This site is maintained by a high school biology teacher. It includes notes / study guides, interactive quizzes, online activities, and numerous science links relating to all biology topics.

This site has pre-made power points for beginning teachers covering the basic lessons taught in science.

This is a good resource for secondary education science teachers.

This is a good resource for biology teachers to collaborate and to find lesson plan material

This is a program that can be used to help create lesson plans or puzzles to use the the classroom.

forgot to add the link and don't know how to edit it: http://school.discoveryeducation.com/teachingtools/teachingtools.html