2006 11th Grade Science TAKS Practice Test. http://www.tea.state.tx.us/student.assessment/resources/online/2006/grade11/science/11science.htm
Virtual Thin Lens Simulation http://www.phy.ntnu.edu.tw/java/Lens/lens_e.html
A View from the Back of the Envelope About approximation and the fun it enables. Includes examples, exercises, and links to help grasp concepts such as measurement, scale and magnitude. A View from the Back of the Envelope
NASA for high school students http://www.nasa.gov/audience/forstudents/9-12/features/index.html
Texas A&M College of Science http://www.science.tamu.edu/
ASTOP - Austin Society to Oppose Pseudoscience https://webspace.utexas.edu/cokerwr/www/index.html/distinguish.htm
National Geographic http://www.nationalgeographic.com
Mr. Freeman Quia Homepage http://www.quia.com/pages/bradfreemanphysics.html
AP Central - Welcome to AP Central http://apcentral.collegeboard.com
StarDate Online http://stardate.org/
Texas State Energy Conservation Office http://www.seco.cpa.state.tx.us/
Momentum collision simulator for "One-Dimensional Collisions" lab. http://www.walter-fendt.de/ph11e/collision.htm
Physics Classroom http://www.physicsclassroom.com/
Physics applets http://www.myphysicslab.com
Winplot http://math.exeter.edu/rparris/winplot.html
Dr Hoselton's Physics Pages (see Solving a System of Equations using Matrix Arithmetic) http://faculty.trinityvalleyschool.org/hoseltom/TVSindexOLD.html