October will be a busy month with opportunities to participate in National Earth Science Week, October 11-17 and National Chemistry Week, October 18-24. Both weeks consist of national and local events, speakers, activities for the classroom, and additional materials for the educator. Earth Science Week is sponsored by the American Geological Institute. This year’s earth science theme will be “Understanding Climate”. Chemistry Week is sponsored by the American Chemical Society with the theme, “Chemistry—It’s Elemental!”