This is a site full of information about various microscopes and the objects and processes scientists study with them. Includes timelines and interactive simulations.

Discusses the importance of the microscope to scientists and the many different types and what they are used for.

A program will help students determine differences and similarities of the structure and function of compound light microscopes, dissecting microscopes, scanning electron microscopes and transmitting electron microscopes.

In this lesson, students will investigate plant cells and microscope measurement together by using Elodea plants.

Describes the structures associated with the large intestine. Gives a good illustration of the microscopic anatomy of the large intestine.

The images and videos here allow students to see on a microscopic level what happens when cells are fertilized.

Learn the ins and the outs of microscopy with this reference page. Page explains the various controls that operate a microscope. Also investigates how to make a wet mount.

An introduction to the world of the microscope. Includes information about the instrument and the subjects you can study through the microscope.

A drawing and measuring activity to give students an appreciation of magnitude in powers of ten, and of microscopes. Students draw themselves and an object life-size, and then examine smaller and smaller pieces of their picture.

View a video or a click-through a slideshow to find out how the SEM works. In addition, find an interesting gallery of magnified images captured with an SEM, links to related sites, and a teacher resource section.

Use this series of images depicting the process of mitosis in the early embryo of the fruit fly, Drosophila melanogaster to make a mitosis flipbook. In this stage of Drosophila development, nuclei divide very rapidly without cell...

How do you recognize life on another planet? What tests do scientists use to determine if something is a life form when they are many light years away from being able to observe it directly? Try your hand at interactives to create a...

This is an informative site from Georgia State University. It gives a discussion of the thin lens equation and an illustration of its use in determining the image distance based upon the object distance and the focal length.

Delve into a microscopic world working with models that show how electron waves can tunnel through certain types of barriers. Learn about the novel devices and apparatuses that have been invented using this concept. Discover how...

Use a virtual scanning tunneling microscope (STM) to observe electron behavior in an atomic-scale world. Walk through the principles of this technology step-by-step.

All living things are made of cells. In the human body, these highly efficient units are protected by layer upon layer of defense against icky invaders like the cold virus. This learning module takes a journey into the cell, introducing...

Did you ever imagine that you can use light to move a microscopic plastic bead? Explore the forces on the bead or slow time to see the interaction with the laser's electric field. Use the optical tweezers to manipulate a single strand of...

Get up to date on all things microscopic with Micscape Magazine online.

An excellent, in-depth examination of the integumentary system and its components. Includes many color microscopic images of these structures and more.

See how our DNA is tightly packed up so that six feet of this long molecule fits into the microscopic nucleus of every cell. [1:30]

A learning module that investigates a powerful tool to observe and manipulate atoms called the scanning tunneling microscope.

This Public Broadcasting Service (PBS) activity explores the controversy over whether or not there is life on Mars. Part of the Mysteries of Deep Space Program that originally aired in April 1997, the activity includes instructional...

Microscopic images, detailed information, and illustrated diagrams help explain DNA and molecular genetics in this college-level textbook.

General information about the ascaris lumbricoides, including: etiology, pathogenesis, epidemiology, general gross description, general microscopic description, and clinical correlation.