Mechanisms of Evolution
Darwin's Theory of Evolution by Natural Selection
The Role of Inheritance
The Role of DNA and Genetic Mutations
DNA molecule, side view and end view
, a very readable introduction to evolution with interesting examples and principles explained. Useful material for teachers. From the University of California Museum of Paleontology.
AAAS - Evolution on the Front Lines
. Resources for teachers and journalists, from the largest association of American scientists.
Evolution Resources From the National Academies
. The National Academies are America's official, highly respected, bodies of eminent scientists, engineers, and doctors.
SETI "Voyages Thru Time"
A standards based curriculum, covering 1 year of high school science with evolution as the central theme.