NASA for high school students http://www.nasa.gov/audience/forstudents/9-12/features/index.html
National Geographic http://www.nationalgeographic.com
Teachers domain-A physical science website for students. http://www.teachersdomain.com
Online textbook-Physical Science Concepts in Action You need to use the access code given on the directions sheet http://www.phsuccessnet.com
Sci Links The first time you use this site you must register. Use your name and password that you use at school or for your text book. http://www.scilinks.org
Science Saturdays Free lectures at Yale http://www.sciencesaturdays.org