"A quality educational site offering 5000+ FREE printable theme units, word puzzles, writing forms, book report forms,math, ideas, lessons and much more."

Includes an extensive image data base, narrated stories, lesson plans, text documents, and more. There is a subscription version, but you can see a lot without paying.

"Free lesson plans written by teachers for teachers. Like you. Classroom Resources has hundreds of original lesson plans for elementary, middle, and high school students. Borrow them as-is or use them to spark your own lesson plans."

"This collection contains more than 2000 unique lesson plans which were written and submitted by teachers from all over the United States and the world."

Although a commercial site, you might find something you like. LessonPlanz.com is searchable directory of free online lesson plans and lesson plan resources for all grades and subjects.

From the IRA and NCTE, a website full of resources and professional development tools.

Explore thousands of curriculum units in the humanities and the sciences prepared by participating teachers.

"is a teacher-created site designed to help teachers find online resources more quickly and easily. Find lesson plans, thematic units, teacher tips, discussion forums for teachers, downloadable teaching materials & eBooks, printable worksheets and blacklines, emergent reader books, themes, and more."

Lesson plans that "integrate multicultural, anti-bias, and social justice themes into their curricula."

Lesson plans across the curriculum based on Times content.

National Geographic Society Lesson plans feature videos, downloads, and more, covering social studies, geography, and science.

NASA's Education Materials Finder will help teachers locate resources that can be used in the classroom. Users may search by keywords, grade level, product type and subject. With hundreds of publications and Web sites indexed, the finder is the best way to locate NASA educational resources.

To better understand the United States at the end of the nineteenth century, this interdisciplinary lesson integrates analyzing historical primary resources with literary analysis. Students work in groups and express themselves creatively through a multi-media epic poem.

Hundreds K-12 history lesson plans.

Divided by grade level, the Center's lesson plans aim to meet their stated mission. "The principal goals of the Center's programs are to help students develop (1) an increased understanding of the institutions of American constitutional democracy and the fundamental principles and values upon which they are founded, (2) the skills necessary to participate as effective and responsible citizens, and (3) the willingness to use democratic procedures for making decisions and managing conflict."

"Curriki's mission is to provide free, high-quality curricula and education resources to teachers, students and parents around the world."

"Sorted by Education Index/Subject and lifestage, so you can find exactly what you're looking for quickly and easily... With over 45,000 manually indexed websites, you're sure to find the resource your looking for at EducationAtlas.com."

Geared to K-12 teachers.

Students explore poetry using American Life Histories: Manuscripts from the Federal Writers' Project, 1936-1940 collection of American Memory, which covers personal stories collected by the Works Progress Administration. In particular, students write "found poetry" based on the stories found in this collection.

"The Gateway is a Consortium effort to provide educators with quick and easy access to thousands of educational resources found on various federal, state, university, non-profit and commercial Internet sites. The Gateway contains a variety of educational resource types from activities and lesson plans to online projects to assessment items. "

Downloadable lesson plans and web site links to lesson plans.

Search for activity by keyword or browse by topic or theme.

"Ready-to-use materials that bring the Library’s primary sources into the classroom."

This list offers good places to begin looking for individual middle school lesson plans or materials on which to base them.

Divided into Elementary, Middle, and High School, these plans are also divided into themes.

"Smithsonian lesson plans emphasize inquiry-based learning using primary sources and museum collections. Each plan is print-friendly and provides you with all the materials you need—photographs, reproductions, handouts, activities, suggested strategies, standards information, and additional online resources. "

"For over a decade, TeAchnology has been providing free and easy to use resources for teachers dedicated to improving the education of today's generation of students. We feature 42,000+ lesson plans, 9,000 free printable worksheets, rubrics, teaching tips, worksheet makers, web quests, math worksheets, and thousands of other great teacher resources. We are the online teacher resource that is designed to help busy Kindergarten through High School teachers."

Organized by grade level, these classroom lessons "foster critical thinking on issues of the day and a positive classroom environment."

TeachersFirst's lesson plans span many grade levels and subjects. These plans were written by experienced teachers who know classroom realities. Where available, the plans include standards and/or technology options. Try these lessons as is or adapt the ideas to your curriculum or level. Don’t forget to use your free TeachersFirst membership to leave comments, sharing how the lessons worked or how you adapted them to your classroom.

"Teaching Copyright curriculum was created to help teachers present the laws surrounding digital rights in a balanced way."

"Here is a list of teacher resources that can easily be modified and incorporated into the earth science classroom."