An in-depth discussion on reflection of light can be found here. Among the topics discussed include are the difference between specular and diffuse reflection, concave and convex mirrors, facets, total internal reflection, and much more. Also provided are some interactive Java tutorials on reflection of light.

This site discusses primary lighting sources and gives information on the different properties and spectral characteristics of each. Also includes links to some interactive Java applets.

Find stories, novels, and poems from more than one hundred authors. Download select works as MP3 files or read or listen to them online. Available selections span a wide range of literature, from nursery rhymes to the philosophy of Aristotle, and a variety of teaching support materials, such as graphic organizers, are included for a limited number of titles.

This resource presents the text of one of Aristotle's "Physics can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.

The text of a memoir of life at Fort Jefferson in the Dry Tortugas during the Civil War.The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.

This resource presents the text of Richard Barnum's children's story, "Squinty, the Comical Pig." The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.

At this resource, a brief biographical comment about Beatrix Potter is followed by the texts of 19 of her popular children's stories, including "The Tale of Peter Rabbit," "The Tale of Squirrel Nutkin," and "The Tale of Jemima Puddle-Duck." The texts can be read online or downloaded as individual stories in MP3 format. In addition, each story has downloadable support material which focuses on various reading skills and strategies.

This resource presents the text of Patrick Henry's famous "Give me liberty or give me death" speech, which was delivered in March of 1775. The text can be read online or downloaded in MP3 or PDF format.

The text of "Obras de Gustavo Adolfo Bequer - Tomo Primero," in Spanish. The text can be read online or downloaded by individual chapters in MP3 or PDF format.

The text of Charlotte Bronte's first novel, "The Professor." The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.

The complete text of "Great Expectations," by Charles Dickens. The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.

The complete text of Charlotte Bronte's novel "Jane Eyre" can be read online or downloaded by individual chapters in MP3 format. Teaching support material also available.

Texts of more than 20 poems by Emily Bronte. The poems can be read online or downloaded individually in MP3 or PDF format. In addition, each poem has downloadable support material which focuses on various reading skills and strategies.

This text is the eulogy for mathematician, Leonhard Euler, delivered by his son-in-las, Nikolaus von Fuss.The text can be read online or downloaded in MP3 or PDF format. In addition, the text is accompanied by downloadable support material which focuses on various reading skills and strategies.

This resource presents the text of the popular children's book, "The Secret Garden." The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.

The texts of three classic fairy tales, as told by Joseph Jacobs. They are: "Jack, the Giant Killer," "The Cat and the Mouse," and "Fire! Fire! Burn Stick!" The text can be read online or downloaded by individual stories in MP3 or PDF format. In addition, each story has downloadable support material which focuses on various reading skills and strategies.

The text of a Pawnee folk tale, as written by George Bird Grinnell, who was an ornithologist who also had a deep interest in Native American culture. The text can be read online or downloaded in MP3 or PDF format. In addition, the story has downloadable support material which focuses on various reading skills and strategies.

This resource offers the complete texts of four of Andersen's best-known fairy tales: The Emperor's New Clothes," "The Ugly Duckling," "Thumbelina," and "The Swineherd." The texts can be read online or downloaded in MP3 format. In addition, each story has downloadable support material which focuses on various reading skills and strategies.

Short selections from W. W. Rouse Ball's "A Short Account of the History of Mathematics," most of which are biographies that focus on the mathematician's work. The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support materials which focuses on various reading skills and strategies, and math concepts.

The text of one of Cooper's lesser known novels, "Jack Tier; or, The Florida Reef." The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter has downloadable support material which focuses on various reading skills and strategies.