Lessons and Resources from Eisenhower Clearinghouse
Links to over fifty sites that have lessons or activities for K-12.
Micro-Units for Grades 9-12 Science
Teacher and student lesson/units from the National Science Foundation.
Must use Adobe Acrobat Reader to download. (available at site)
Science Lesson Plans for K-7 (Canada)
A collection of lesson plans from the British Colombia Ministry of Education.
Organized by grade level and science content areas.
Frank Potter's Science Gems
Links to Science Sites and lessons by grade level & topic.
Kathy Schrock's Resource Guide for Teachers
A popular list of resources including science lesson plans.