Good site to check out for math help on almost any topic (for students and parents). www.mathisfun.com
Introductory to advanced videos and lessons on virtually any subject. www.khanacademy.org
Features brief biographies and numerous photographs of women scientists and engineers and scientists and engineers of color; also Nobel laureates in chemistry; etc. http://www.jce.divched.org/JCEWWW/Features/eChemists/index.php