Students investigate the electromagnetic spectrum, focusing on visible light. They are introduced to the idea that all light travels as waves, and that wavelength defines the various regions of the electromagnetic spectrum.

Learners determine the difference between a geocentric universe and a heliocentric universe.

Students explore the scientific revolution. In this scientific revolution lesson plan, students complete activities regarding Ptolemy, Copernicus, and the Church.

High schoolers determine their eye's blind spot. In this biology activity, students explain what causes this visual deficiency. They give real life applications of this concept.

For this letter o words worksheet, students match the letter o words to their definitions. Students complete 10 matches for letter o words to definitions.

Learners develop an awareness of the evolution of the scientific method. They facilitate the student's knowledge of looking at variables from different perspectives. Students develop their abilities to defend their ideas with facts or...

Wow! A great page full of different experiments to illustrate the phenomena of optical illusions, and then it explains what is happening!

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

[Free Registration/Login Required] Are your eyes playing tricks on you? This site contains parallel and skew lines that creates an optical illusion.

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.

What you see and what you think you see are different things. Find out what your brain doing behind-the-scenes!

[Free Registration/Login Required] Interactive explores the concept of optical illusion.

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...

Try these great optical illusions yourself, and read the explanation of how your brain fools your eyes. You will need Shockwave to run these properly.

This tutorial looks at the anatomy of the eye and how the sense of sight works. This is the first part of a learning module. Subsequent sections cover how images are formed and detected, the concept of accommodation where the eye adjusts...

Definitions of many technical and anatomical terms related to vision and the eye.

A brief informative site on optical illusions. Includes some beautiful examples of optical illusions such as spinning disks, color wheels, and Moire Pattern Generators.

Experiments and activities for investigating the science of light, as well as in-depth explanations of some of the light principles.

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...

A webpage on optical illusions, containing a grid of black squares, an elephant with four or five legs, and a picture with three faces in it.

Many articles with consumer information about lenses, eyewear, eye problems, and unique eye conditions. Vast content and many links to off-site information.

An experiment using a water lens that demonstrates how the eye sees an image. Accompanied by an explanation of what's happening, and a link to an article on refraction.

Wow! A great page full of different experiments to illustrate the phenomena of optical illusions...and then it explains what is happening!

A large collection of visual illusions and anomalous motion illusions. The latter can potentially make a person feel dizzy and should be viewed or shared with caution.