Neuroscience for Kids  
   Experiments and activities as well as teacher lesson plans about the nervous system and brain.
   http://faculty.washington.edu/chudler/experi.html

NASA/MSU-Bozeman CERES Project  
   Classroom-ready astronomy activities and lessons for levels K-12. Created by a team of master teachers, university faculty, and NASA researchers.
   http://btc.montana.edu/ceres/html/EdActivities.html

Lesson Plans Page  
   Contains science lesson plans, ideas, thematic units and lab activities for all ages and all branches of science. Sorted by grade level.
   http://www.lessonplanspage.com/Science.htm

Reach Out! Math-Science  
   K-12 science lessons by subject, grade, and alphabetical title.
   http://www.reachoutmichigan.org/funexperiments/agesubject/subject.html

Awesome Library  
   Provides carefully reviewed K-12 education resources and lesson plans covering astronomy, biology, botany, ecology, earth sciences, problem solving, and general science topics.
   http://www.awesomelibrary.org/scienceg.html

Science Lesson Plans  
   Separated into 3 age levels: Elementary (K-5), Intermediate (6-8), High School (9-12). Over 200 lessons, all in text file format.
   http://www.col-ed.org/cur/science.html

MiddleSchoolScience.com  
   A teacher created site included lesson plans and ideas for middle school level chemistry, physics, life science and earth science.
   http://www.middleschoolscience.com/

Light and Energy Learning Unit  
   From GE Lighting, this free online curriculum teaches students about saving energy
   http://www.gelighting.com/na/home/gela/gelaform.html

Middle School Science Teaching Aids  
   Experiments, web quests, and worksheets. Access granted only after paying a fee.
   http://inetbiz2.tripod.com/middleschoolscienceteachingaids/

Re-Energy.ca: A Renewable Energy Education Kit  
   Download lesson plans and construction plans for working models of solar ovens, wind turbines and water wheels.
   http://www.re-energy.ca/

Practical Uses of Math and Science  
   An on-line journal of one-page examples of Math and Science being used in everyday life. Examples are written primarily by scientists and engineers, and are available to teachers, students, and other interested parties. Motivation for interest in these
   http://pumas.jpl.nasa.gov

Ian Reed's Science Wizards  
   Ideas for demonstrations and experiments for use in science classes geared to all ages/abilities. Photographs of demonstrations/experiments included.
   http://sci_wiz.tripod.com

Junkyard Wars in the Classroom  
   Projects, puzzles, games, and challenge activities using junk in the classroom.
   http://school.discovery.com/networks/junkyardwars/

Science and Technology Concepts for Middle Schools  
   An inquiry-based middle school science curriculum developed by the National Science Resources Center. This student/teacher site supplements the STC/MS curriculum and can be used as a research guide for students.
   http://www.stcms.si.edu/stcms.htm

MAST Materials Science and Technology Teachers Workshop  
   Lesson plans for teaching materials for science in elementary through high school.
   http://matse1.mse.uiuc.edu/~tw/

NIH Curriculum Supplemements  
   Free, interactive teaching units that combine scientific research discoveries from the U.S. Department of Health and Human Services, and National Institutes of Health, with instructional materials.
   http://science.education.nih.gov/supplements/

Classroom Activities and Lesson Plans  
   Earth, space, life and physical science lessons prepared by practicing teachers participating in National Teachers Enhancement Network (NTEN) online courses.
   http://www.scienceteacher.org/k12resources/activities.htm

Frank Potter's Science Gems  
   Science resources sorted by category, subcategory, and grade level.
   http://www.sciencegems.com/