Free Biology Lesson Plans Lesson Plans Inc. is an online warehouse of lesson plans that were created by our team at Lesson Plans Inc. or teachers all over the United States. The majority of the lessons were designed for high school science teachers, but we have many middle school, and elementary school lesson plans.
We are excited to announce the release of the EarthViewer app for iPad®. Click here for download instructions, screenshots, and related resources. What caused dinosaurs to disappear from the planet? How do species evolve? What about human beings—are we still evolving?