Curated OER
Size and Shape
Students observe different substances under the microscope. In this space science lesson plan, students identify the different features of SEM images. They formulate a conclusion about the images of Mars meteorites.
University of California
Organic Structures:the Architecture of Life
Article discusses how objects in nature are held together through balanced forces. Scroll midway down to find info on microtubules and microfilaments. Links to excellent electron micrographs.
Other
Science Stock Photography
This site has numerous pictures of microscopic images. It also has a search engine so you can find specific objects. Images were captured with light microscopes, as well as electron microscopes.
National Health Museum
Access Excellence: Cell Organelles
This classroom activity plan has students examine electron micrographs to learn more about cellular organelles.