As part of a series of electronic professional development experiences for educators, the NASA Explorer Schools project and the National Science Teachers Association are hosting a 90-minute live professional development Web seminar for educators on Jan. 23, 2013, at 6:30 p.m. EST. Learn how to use the “What Are We Made Of?” hands-on activity to integrate mathematics and physical science in your classroom. Discover how students can use statistical sampling to estimate the chemical composition of the sun by analyzing data in a way similar to the one used by scientists who analyzed solar particles collected by the Genesis spacecraft.

For more information and to register online, visit http://learningcenter.nsta.org/products/symposia_seminars/NES3/webseminar23.aspx.