How well do you know bird songs. Utilizes CLEO databases and bulletin board. Free for teachers to author their own projects. The Whole Truth - amazing site on the truth about smoking and the tobacco comapnies. Software Downloads Voice Oscilloscope Download a voice oscilloscope for your classroom activities, maybe physics or physical science.
Students can observe the frequency and amplitude of their own voices, and print their voiceprint.
The program is very flexible and easy to use. For Macintosh only. An online tool for drawing chemical structures. Download this applet and insert in your webpage and site. Pictures, journals, glossary, content.