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.

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

Resources are sorted by category 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.

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

Includes a variety of physics topics.

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

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

A collection of simple science experiments exploring neuroscience, plus science fair ideas and other activities.

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.

Information for teachers and students on renewable energy: solar power, wind energy, water power and biomass energy. Areas have background information, lesson plans, project plans, posters and relevant links.

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