HEATKEYS

Download affordable science curriculum, science books, science labs, science projects--at three levels of difficulty per elementary grade span.

LearningA-Z.com produces online teaching materials for the elementary classroom. Printable worksheets, activities lesson plans for preschool, kindergarten, first grade, second grade, and third grade.

A complete reading program with affordable books, lesson plans, worksheets and assessments to teach leveled reading, phonics, phonemic awareness, alphabet, vocabulary, and comprehension to K-5.

The Union of Concerned Scientists is the leading science-based nonprofit working for a healthy environment and a safer world through a combination of independent scientific research and citizen action.

University of North Carolina Wilmington

ESA Science and Technology website containing mission news, status reports and multimedia archives.

Thomson Reuters is the world

The Library of Congress. The Library of Congress is the nation

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