NIST Reference on Constants, Units and Uncertainty
Information at the foundation of modern science and technology from the Physics Laboratory of NIST.
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Physical Sciences Resource Center
PSRC provides a collection of information and resources for physical science education. You will find a wealth of curriculum materials, demonstrations, evaluation tools and much more. Teachers can conveniently search for activities by subject, grade level and resource type.
PSIgate Physical Sciences Information Gateway
PSIgate provides free access to high quality Internet resources for students, researchers and practitioners in the physical sciences, specifically in: astronomy, chemistry, earth sciences, physics and science history and policy.
Re–Living the Wright Way
This NASA site provides a wealth of information about the Wright brothers, their discoveries and invention process as well as lesson plans, activities and other links about flight.
The Physics Classroom
This student-friendly site is a tutorial to help high school students learn basic physics concepts. Includes quizzes for each lesson to assess mastery of the material.
The Whys Guy
Great physics video clips on a wide range of topics.