Provides carefully reviewed K-12 education resources and lesson plans covering astronomy, biology, botany, ecology, earth sciences, problem solving, and general science topics.

A collection of crossword puzzles for high school level students.

Earth, space, life and physical science lessons prepared by practicing teachers participating in National Teachers Enhancement Network (NTEN) online courses.

Science resources sorted by category, subcategory, and grade level.

Ideas for demonstrations and experiments for use in science classes geared to all ages/abilities. Photographs of demonstrations/experiments included.

Projects, puzzles, games, and challenge activities using junk in the classroom.

Contains science lesson plans, ideas, thematic units and lab activities for all ages and all branches of science. Sorted by grade level.

From GE Lighting, this free online curriculum teaches students about saving energy.

Lesson plans for teaching materials for science in elementary through high school.

Experiments, web quests, and worksheets. Access granted only after paying a fee.

A teacher created site included lesson plans and ideas for middle school level chemistry, physics, life science and earth science.

Classroom-ready astronomy activities and lessons for levels K-12. Created by a team of master teachers, university faculty, and NASA researchers.

Experiments and activities as well as teacher lesson plans about the nervous system and brain.

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.

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 subjects in pre-college education.

Download lesson plans and construction plans for working models of solar ovens, wind turbines and water wheels.

K-12 science lessons by subject, grade, and alphabetical title.

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.

Separated into 3 age levels: Elementary (K-5), Intermediate (6-8), High School (9-12). Over 200 lessons, all in text file format.