.