Excellent database resource. This page emphasizes WebQuests and Problem-Based Learning as unit formats, but links include other forms of lessons, tutorials and projects. Included also are sites to help you build your own units as well as some examples of sources to help students do research. The units are intended as ideas and suggestions which can easily be adjusted to your specific learning ages and needs. The Daybook - This site is a teacher created searchable database of online lesson plans.
Any teacher can easily submit by filling out the online form.
The Daybook is currently featuring a selection of K-7 subjects. The database is constantly being updated to cover all K-12 subject areas. Debbie's Unit Factory - This site contains elementary level theme units for teachers and home schoolers. Edlist Home Page - includes primary, intermediate, secondary lesson plans, the six traits writing assessment, and a list of other educational links. This web page consists of over 1000 links to lesson plans and other resources of potential use to education students, teachers, and homeschoolers.