Chemistry & Biology Crosswords
- A collection of crossword puzzles for high school level students.
- http://users.rcn.com/fvirzi/x-word-home.htm

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

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

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/

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/

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

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

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/

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/

Columbia Education Center: 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

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

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

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

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