In this barn owl worksheet, students read four paragraphs of information about barn owls, and study a photograph. There are no questions here.

Concept animation compares molecular movement of solids, liquids, and gases.

Part of a larger site on sight and the function of the eyeball, this section seeks to answer the question, can animals see color? The discussion centers around the use of cones in the area of sight.

This resource presents a complete fact sheet on bald eagles that includes a look at why bald eagles are "bald," what bald eagles eat, how their vision works, their courtship and mating behavior, their nesting and reproductive behaviors,...

A four-lesson tutorial on the reflection and the ray model of light. These complete tutorials include informational text, interactive activities, animations, and quick, interactive comprehension questions.

One-page profile of influential innovator, Walt Disney, a cartoonist whose vision and ideas created an entertainment empire that includes Disneyland and animated movies.

This website, from the University of Edinburgh, provides a lengthy glossary of computer graphics terms written by Olin Lathrop, author of "The Way Computer Graphics Work". This site provides simple definitions of basic terms; no graphics...

Facts about the many ways animals communicate. Included is information about scent, sound, sight, and touch.