Though they be but little, they are fierce! Young biologists read about eight different species of ants, and discover how the anatomy of their heads can explain the way they live and what they eat.

Create clay whistles with your elementary or middle school young scholars. The project is outlined in great detail here, complete with step-by-step photographs, finished examples, a materials list, student handouts, and a rubric....

In this reading selection worksheet, students read a 9 page selection entitled, "Arlo's War," by Frank Brennan. There are no directions given with the reading selection.

This site provides a an excellent guide to the structure and function of the human eye. Content addresses how the eye is built, as well as how it works to translate light and shadow into sight. A diagram illustrating the various parts of...

Invertebrates are known to have compound eyes. Learn the anatomy and function of this kind of eye.

The anatomy of the eye, how it functions to allow us to see, and vision problems that can develop are described.

This government site explains the function and structure of the cornea and includes a diagram with labeled parts of the eye.

Easy to understand description of the parts of the eye and their functions. Lots of labeled illustrations. At the bottom of the page additional content includes games, quizzes, lesson plans and activities about vision.

A scale model of the human eye is shown. Information about the parts of the eye and the common defects that result from its malfunctioning.

After discussing the basics of the eye, this site explores the various functions of the eye and parts from the optic nerves to the retina. Cones, rods, and the brain are also discussed.

A detailed diagram of where the aqueous fluid comes from and what its function is.

This informative site examines the role of the key parts of the crocodile. It specifically looks at the structure and function of the teeth, feet, tail, nostrils, skin, stomach, eyes, ears, and throat.

Explains how the eyes of very diverse species have a common genetic ancestry.

The focus of this site is the anatomy of the eye. The site include diagrams and slides showing details at the light microscope and electron microscope level.

This reference gives a quick-access look at the structure and function of the iris reflex in the human eye. Includes an organized flow chart showing what happens inside the eye. Hover the mouse over terms to see their definitions.

A description of the wings and compound eyes of insects and its components; also discusses the advantages and disadvantages of having compound eyes.

York University provides a good graphic and description of the synapse and its function.

Learn how the sense organs are structured and how they function to provide you with five senses.

Are nature's complex forms evidence of "intelligent design"? In this Evolution essay, biologist Kenneth Miller explains how the processes of evolution account for complex structures such as the human eye.

Experience FES or functional electrical stimulation, through the eyes of a patient who lives it. Learn how doctors gave a paralyzed patient control over her muscles.

Learn how the eyes play tricks on us when we look at optical illusions. This resource explains many of the techniques used to challenge our visual perception.

Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.

York University provides a good site on the physiology of nerve transmission. Embedded vocabulary help is available if you need it.