June 7, 2006 -- From Phillip, a teacher, from Singapore, who is not affiliated with the site.
Contains in-depth and comprehensive flash animation of 30+ minutes duration each on physcis, chemistry, bio – virus, photosynthsis, neuronal transmission, blood, bird flu virus, wire, wood and wood burning, alcohol, cement, coffee, cotton, matter, CD, Rubber, hair, solid, liquid and gas etc
August 27, 2003 -- From Kenneth Barbalace, a reader from Portland ME, who is affiliated with the site
This periodic table of elements provides comprehensive data on elements including scores of properties, element names in many languages and most known nuclides. Throughout the site technical terms are linked to their definitions.
March 12, 2000 -- From Stephen F. Gagnon, a reader from Newport News, Virginia who is affiliated with the site
How well do you know the elements? Quiz yourself with this online matching game! The computer will give you a list of chemical symbols and a list of chemical names. Choose the chemical name that each chemical symbol represents. There are four levels of difficulty to choose from.
January 4, 2000 -- From Stephen F. Gagnon, a reader from Newport News, Virginia who is affiliated with the site
Element Flashcards is an on-line quiz that presents the user with a random element that is missing either it’s chemical name or symbol. The quiz can be customized to ask for just chemical names or just chemical symbols. The quiz can also be limited to the naturally occurring elements. Answers are recorded and can be reviewed at any time during the quiz.
October 28, 1999 -- From Stephen F. Gagnon, a reader from Newport News, Virginia who is affiliated with the site
All About Atoms is a very basic overview of atomic structure. Students can click on particles to learn more about them and even discover some fun facts about atoms!