A two-day lesson plan for students to learn about the anatomy of the eye and the nature of vision. Includes a variety of supplemental resources for teachers.

Invented decades before it could be used, the first type of electric light was so brilliant it was used for lighthouses and street lamps.

A radio story describing the development of the newest technology in telescopes based on an old idea. Images of the 80-acre interferometer are shown on the site.

The blind spot in human vision is described and illustrated.

Did you know that there is a part of your eye that does not give you any visual information? In this activity learn about this part of the retina called the "blind spot".

Take a look at a diagram of the eye, know its anatomy, physiology, and virtually dissect it.

Lowell Observatory homepage describes the history and current work done at the Lowell Observatory. Contains basic information about the telescopes and the results of work done by staff scientists. It is a national landmark.

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...

Learn what black holes are and the myths that surround them.

In this activity, students determine their own eyesight and calculate what a good average eyesight value for the class would be. Students learn about technologies to enhance eyesight and how engineers play an important role in the...

In this activity, students construct their own pinhole camera to observe the behavior of light.

Students test whether the color of a material affects how much heat it absorbs. Students will place an ice cube in a box made of colored paper (one box per color; white, yellow, red and black), which they will place in the sun. The...

Learn about your computer's data storage, which includes understanding what ROM and RAM are. You may quiz yourself on page nine by taking the Test Bite.

Find out whatever you wanted to know about rainbows and how they form. Check out the section on folklore regarding rainbows too.

[Free Registration/Login may be required to access all resource tools.] The structure and function of the eye and how we see.

This webpage is a great resource for elementary teachers who are looking for activities, lessons, facts, and experiments pertaining to the eye.

Solar energy facts and information. Instructions on how to build solar devices.

This lesson plan focuses on the parts of our bodies that we use to see and how the brain actually causes changes in what we see. Specific instructions and talking points are provided along with multiple activities for the learners to...

This site from WebMD Health provides great information on multiple sclerosis, or MS, and the main symptoms of it. Also included in the topic contents are an overview, risks, treatment, prevention, surgery, and home treatment.

Resource provides great information on Measles (Rubeola). Links provide facts on symptoms, medical tests, wellness and support. This site is well organized and contains great in-depth factual information along with a picture.

This resource offers a study guide on the movements in twentieth-century art after World War II, including abstract expressionism, op art, pop art, minimalism, conceptual art, performance art, photorealism, earth art, neo-expressionism,...

Basic color theory is discussed in relaton to computer art applications. Illustrated.

Can you make the second arrow the same size as the first? You will be surprised.

In this interactive physics tutorial about refraction, students investigate the topic of the direction of bending of a light wave.