Eisenhower National Clearinghouse (ENC) 
                      http://www.goenc.com
                      Lesson plans and activities for many science topics including 
                    process skills for grades K-12.
                    The Flying Turtle  
                      http://www.flyingturtle.org/
Illustrated site celebrates and explains the basic scientific principles that  govern both nature and human technology. Includes lesson plans.
                    Mid-continent Research for Education and Learning (McREL)
                      http://www.mcrel.org/lesson-plans/science/index.asp
                    Links to sites that contain lesson plans for grades K-12.                    
                    National Science Teachers Association
                      http://www2.nsta.org/sciencesites/
                      Links to sites that contain lesson plans including the 
                    American Teacher that includes 200,000 plans. 
                    NIH Office of Science Education 
                      http://science-education.nih.gov/
Life science education resources and lesson plans for students, teachers, and the general  public. 
                    SCORE - Schools of California Online Resources for Education 
                      SCORE Science Lessons
                      http://scorescience.humboldt.k12.ca.us/
                      The official site of the Humboldt County of Education that 
                    contains lesson plans tied to the California Science Standards.