Lessons and More
BioEd Online offers high-quality lessons, teacher guides, slides, videos, and supplemental materials that can be downloaded for use in your classroom. Materials are sorted by format, topic, and grade level, making it easy locate content that is appropriate for your students. All lessons are aligned with national standards and were developed by scientists and educators at Baylor College of Medicine.
What is a Cell?
Students prepare slides containing onion skin and Elodea leaves to examine under a microscope, learning that all organisms are composed of cells.This activity is from The Science of Microbes Teacher's Guide, and is most appropriate for use with students in grades 6–8.