When it's just not possible to take students out to explore the natural world, bring the natural world to the classroom. Clearly organized and easy to use, this helpful guide contains more than 50 science lessons in six units: Greening the School, Insects, Plants, Rocks and Soils, Water, and In the Sky. All lessons include objectives, materials lists, procedures, reproducible data sheets, ideas for adapting to different grade levels, discussion questions, and next steps.