NASA
Nasa: S'cool: Students' Cloud Observations on Line
S'COOL is a NASA citizen science project where school children gather ground truth measurements that assist in verifying and improving the accuracy of the CERES (Clouds and the Earth's Radiant Energy System) satellite instrument...
Yad Vashem, The World Holocaust Remembrance Center
Yad Vashem: Mutual Assistance Within the Ghetto Walls
In order to make it through the dark days in the Warsaw Ghetto, Jews leaned on each other for support and guidance. Using the Warsaw Ghetto as an example, this lesson plan will highlight those who put their lives on the line to help...
PBS
Pbs Teachers: Scientific American: On the Ball: Video Umpires
Investigate innovations that assist baseball umpires in making calls. Examine the accuracy of a "line call" when compared to a taped record of a ball's exact impact location.
Other
Antonio Gutierrez: Geometry From the Land of the Incas
Discovering the properties of constructions, seeing proofs in action, and viewing problems come to life here with this wonderful use of technology in the classroom. Single steps are explained and illustrated one at a time so that the...
Simon Fraser University
Chem1 Virtual Textbook: Spectra and Interaction of Light and Matter
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses continuous spectra and line spectra using examples and charts to assist in the understanding.