A Review of Light and the Human Eye

http://www.quia.com/pop/120932.html - a choice of answers on light and optics

http://www.quia.com/rr/150440.html - jeopardy game to test your knowledge of color and light

http://www.quia.com/rr/150449.html - jeopardy game on the human eye – challenging

http://www.quia.com/cz/74152.html - a review of the microscope, usage and parts

http://www.quia.com/jg/504945.html - a crossword, hangman, flashcard review of basic terminology